2008 GMC Sierra 2500 HD Extended Cab Specs, Features & Options
Here's everything you need to know about each trim in the 2008 GMC Sierra 2500 HD Extended Cab lineup. Compare pricing, specs, key features and more.
Save 1 of 6  Sierra 2500 HD Extended Cab Work Truck Pickup 4D 6 1/2 ft | Save 2 of 6 Sierra 2500 HD Extended Cab Work Truck Pickup 4D 8 ft | Save 3 of 6 Sierra 2500 HD Extended Cab SLE Pickup 4D 6 1/2 ft | Save 4 of 6 Sierra 2500 HD Extended Cab SLE Pickup 4D 8 ft | Save 5 of 6 Sierra 2500 HD Extended Cab SLT Pickup 4D 6 1/2 ft | Save 6 of 6 Sierra 2500 HD Extended Cab SLT Pickup 4D 8 ft | |||
|---|---|---|---|---|---|---|---|---|
| Fair Market Price | $10,350 | $10,450 | $15,950 | $16,050 | $16,750 | $16,850 | ||
| Fuel Type | Gas | Gas | Diesel | Diesel | Diesel | Diesel | ||
| Horsepower | 353 @ 5400 RPM | 353 @ 5400 RPM | 365 @ 3200 RPM | 365 @ 3200 RPM | 365 @ 3200 RPM | 365 @ 3200 RPM | ||
| Torque | 373 lb-ft | 373 lb-ft | 660 lb-ft | 660 lb-ft | 660 lb-ft | 660 lb-ft | ||
| Towing Capacity | 13,000 lbs | 13,000 lbs | 13,000 lbs | 13,000 lbs | 13,000 lbs | 13,000 lbs | ||
| Payload | 3,353 pounds | 3,194 pounds | 3,353 pounds | 3,194 pounds | 3,353 pounds | 3,194 pounds | ||
| Body Styles | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | ||
| Engine | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.6L Turbo Dsl | V8, 6.6L Turbo Dsl | V8, 6.6L Turbo Dsl | V8, 6.6L Turbo Dsl | ||
| Curb Weight | 5,847 pounds | 6,006 pounds | 5,847 pounds | 6,006 pounds | 5,847 pounds | 6,006 pounds |
| Emergency & Security Services | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Seat Anchors | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Door Locks | Standard | Standard | Standard | Standard | Standard | Standard |
| Cruise Control | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Remote Keyless Entry | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Remote Engine Start | Not Available | Not Available | Optional | Optional | Optional | Optional | ||
| Navigation System | Not Available | Not Available | Optional | Optional | Optional | Optional | ||
| Hands Free Phone | Standard | Standard | Standard | Standard | Standard | Standard |
| Satellite Radio | Standard | Standard | Standard | Standard | Standard | Standard |
| Remote Keyless Entry | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Heated Mirrors | Not Available | Not Available | Standard | Standard | Standard | Standard | ||
| Integrated Garage Door Opener | Not Available | Not Available | Optional | Optional | Optional | Optional |
| Torque | 373 @ 5400 RPM | 373 @ 5400 RPM | 660 @ 3200 RPM | 660 @ 3200 RPM | 660 @ 3200 RPM | 660 @ 3200 RPM |
| Leather Seats | Not Available | Not Available | Optional | Optional | Standard | Standard | ||
| Folding Rear Seat | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Dual Power Front Seats | Not Available | Not Available | Optional | Optional | Standard | Standard | ||
| Power Driver's Seat | Not Available | Not Available | Optional | Optional | Standard | Standard |
| Leather-Wrapped Steering Wheel | Not Available | Not Available | Standard | Standard | Standard | Standard | ||
| Power Adjustable Pedals | Not Available | Not Available | Optional | Optional | Optional | Optional | ||
| Power Outlet | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Windows | Not Available | Not Available | Standard | Standard | Standard | Standard | ||
| Rear Window Defroster | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Steering Wheel Controls | Not Available | Not Available | Optional | Optional | Standard | Standard | ||
| Tilt Steering Wheel | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cup Holder Count | Standard | Standard | Standard | Standard | Standard | Standard |
| Alloy Wheels | Not Available | Not Available | Optional | Optional | Standard | Standard | ||
| Fog Lights | Optional | Optional | Standard | Standard | Standard | Standard | ||
| Power Folding Exterior Mirrors | Not Available | Not Available | Optional | Optional | Standard | Standard | ||
| Privacy Glass | Optional | Optional | Standard | Standard | Standard | Standard |
| Alarm System | Not Available | Not Available | Standard | Standard | Standard | Standard |
| Drivetrain | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | ||
| Recommended Fuel | Regular | Regular | Diesel | Diesel | Diesel | Diesel | ||
| Transmission Type | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic |
| Bed Length | 6.5 feet | 8 feet | 6.5 feet | 8 feet | 6.5 feet | 8 feet | ||
| Curb Weight | 5847 pounds | 6006 pounds | 5847 pounds | 6006 pounds | 5847 pounds | 6006 pounds | ||
| Fuel Capacity | 26 gallons | 34 gallons | 26 gallons | 34 gallons | 26 gallons | 34 gallons | ||
| Front Head Room | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | ||
| Front Leg Room | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | ||
| Minimum Ground Clearance | 9.5 inches | 9.5 inches | 9.5 inches | 9.5 inches | 9.5 inches | 9.5 inches | ||
| Overall Length | 230.3 inches | 249.2 inches | 230.3 inches | 249.2 inches | 230.3 inches | 249.2 inches | ||
| Payload Capacity | 3353 pounds | 3194 pounds | 3353 pounds | 3194 pounds | 3353 pounds | 3194 pounds | ||
| Front Shoulder Room | 65.2 inches | 65.2 inches | 65.2 inches | 65.2 inches | 65.2 inches | 65.2 inches | ||
| Truck Bed Volume | 61 feet | 76 feet | 61 feet | 76 feet | 61 feet | 76 feet | ||
| Turning Diameter | 47.6 feet | 52.5 feet | 47.6 feet | 52.5 feet | 47.6 feet | 52.5 feet | ||
| Wheel Base | 143.5 inches | 157.5 inches | 143.5 inches | 157.5 inches | 143.5 inches | 157.5 inches | ||
| Width with mirrors | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches |
FAQs
Does the 2008 GMC Sierra 2500 HD Extended Cab have a turbo?
Yes, the following 2008 Sierra 2500 HD Extended Cab trims have turbo engines: SLE Pickup 4D 6 1/2 ft with a V8, 6.6L Turbo Dsl, SLE Pickup 4D 8 ft with a V8, 6.6L Turbo Dsl, etc. The following 2008 Sierra 2500 HD Extended Cab trims do not have turbo engines: Work Truck Pickup 4D 6 1/2 ft with a V8, 6.0 Liter, Work Truck Pickup 4D 8 ft with a V8, 6.0 Liter.
Is the GMC Sierra 2500 HD Extended Cab underpowered?
It depends on your definition of underpowered. The 2008 Sierra 2500 HD Extended Cab ranges in power from the Work Truck Pickup 4D 6 1/2 ft with 353 horsepower to the SLT Pickup 4D 8 ft with 365 horsepower.
How much horsepower does a 2008 Sierra 2500 HD Extended Cab have?
The 2008 Sierra 2500 HD Extended Cab ranges in power from the Work Truck Pickup 4D 6 1/2 ft with 353 horsepower to the SLT Pickup 4D 8 ft with 365 horsepower.
All 2008 GMC Sierra 2500 HD Extended Cab Trims and Styles
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