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Home / Buyer's Guide / Brochures / 2008 Silverado / Specifications

2008 Silverado
Overview | Standard/Optional | Specifications | Exterior Colors | Interior Colors/Styles | Available Wheels

Fuel Economy
Engine EPA Estimated MPG City/Hwy.
1500 models with Vortec 4.3L V6
2WD 15/20
4x4 14/18
1500 models with Vortec 4.8L V8
2WD 14/19
4x4 14/18
1500 models with Vortec 5.3L V8
2WD 15/20
4x4 14/19
1500 models with Vortec MAX 6.0L V8
2WD 13/18
4x4 13/17
2500HD models with Vortec 6.0L V8 Not rated for fuel economy
2500HD models with Duramax Diesel 6.6L V8 Turbo Not rated for fuel economy
3500HD models with Vortec 6.0L V8 Not rated for fuel economy
3500HD models with Duramax Diesel 6.6L V8 Turbo Not rated for fuel economy
  Exterior Dimensions (inches)
Silverado 1500
Regular Cab Standard Box Regular Cab Long Box Extended Cab Short Box Extended Cab Standard Box Extended Cab Long Box Crew Cab Short Box
Wheelbase 119.0 133.0 133.9 143.5 157.5 143.5
Length 205.6 224.5 220.3 229.9
 248.8 229.9
Height
- 2WD 73.6 73.5 73.8 73.9 73.6 73.8
- 4x4 73.8 73.8 73.7 73.7 73.5 73.7
Width 79.9 79.9 79.9 79.9 79.9 79.9
Front bumper to axle 39.4 39.4 39.4 39.4 39.4 39.4
Front bumper to back of cab 116.5 116.5 141.4 141.4 141.4 148.9
Rear bumper to axle 47.2 52.1 47.2 47.2 52.1 47.2
Ground clearance (min.)
- 2WD 7.7 8.1 9.0 8.9 9.1 9.0
- 4x4 9.0 9.5 9.0 9.0 9.2 9.1
  Pickup Box Dimensions (inches)1
Standard Long Extended Cab Short Crew Cab Short
Length at floor 78.7 97.6 69.3 69.3
Width at floor 62.5 62.5 62.5 62.5
Width at top 61.9 61.9 61.9 61.9
Width between wheelhousings 50.6 50.6 50.6 50.6
Tailgate width 61.6 61.6 61.6 61.6
Inside height 21.0 21.0 21.0 21.0
Cargo volume1 (cu. ft.) 60.7 75.5 53.2 53.2
  Exterior Dimensions (inches)
Silverado 2500HD
Regular Cab Long Box Extended Cab Standard Box Extended Cab Long Box Crew Cab Standard Box Crew Cab Long Box
Wheelbase 133.0 143.5 157.5 153.0 167.0
Length 224.7 230.3
 249.2 239.9 258.7
Height
- 2WD 76.4 76.8 76.6 77.1 76.7
- 4x4 76.3 76.9 76.7 77.2 76.9
Width 79.9 79.9 79.9 79.9 79.9
Front bumper to axle 39.4 39.4 39.4 39.4 39.4
Front bumper to back of cab 116.5 141.4 141.4 150.9 150.9
Rear bumper to axle 52.1 47.2 52.1 47.2 52.1
Ground clearance (min.)
- 2WD 9.6 9.5 9.5 9.5 9.5
- 4x4 9.5 9.5 9.5 9.5 9.5
  Pickup Box Dimensions (inches)1
Standard Long
Length at floor 78.9 97.8
Width at floor 62.5 62.5
Width at top 61.6 61.6
Width between wheelhousings 50.6 50.6
Tailgate width 61.6 61.6
Inside height 21.0 21.0
Cargo volume1 (cu. ft.) 60.7 75.5
  Exterior Dimensions (inches)
Silverado 3500HD
Regular Cab Long Box Extended Cab Long Box Crew Cab Long Box
Wheelbase 133.0 157.5 167.0
Length 224.7 249.2 258.7
Height
- 2WD 76.4 76.6 76.7
- 4x4 76.3 76.7 76.9
Width 79.9 79.9 79.9
Front bumper to axle 39.4 39.4 39.4
Front bumper to back of cab 116.5 141.4 150.9
Rear bumper to axle 52.1 52.1 52.1
Ground clearance (min.)
- 2WD 9.6 9.5 9.5
- 4x4 9.5 9.5 9.5
  Pickup Box Dimensions (inches)1
Standard Long
Length at floor 78.9 97.8
Width at floor 62.5 62.5
Width at top 61.6 61.6
Width between wheelhousings 50.6 50.6
Tailgate width 61.6 61.6
Inside height 21.0 21.0
Cargo volume1 (cu. ft.) 60.7 75.5
  Interior Dimensions (inches)
Regular Cab Extended Cab Crew Cab
Front Front Rear Front Rear
Headroom 41.5 41.5 39.3 41.5 40.6
Legroom 41.3 41.3 34.3 41.3 38.7
Shoulder room 65.2 65.2 65.3 65.2 65.2
Hip room 62.5 62.5 61.9 62.5 65.5

1 Cargo and load capacity limited by weight and distribution.

  Silverado 1500
Regular Cab Standard Box Regular Cab Long Box Extended Cab Short Box Extended Cab Standard Box Extended Cab Long Box Crew Cab Short Box
Seating (standard/
optional)		 3 3 6/5 6/5 6/5 6/5
Fuel tank, approx. (gal.) 26 34 26 26 34 26
GVWR1 (lbs.)
- 2WD 6,400 6,400 6,400 7,000 6,900 7,100
- 4x4 6,400 6,800 6,800 7,200 7,000 7,300
Payload2 (lbs.)
- 2WD
 1,947
 1,806
 1,606
 1,895
 1,736
 1,965
- 4x4 1,722 1,854 1,574 1,855 1,638 1,921
Curb weight,
estimated (lbs.)
- 2WD 4,453 4,594 4,994 5,105 5,164 5,135
- 4x4 4,678 4,946 5,226 5,345 5,362 5,379
  Silverado 2500HD
Regular Cab Long Box Extended Cab Standard Box Extended Cab Long Box Crew Cab Standard Box Crew Cab Long Box
Seating (standard/
optional)		 3 6/5 6/5 6/5 6/5
Fuel tank, approx. (gal.) 34 26 34 26 34
GVWR1 (lbs.)
- 2WD 9,200 9,200 9,200 9,200 9,200
- 4x4 9,200 9,200 9,200 9,200 9,200
Payload2 (lbs.)
- 2WD
 3,892
 3,604
 3,465
 3,458 3,301
- 4x4 3,646 3,353 3,194 3,217 3,031
Curb weight,
estimated (lbs.)
- 2WD 5,308 5,596 5,735 5,742 5,899
- 4x4 5,554 5,847 6,006 5,983 6,169
  Silverado 3500HD
Regular Cab Long Box Extended Cab Long Box Crew Cab Long Box
Seating (standard/
optional)		 3 6/5 6/5
Fuel tank, approx. (gal.) 34 34 34
GVWR1 (lbs.)
- 2WD 9,7003 9,9003  /11,4004 9,9003  /11,4004
- 4x4 9,9003  /11,4004 9,9003  /11,4004 9,9003  /11,4004
Payload2 (lbs.)
- 2WD
 4,6083
 4,1283  /5,1274
 3,6213  /4,9794
- 4x4 3,6543  /5,3074 3,8803  /4,8634 3,5003  /4,7064
Curb weight,
estimated (lbs.)
- 2WD 5,0923 5,7723  /6,2734 6,2793  /6,4214
- 4x4 6,2463  /6,0934 6,0203  /6,5374 6,4003  /6,6944

1 Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, driver, passengers, cargo and optional equipment.

2 Maximum payload capacity includes weight of driver, passengers, optional equipment and cargo.

3 Single-Rear Wheel.

4 Dual-Rear Wheel.


SILVERADO AND SILVERADO HD BALL HITCH TRAILERING

1500 MODELS weight-carrying hitch limit: 5,000-lb. trailer with 600-lb. tongue weight. Z85 Handling/Trailering suspension or Z71 Off-Road Package and a weight-distributing hitch with sway control required over 5,000-lb. trailer weight. 2500HD/3500HD MODELS weight-carrying hitch limit: 7,500-lb. trailer with 1,000-lb. tongue weight. Weight-distributing hitch with sway control required over 7,500-lb. trailer weight. Please read the Trailering Basics before towing a trailer with any Chevy Truck.

Trailering
  1500 WITH VORTEC 4.3L V6 ENGINE
AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Regular Cab 6.5/8 4,800/4,700
5,300/5,200
 3.23
3.73
 9,500
10,000
  Extended Cab 5.8/6.5 4,400/4,300
4,900/4,800		 3.23
3.73		 9,500
10,000
1500 4x4 Regular Cab 6.5/8 5,100/4,900 3.73 10,000
  1500 WITH VORTEC 4.8L V8 ENGINE
AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Regular Cab 6.5/8 5,200/5,100
7,200/7,100		 3.23
3.73		 10,000
12,000
  Extended Cab 5.8/6.5 4,800/4,700
6,800/6,700		 3.23
3.73		 10,000
12,000
  Crew Cab 5.8 4,600
6,600		 3.23
3.73		 10,000
12,000
1500 4x4 Regular Cab 6.5/8 5,900/5,900
7,900/7,900		 3.42
4.10		 11,000
13,000
  Extended Cab 5.8/6.5 5,500/5,500
7,500/7,500		 3.42
4.10		 11,000
13,000
  Crew Cab 5.8 5,400
7,400		 3.42
4.10		 11,000
13,000
  1500 WITH VORTEC 5.3L V8 ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Regular Cab 6.5/8 7,200/7,000
8,200/8,000		 3.42
3.73		 12,000
13,000
  Extended Cab 5.8 6,800
7,800		 3.42
3.73
 12,000
13,000
  Extended Cab 6.5/8 6,700/6,600
7,700/7,600		 3.42
3.73		 12,000
13,000
  Crew Cab 5.8 6,600
7,600		 3.42
3.73		 12,000
13,000
1500 4x4 Regular Cab 6.5/8 7,900/7,900
8,900/8,900		 3.73
4.10		 13,000
14,000
  Extended Cab 5.8 7,500
8,500		 3.73
4.10		 13,000
14,000
  Extended Cab 6.5/8 7,500/7,400
8,500/8,400		 3.73
4.10		 13,000
14,000
  Crew Cab 5.8 7,500
8,500		 3.73
4.10		 13,000
14,000
  1500 WITH VORTEC MAX 6.0L V8 ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Extended Cab 5.8 8,800 3.73 14,000
1500 4x4 Extended Cab 5.8 8,500 3.73 14,000
1500 2WD Extended Cab 6.5 8,800 3.73 14,000
1500 2WD Extended Cab with MAX Trailering Pack 6.5 10,200
 3.73
 15,500
1500 4x4 Extended Cab 6.5 8,500 3.73 14,000
1500 4x4 Extended Cab with MAX Trailering Pack 6.5 10,500 4.10 16,000
1500 2WD Crew Cab 5.8 8,700
 3.73
 14,000
1500 2WD Crew Cab with MAX Trailering Pack 5.8 10,200
 3.73
 15,500
1500 4x4 Crew Cab 5.8 8,400 3.73 14,000
1500 4x4 Crew Cab with MAX Trailering Pack 5.8 10,500
 4.10
 16,000

  2500HD WITH VORTEC 6.0L V8 ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
2500HD 2WD Regular Cab 8 10,400
12,900		 3.73
4.10		 16,000
18,500
2500HD 4x4 Regular Cab 8 10,200
12,700		 3.73
4.10		 16,000
18,500
2500HD 2WD Extended Cab 6.5 10,200
12,700		 3.73
4.10		 16,000
18,500
2500HD 2WD Extended Cab 8 10,000
12,500
 3.73
4.10		 16,000
18,500
2500HD 4x4 Extended Cab 6.5 9,900
12,400		 3.73
4.10		 16,000
18,500
2500HD 4x4 Extended Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500
2500HD 2WD Crew Cab 6.5 10,000
12,500
 3.73
4.10		 16,000
18,500
2500HD 2WD Crew Cab 8 9,900
12,400
 3.73
4.10		 16,000
18,500
2500HD 4x4 Crew Cab 6.5 9,800
12,300		 3.73
4.10		 16,000
18,500
2500HD 4x4 Crew Cab 8 9,600
12,100
 3.73
4.10		 16,000
18,500

  2500HD WITH DURAMAX DIESEL 6.6L V8 TURBO ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
2500HD 2WD Regular Cab 8 13,000 3.73 22,000
2500HD 4x4 Regular Cab 8 13,000 3.73 22,000
2500HD 2WD Extended Cab 6.5 13,000 3.73 22,000
2500HD 2WD Extended Cab 8 13,000 3.73
 22,000
2500HD 4x4 Extended Cab 6.5 13,000 3.73 22,000
2500HD 4x4 Extended Cab 8 13,000 3.73 22,000
2500HD 2WD Crew Cab 6.5 13,000 3.73
 22,000
2500HD 2WD Crew Cab 8 13,000 3.73
 22,000
2500HD 4x4 Crew Cab 6.5 13,000 3.73 22,000
2500HD 4x4 Crew Cab 8 13,000
 3.73
 22,000

  3500HD WITH VORTEC 6.0L V8 ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
3500HD SRW4 2WD Regular Cab 8 10,100
12,600		 3.73
4.10		 16,000
18,500
3500HD SRW4 4x4 Regular Cab 8 9,900
12,400		 3.73
4.10		 16,000
18,500
3500HD SRW4 2WD Extended Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500
3500HD SRW4 4x4 Extended Cab 8 9,500
12,000		 3.73
4.10		 16,000
18,500
3500HD SRW4 2WD Crew Cab 8 9,600
12,100
 3.73
4.10		 16,000
18,500
3500HD SRW4 4x4 Crew Cab 8 9,300
11,800		 3.73
4.10		 16,000
18,500
3500HD DRW5 4x4 Regular Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500
3500HD DRW5 2WD Extended Cab 8 9,500
12,000		 3.73
4.10		 16,000
18,500
3500HD DRW5 4x4 Extended Cab 8 9,200
11,700		 3.73
4.10		 16,000
18,500
3500HD DRW5 2WD Crew Cab 8 9,300
11,800		 3.73
4.10		 16,000
18,500
3500HD DRW5 4x4 Crew Cab 8 9,100
11,600		 3.73
4.10		 16,000
18,500

  3500HD WITH DURAMAX DIESEL 6.6L V8 TURBO ENGINE AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
3500HD SRW4 4x4 Regular Cab 8 13,000 3.73 22,000
3500HD SRW4 2WD Extended Cab 8 13,000 3.73 22,000
3500HD SRW4 4x4 Extended Cab 8 13,000 3.73
 22,000
3500HD SRW4 2WD Crew Cab 8 13,000 3.73 22,000
3500HD SRW4 4x4 Crew Cab 8 13,000 3.73 22,000
3500HD DRW5 4x4 Regular Cab 8 13,000 3.73
 23,500
3500HD DRW5 2WD Extended Cab 8 13,000 3.73
 23,500
3500HD DRW5 4x4 Extended Cab 8 13,000 3.73 23,500
3500HD DRW5 2WD Crew Cab 8 13,000
 3.73
 23,500
3500HD DRW5 4x4 Crew Cab 8 13,000 3.73
 23,500


SILVERADO 1500 FIFTH-WHEEL TRAILERING

Fifth-wheel trailering with a Silverado 1500 requires Z85 Handling/Trailering suspension or Z71 Off-Road Package. Please read the Trailering Basics before towing a trailer with any Chevy Truck.

  1500
VORTEC 4.8L V8 AND AUTOMATIC TRANSMISSION VORTEC 5.3L V8 AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Regular Cab 6.5/8 7,200/7,100 3.73 12,000 7,200/7,000
8,200/8,000		 3.42
3.73		 12,000
13,000
  Extended Cab 6.5/8 6,700/- 3.73 12,000 6,700/6,500
7,700/7,500		 3.42
3.73		 12,000
13,000
1500 4x4 Regular Cab 6.5/8 7,300/7,900 4.10 13,000 7,300/7,900
7,300/8,900		 3.73
4.10		 13,000
14,000
  Extended Cab 6.5/8 7,500/- 4.10 13,000 7,500/7,300
8,500/8,300		 3.73
4.10		 13,000
14,000
  1500
VORTEC MAX 6.0L V8 AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
1500 2WD Extended Cab 6.5 8,800
 3.73
 14,000
1500 2WD Extended Cab with MAX Trailering Pack 6.5 10,200
 3.73
 15,500
1500 4x4 Extended Cab 6.5 8,500
 3.73
 14,000
1500 4x4 Extended Cab with MAX Trailering Pack 6.5 10,500
 4.10
 16,000

SILVERADO 2500HD FIFTH-WHEEL TRAILERING

Please read the Trailering Basics before towing a trailer with any Chevy Truck.

SILVERADO 3500HD FIFTH-WHEEL TRAILERING

Please read the Trailering Basics before towing a trailer with any Chevy Truck.


  2500HD
VORTEC 6.0L V8 AND AUTOMATIC TRANSMISSION DURAMAX DIESEL 6.6L V8 TURBO AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
2500HD 2WD Regular Cab 8 10,400
12,900		 3.73
4.10		 16,000
18,500		 15,800 3.73 22,000
2500HD 4x4 Regular Cab 8 10,200
12,700		 3.73
4.10		 16,000
18,500		 15,500 3.73 22,000
2500HD 2WD Extended Cab 6.5 10,200
12,700		 3.73
4.10		 16,000
18,500		 15,400 3.73 22,000
2500HD 2WD Extended Cab 8 10,000
12,500		 3.73
4.10		 16,000
18,500		 15,000 3.73
 22,000
2500HD 4x4 Extended Cab 6.5 9,900
12,400		 3.73
4.10		 16,000
18,500		 14,300 3.73 22,000
2500HD 4x4 Extended Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500		 13,400 3.73 22,000
2500HD 2WD Crew Cab 6.5 10,000
12,500		 3.73
4.10		 16,000
18,500		 15,200 3.73
 22,000
2500HD 2WD Crew Cab 8 9,900
12,400		 3.73
4.10		 16,000
18,500		 14,400 3.73
 22,000
2500HD 4x4 Crew Cab 6.5 9,800
12,300		 3.73
4.10		 16,000
18,500		 13,600 3.73 22,000
2500HD 4x4 Crew Cab 8 9,600
12,100		 3.73
4.10		 16,000
18,500		 12,500 3.73
 22,000
  3500HD
VORTEC 6.0L V8 AND AUTOMATIC TRANSMISSION DURAMAX DIESEL 6.6L V8 TURBO AND AUTOMATIC TRANSMISSION
Model Box Length (ft.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.) Max. Trailer Weight (lbs.)1 Required Axle Ratio GCWR2,3 (lbs.)
3500HD SRW4 2WD Regular Cab 8 10,100
12,600		 3.73
4.10		 16,000
18,500		 – – –
3500HD SRW4 4x4 Regular Cab 8 9,900
12,400		 3.73
4.10		 16,000
18,500		 15,300 3.73 22,000
3500HD SRW4 2WD Extended Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500		 15,100 3.73 22,000
3500HD SRW4 4x4 Extended Cab 8 9,500
12,000		 3.73
4.10		 16,000
18,500		 14,900 3.73
 22,000
3500HD SRW4 2WD Crew Cab 8 9,600
12,100		 3.73
4.10		 16,000
18,500		 14,900 3.73 22,000
3500HD SRW4 4x4 Crew Cab 8 9,300
11,800		 3.73
4.10		 16,000
18,500		 14,600 3.73 22,000
3500HD DRW5 4x4 Regular Cab 8 9,700
12,200		 3.73
4.10		 16,000
18,500		 16,500 3.73
 23,500
3500HD DRW5 2WD Extended Cab 8 9,500
12,000		 3.73
4.10		 16,000
18,500		 16,300 3.73
 23,500
3500HD DRW5 4x4 Extended Cab 8 9,200
11,700		 3.73
4.10		 16,000
18,500		 16,000 3.73 23,500
3500HD DRW5 2WD Crew Cab 8 9,300
11,800		 3.73
4.10		 16,000
18,500		 16,200 3.73
 23,500
3500HD DRW5 4x4 Crew Cab 8 9,100
11,600		 3.73
4.10		 16,000
18,500		 15,900 3.73
 23,500

TRAILERING BASICS

NOTE: Towing a trailer involves all major vehicle systems of your Chevy Truck, including powertrain, steering, suspension, tire and brake systems. Easy and safe trailering requires a properly equipped vehicle, additional trailering equipment and an appropriate trailer. It also requires loading both the vehicle and trailer properly, using safe driving techniques, meeting regional legal requirements, and following break-in and maintenance schedules. The owner is responsible for obtaining the proper equipment (hitch ball and hitch type of the proper size, type and capacity) required to safely tow both the trailer and the load that will be towed. For more information, consult your Owner's Manual or speak to a trailering expert at your Chevy dealership. These charts will assist in determining how to best equip your Chevy Truck for trailering. To help you understand the charts, consider these trailering factors:

TORQUE: Indicates the strength of the engine. Low-end torque reflects how much force is generated to get your vehicle moving.

HORSEPOWER: Indicates how much work the engine does at a certain engine speed. At mid to high engine rpm, it's what keeps you moving at highway speeds.

AXLE RATIO: Along with your vehicle's transmission gears, a higher rear axle ratio contributes to how much available torque and horsepower (mechanical leverage) can be applied to the drive wheels for launch and uphill performance. Higher rear axle ratios, however, sacrifice fuel economy when not trailering.

BALL HITCH TRAILERING: There are two types of ball hitches. A weight-carrying hitch consists of a ball and coupler with no means to distribute the hitch weight. It is used primarily for lightweight trailers. Heavier trailers, however, require a weight-distributing hitch, which uses spring bars to transfer some of the hitch weight forward onto the tow vehicle's front axle and rearward onto the trailer's axle(s).

FIFTH-WHEEL TRAILERING: Often used with the heaviest trailers, fifth-wheel (or gooseneck) hitches are mounted on a pickup's bed with the trailer's kingpin weight located over or slightly in front of the tow vehicle's rear axle.

RGAWR and GVWR: Addition of trailer hitch weight cannot cause vehicle weights to exceed Rear Gross Axle Weight Rating (RGAWR) or Gross Vehicle Weight Rating (GVWR). These ratings can be found on the certification label located on the driver door or doorframe.

GCWR: The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer. A properly equipped tow vehicle and trailer at the maximum GCWR should be able to accelerate and merge with traffic, climb typical interstate grades at highway speeds, handle the combination on virtually all road surfaces, and stop adequately within a reasonable distance.

MAXIMUM TRAILER RATING: This rating is determined by subtracting the tow vehicle's weight (curb weight) from the GCWR. When a base vehicle (curb) weight is used, additional passenger, equipment and cargo weight reduces this rating.


TRAILERING CAUTIONS

NOTE: Please read this Trailering Caution safety information before trailering with a Chevy Truck.

NOTE: The safety steps described here are by no means the only precautions to be taken when trailering. See the Owner's Manual for your Chevy Silverado for additional guidelines and trailering tips.

Trailering Caution: If you don't use the correct equipment and drive properly, you can lose control of your vehicle when you pull a trailer. For example, if the trailer is too heavy, your vehicle's brakes may be less effective. You and your passengers could be seriously injured. Pull a trailer only after you have taken the following steps.

Trailer Brakes: If your trailer weighs more than 2,000 lbs. loaded, then it must have its own adequate brakes. Be sure to read and follow the instructions for the trailer brake controller so that it is installed, adjusted and maintained properly.

  • Don't tap into your vehicle's brake system if the trailer's brake system will use more than 0.02 cu. in. of fluid from your vehicle's master cylinder. If it does, neither braking system will work well. You could even lose your vehicle brakes.
  • The trailer brake parts must be able to take 3,000 psi of pressure. If not, the trailer brake system must not be used with your vehicle. If everything checks out thus far, have a qualified individual make the brake fluid tap at the master cylinder port that sends fluid to the rear brakes. Don't use copper tubing because it will bend and ultimately break. Use only double-walled steel brake tubing.
  • If you'll be towing a trailer that, when loaded, will weigh more than 5,000 lbs., be sure to use a frame-mounted, weight-distributing hitch and sway control of the proper size. This equipment is very important for proper vehicle loading and good handling when you're driving.

Hitches: It's important to have the correct hitch equipment. Crosswinds, large trucks going by and rough roads are just a few reasons why you'll need the right hitch. Here are some rules to follow:


FIFTH-WHEEL TRAILERING: Silverado pickup models can be equipped with a fifth-wheel or gooseneck trailer hitch.

  • Follow the hitch manufacturer's directions for installation, but note that the hitch must be attached to the truck frame. Do not use the pickup bed for additional support. For proper kingpin tongue load distribution and control of the trailer, the hitch must be mounted so the kingpin load is placed ahead of the rear axle centerline.
  • Fifth-wheel trailer kingpin loads are higher than conventional trailer tongue loads, so pay careful attention to the truck's payload capacity and rear axle weight ratings.
  • Your Chevy Truck dealer can help you calculate the maximum allowable payload and GVWR required for your fifth-wheel trailering application. The weight of any additional equipment and all passengers other than the driver must be subtracted from the payload weight to determine the maximum kingpin load available.

1 Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. The weight of other optional equipment, passengers and cargo will reduce the maximum trailer weight your vehicle can tow. See your Chevy dealer for additional details.

2 Gross Combination Weight Rating.

3 NOTE: Trailer tongue weight should be 10 to 15 percent of total loaded trailer weight (up to 1,500 lbs. on HD models). Addition of trailer tongue weight cannot cause vehicle weights to exceed Rear Gross Axle Weight Rating (RGAWR) or Gross Vehicle Weight Rating (GVWR). These ratings can be found on the certification label located on the driver door or doorframe. Z82 Heavy-Duty Trailering Equipment Package includes trailer hitch platform and trailer electrical connector.

4 Single-Rear Wheel.

5 Dual-Rear Wheel.

Braking
Series 1500 2500HD 3500HD
Type Standard 4-wheel ABS with Dynamic Rear Proportioning (DRP) Standard 4-wheel ABS with Dynamic Rear Proportioning (DRP) Standard 4-wheel ABS with Dynamic Rear Proportioning (DRP)
  U.S. Standard U.S. Standard U.S. Standard
Front brakes
Rotor size 13.0 x 1.2 in. 12.8 x 1.5 in. 12.8 x 1.5 in.
Swept area 256.7 sq. in. 245.5 sq. in. 245.5 sq. in.
Rear brakes
Drum size 11.6 x 2.4 in. – –
Swept area 172.4 sq. in. – –
Rotor size – 13.0 x 1.1 in. 13.0 x 1.1 in. (SRW)/12.8 x 1.2 in. (DRW)
Swept area – 236.5 sq. in. 236.5 sq. in. (SRW)/235.1 sq. in. (DRW)
Engine
Engine Vortec 4.3L V6 (late availability) Vortec 4.8L V8 Vortec 5.3L Iron-Block V8 Vortec 5.3L Aluminum-Block V8
RPO LU3 LY2 LY5/LMG LH6/LC9
Displacement (cu. in.) 262 293 325 325
Bore x stroke (in.) 4.00 x 3.48 3.78 x 3.27 3.78 x 3.62 3.78 x 3.62
Compression ratio 9.2:1 9.1:1 9.9:1 9.9:1
Cylinder block material cast-iron cast-iron cast-iron cast-aluminum
Cylinder head material cast-iron cast-aluminum cast-aluminum cast-aluminum
Valvetrain configuration OHV OHV OHV OHV
Valves per cylinder 2 2 2 2
Ignition direct, coil-near-plug direct, coil-near-plug direct, coil-near-plug direct, coil-near-plug
Lifters hydraulic roller hydraulic roller hydraulic roller hydraulic roller
Cam drive chain chain chain chain
Coolant capacity
- automatic transmission (gallons) 4.1 4.2 4.2 4.2
Oil capacity (quarts) 4.5 6.0 6.0 6.0
Alternator (amps) 145 145 145 145
Battery (SAE rating, cca) 600 600 600 600
Recommended unleaded fuel 87 octane 87 octane 87 octane 87 octane
Maximum engine speed (rpm)
- w/automatic transmission 5,600 5,900 5,900 5,900
Horsepower @ rpm 195 @ 4,600 295 @ 5,600 315 @ 5,200 315 @ 5,200
Torque (lb.-ft.) @ rpm 260 @ 2,800 305 @ 4,800 338 @ 4,400 338 @ 4,400
Engine Vortec MAX 6.0L V8 Vortec 6.0L V8 Duramax Diesel 6.6L V8 Turbo
RPO L76 LY6 LMM
Displacement (cu. in.) 364 364 402
Bore x stroke (in.) 4.00 x 3.62 4.00 x 3.62 4.05 x 3.89
Compression ratio 9.6:1 9.6:1 16.8:1
Cylinder block material cast-aluminum cast-iron cast-iron
Cylinder head material cast-aluminum cast-aluminum cast-aluminum
Valvetrain configuration OHV OHV OHV
Valves per cylinder 2 2 4
Ignition direct, coil-near-plug direct, coil-near-plug direct compression
Lifters hydraulic roller hydraulic roller mechanical roller
Cam drive chain chain gear
Coolant capacity
- automatic transmission (gallons) 4.2 4.2 4.1
Oil capacity (quarts) 6.0 6.0 10
Alternator (amps) 145 125 125
Battery (SAE rating, cca) 600 600 730, dual
Recommended unleaded fuel 87 octane 87 octane diesel
Maximum engine speed (rpm)
- w/automatic transmission 5,900 6,000 3,450
Horsepower @ rpm 367 @ 5,500 353 @ 5,400 312 @ 4,400 (Big Dooley models)
Torque (lb.-ft.) @ rpm 375 @ 4,300 373 @ 4,400 660 @ 1,600
Steering
Series 1500 2500HD 3500HD
Type power rack-and-pinion power-recirculating ball power-recirculating ball
Ratio 14.2:1 14.2:1 14.2:1
Turning diameter (curb-to-curb ft.) 39.7–51.2 45.3–55.1 45.3–55.1
Transmission
REGULAR CAB POWERTRAIN SELECTOR
Drive Trim Levels Std. Engine HP @ rpm Torque (lb.-ft.) @ rpm Opt. Engines Standard Trans.
1500 Regular Cab Standard Box
2WD/4x4 Work Truck Vortec 4.3L V6 195 @ 4,600 260 @ 2,800 Vortec 4.8L V8
Vortec 5.3L V8		 Hydra-Matic 4-speed automatic overdrive
2WD/4x4 1LT Vortec 4.8L V8 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8 Hydra-Matic 4-speed automatic overdrive
1500 Regular Cab Long Box
2WD/4x4 Work Truck Vortec 4.3L V6 195 @ 4,600 260 @ 2,800 Vortec 4.8L V8
Vortec 5.3L V8		 Hydra-Matic 4-speed automatic overdrive
2WD/4x4 1LT Vortec 4.8L V8 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8 Hydra-Matic 4-speed automatic overdrive
2500HD Regular Cab Long Box
2WD/4x4 Work Truck, 1LT Vortec 6.0L V8 353 @ 5,400
 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
3500HD Regular Cab Long Box
2WD/4x4 Work Truck, 1LT Vortec 6.0L V8 353 @ 5,400
312 @ 4,400 (Big Dooley models)		 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
  EXTENDED CAB POWERTRAIN SELECTOR
Drive Trim Levels Std. Engine HP @ rpm Torque (lb.-ft.) @ rpm Opt. Engines Standard Trans.
1500 Extended Cab Short Box
2WD Work Truck Vortec 4.3L V6 (varies by model) 195 @ 4,600 260 @ 2,800 Vortec 4.8L V8 Vortec 5.3L V8
Vortec Max 6.0L V8
Hydra-Matic 4-speed automatic overdrive
4x4 1LT Vortec 4.8L V8 (varies by model) 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8
Vortec Max 6.0L V8
Hydra-Matic 4-speed automatic overdrive
1500 Extended Cab Standard Box
2WD Work Truck Vortec 4.3L V6 195 @ 4,600 260 @ 2,800 Vortec 4.8L V8 Vortec 5.3L V8 Hydra-Matic 4-speed automatic overdrive
4x4 1LT Vortec 4.8L V8 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8 Hydra-Matic 4-speed automatic overdrive
2WD/4x4 1LT Vortec 4.8L V8 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8
Vortec Max 6.0L V8
Hydra-Matic 4-speed automatic overdrive
2WD/4x4 2LT, LTZ Vortec 5.3L V8 315 @ 5,200 338 @ 4,400 Vortec Max 6.0L V8 Hydra-Matic SD 4-speed automatic overdrive
2WD/4x4 1LT, 2LT, LTZ
 Vortec MAX 6.0L V8 367 @ 5,500 375 @ 4,300 – Hydra-Matic SD 4-speed automatic overdrive
1500 Extended Cab Long Box
2WD/4x4 WT, 1LT, 2LT, LTZ Vortec 5.3L V8 315 @ 5,200 338 @ 4,400 – Hydra-Matic SD 4-speed automatic overdrive
2500HD Extended Cab Standard Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
2500HD Extended Cab Long Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
3500HD Extended Cab Long Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
312 @ 4,400 (Big Dooley models)		 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
  CREW CAB POWERTRAIN SELECTOR
Drive Trim Levels Std. Engine HP @ rpm Torque (lb.-ft.) @ rpm Opt. Engines Standard Trans.
1500 Crew Short Box
2WD/4x4 WT, LS, 1LT, 2LT, LTZ Vortec 4.8L V8 (varies by model) 295 @ 5,600 305 @ 4,800 Vortec 5.3L V8
Vortec Max 6.0L V8
Hydra-Matic 4-speed automatic overdrive
2WD/4x4 1LT, 2LT, LTZ
Vortec MAX 6.0L V8 367 @ 5,500 375 @ 4,300 – Hydra-Matic SD 4-speed automatic overdrive
2500HD Crew Cab Standard Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
2500HD Crew Cab Long Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
3500HD Crew Cab Long Box
2WD/4x4 Work Truck, 1LT, 2LT, LTZ Vortec 6.0L V8 353 @ 5,400
312 @ 4,400 (Big Dooley models)		 373 @ 4,400 Duramax Diesel 6.6L V8 Turbo1 Hydra-Matic 6-speed automatic overdrive
  1. Requires available Allison 1000 Series six-speed automatic transmission.




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