2008 GMC Sierra 1500 Extended Cab Specs, Features & Options
Here's everything you need to know about each trim in the 2008 GMC Sierra 1500 Extended Cab lineup. Compare pricing, specs, key features and more.
1 of 10  Sierra 1500 Extended Cab Work Truck Pickup 4D 6 1/2 ft | 2 of 10 Sierra 1500 Extended Cab SLE Pickup 4D 8 ft | 3 of 10 Sierra 1500 Extended Cab Work Truck Pickup 4D 5 3/4 ft | 4 of 10 Sierra 1500 Extended Cab SL Pickup 4D 6 1/2 ft | 5 of 10 Sierra 1500 Extended Cab Work Truck Pickup 4D 8 ft | 6 of 10 Sierra 1500 Extended Cab SLT Pickup 4D 8 ft | 7 of 10 Sierra 1500 Extended Cab SLE Pickup 4D 5 3/4 ft | 8 of 10 Sierra 1500 Extended Cab SLE Pickup 4D 6 1/2 ft | 9 of 10 Sierra 1500 Extended Cab SLT Pickup 4D 5 3/4 ft | 10 of 10 Sierra 1500 Extended Cab SLT Pickup 4D 6 1/2 ft | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fair Market Price | $7,776 | $8,372 | $8,714 | $9,174 | $9,629 | $10,185 | $10,191 | $11,431 | $11,504 | $11,759 | ||
| Fuel Economy | City 15/Hwy 20/Comb 17 MPG | City 15/Hwy 20/Comb 17 MPG | City 14/Hwy 18/Comb 16 MPG | City 14/Hwy 18/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | City 14/Hwy 19/Comb 16 MPG | ||
| Fuel Type | Gas | Flexible Fuel | Gas | Gas | Gas | Flexible Fuel | Gas | Gas | Gas | Gas | ||
| Horsepower | 195 @ 4600 RPM | 315 @ 5200 RPM | 295 @ 5600 RPM | 295 @ 5600 RPM | 315 @ 5200 RPM | 315 @ 5200 RPM | 315 @ 5200 RPM | 315 @ 5200 RPM | 315 @ 5200 RPM | 315 @ 5200 RPM | ||
| Torque | 260 lb-ft | 338 lb-ft | 305 lb-ft | 305 lb-ft | 338 lb-ft | 338 lb-ft | 338 lb-ft | 338 lb-ft | 338 lb-ft | 338 lb-ft | ||
| Towing Capacity | 8,800 lbs | 7,500 lbs | 8,500 lbs | 10,200 lbs | 8,300 lbs | 8,300 lbs | 8,600 lbs | 8,500 lbs | 8,600 lbs | 8,800 lbs | ||
| Payload | 1,477 pounds | 1,682 pounds | 1,574 pounds | N/A | 1,590 pounds | 1,590 pounds | 1,574 pounds | 1,734 pounds | 1,574 pounds | N/A | ||
| Body Styles | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | ||
| Engine | V6, 4.3 Liter | V8, Flex Fuel, 5.3 Liter | V8, 4.8 Liter | V8, 4.8 Liter | V8, 5.3 Liter | V8, Flex Fuel, 5.3 Liter | V8, 5.3 Liter | V8, 5.3 Liter | V8, 5.3 Liter | V8, 5.3 Liter | ||
| Curb Weight | 4,923 pounds | 5,218 pounds | 5,226 pounds | 5,266 pounds | 5,410 pounds | 5,410 pounds | 5,226 pounds | 5,266 pounds | 5,226 pounds | 4,923 pounds |
| Emergency & Security Services | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Seat Anchors | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Door Locks | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Traction Control | Not Available | Not Available | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Not Available | Optional |
| Cruise Control | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Remote Keyless Entry | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Remote Engine Start | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Optional | Optional | Optional | Optional | ||
| Navigation System | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Optional | Optional | Optional | Optional | ||
| Hands Free Phone | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Satellite Radio | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Remote Keyless Entry | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Heated Mirrors | Not Available | Standard | Not Available | Standard | Not Available | Standard | Standard | Standard | Standard | Standard | ||
| Integrated Garage Door Opener | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Optional | Optional | Optional | Optional |
| Torque | 260 @ 4600 RPM | 338 @ 5200 RPM | 305 @ 5600 RPM | 305 @ 5600 RPM | 338 @ 5200 RPM | 338 @ 5200 RPM | 338 @ 5200 RPM | 338 @ 5200 RPM | 338 @ 5200 RPM | 338 @ 5200 RPM |
| Leather Seats | Not Available | Optional | Not Available | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard | ||
| Folding Rear Seat | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Dual Power Front Seats | Not Available | Optional | Not Available | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard | ||
| Power Driver's Seat | Not Available | Optional | Not Available | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard |
| Leather-Wrapped Steering Wheel | Not Available | Standard | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | ||
| Power Adjustable Pedals | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Optional | Optional | Optional | Optional | ||
| Power Outlet | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Windows | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Rear Window Defroster | Optional | Standard | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Steering Wheel Controls | Not Available | Optional | Not Available | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard | ||
| Tilt Steering Wheel | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cup Holder Count | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Alloy Wheels | Not Available | Optional | Optional | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard | ||
| Fog Lights | Optional | Standard | Optional | Not Available | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Power Folding Exterior Mirrors | Not Available | Optional | Not Available | Not Available | Not Available | Standard | Optional | Optional | Standard | Standard | ||
| Privacy Glass | Optional | Standard | Optional | Standard | Optional | Standard | Standard | Standard | Standard | Standard | ||
| Rain Sensing Windshield Wipers | Not Available | Optional | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Not Available |
| Alarm System | Not Available | Standard | Not Available | Standard | Not Available | Standard | Standard | Standard | Standard | Standard |
| Drivetrain | 2WD | 2WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | ||
| Recommended Fuel | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | ||
| Stability Control | Not Available | Not Available | Not Available | Optional | Not Available | Not Available | Not Available | Optional | Not Available | Optional | ||
| Transmission Type | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic |
| Bed Length | 6.5 feet | 8 feet | 5.75 feet | 6.5 feet | 8 feet | 8 feet | 5.75 feet | 6.5 feet | 5.75 feet | 6.5 feet | ||
| Curb Weight | 4923 pounds | 5218 pounds | 5226 pounds | 5266 pounds | 5410 pounds | 5410 pounds | 5226 pounds | 5266 pounds | 5226 pounds | 4923 pounds | ||
| Fuel Capacity | 26 gallons | 34 gallons | 26 gallons | Not Available | 34 gallons | 34 gallons | 26 gallons | 26 gallons | 26 gallons | 26 gallons | ||
| Front Head Room | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | 41.5 inches | ||
| Front Leg Room | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | 41.3 inches | ||
| Minimum Ground Clearance | 12.1 inches | 12.8 inches | 12.5 inches | Not Available | 12.5 inches | 12.5 inches | 12.5 inches | 11.8 inches | 12.5 inches | 12.1 inches | ||
| Overall Length | 229.9 inches | 248.8 inches | 220.3 inches | 229.9 inches | 248.8 inches | 248.8 inches | 220.3 inches | 229.9 inches | 220.3 inches | 229.9 inches | ||
| Payload Capacity | 1477 pounds | 1682 pounds | 1574 pounds | Not Available | 1590 pounds | 1590 pounds | 1574 pounds | 1734 pounds | 1574 pounds | Not Available | ||
| Front Shoulder Room | 65.2 inches | 65.2 inches | 65.2 inches | 65.2 inches | 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 | 53 feet | 61 feet | 76 feet | 76 feet | 53 feet | 61 feet | 53 feet | 61 feet | ||
| Turning Diameter | 46.9 feet | 51.2 feet | 44.6 feet | 46.9 feet | 51.2 feet | 51.2 feet | 44.6 feet | 46.9 feet | 44.6 feet | 46.9 feet | ||
| Wheel Base | 143.5 inches | 157.5 inches | 133.9 inches | 143.5 inches | 157.5 inches | 157.5 inches | 133.9 inches | 143.5 inches | 133.9 inches | 143.5 inches | ||
| Width with mirrors | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches | 80 inches |
FAQs
Does the 2008 GMC Sierra 1500 Extended Cab have a turbo?
No, the 2008 Sierra 1500 Extended Cab does not have any trim packages that offer a turbo engine at this time. For a more detailed look at the 2008 Sierra 1500 Extended Cab specs, features and options check out Kelley Blue Book's 2008 GMC Sierra 1500 Extended Cab specs page.
Is the GMC Sierra 1500 Extended Cab underpowered?
It depends on your definition of underpowered. The 2008 Sierra 1500 Extended Cab ranges in power from the Work Truck Pickup 4D 6 1/2 ft with 195 horsepower to the SLT Pickup 4D 6 1/2 ft with 315 horsepower. For a more detailed look at the 2008 Sierra 1500 Extended Cab specs, features and options check out Kelley Blue Book's 2008 GMC Sierra 1500 Extended Cab specs page.
How much horsepower does a 2008 Sierra 1500 Extended Cab have?
The 2008 Sierra 1500 Extended Cab ranges in power from the Work Truck Pickup 4D 6 1/2 ft with 195 horsepower to the SLT Pickup 4D 6 1/2 ft with 315 horsepower. For a more detailed look at the 2008 Sierra 1500 Extended Cab specs, features and options check out Kelley Blue Book's 2008 GMC Sierra 1500 Extended Cab specs page.
All 2008 GMC Sierra 1500 Extended Cab Trims and Styles
- 2008 GMC Sierra 1500 Extended Cab Work Truck Pickup 4D 6 1/2 Ft
- 2008 GMC Sierra 1500 Extended Cab SLE Pickup 4D 8 Ft
- 2008 GMC Sierra 1500 Extended Cab Work Truck Pickup 4D 5 3/4 Ft
- 2008 GMC Sierra 1500 Extended Cab SL Pickup 4D 6 1/2 Ft
- 2008 GMC Sierra 1500 Extended Cab Work Truck Pickup 4D 8 Ft
- 2008 GMC Sierra 1500 Extended Cab SLT Pickup 4D 8 Ft
- 2008 GMC Sierra 1500 Extended Cab SLE Pickup 4D 5 3/4 Ft
- 2008 GMC Sierra 1500 Extended Cab SLE Pickup 4D 6 1/2 Ft
- 2008 GMC Sierra 1500 Extended Cab SLT Pickup 4D 5 3/4 Ft
- 2008 GMC Sierra 1500 Extended Cab SLT Pickup 4D 6 1/2 Ft
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