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HomeGMCGMC Sierra 25002005 GMC Sierra 2500 HD Extended Cab
Specs and Features

2005 GMC Sierra 2500 HD Extended Cab Specs, Features & Options

Here's everything you need to know about each trim in the 2005 GMC Sierra 2500 HD Extended Cab lineup. Compare pricing, specs, key features and more.

More About the 2005 GMC Sierra 2500 HD Extended
Cab
1 of 8
Sierra 2500 HD Extended Cab SLT Pickup 4D 8 ft image
Sierra 2500 HD Extended Cab SLT Pickup 4D 8 ft
2 of 8
Sierra 2500 HD Extended Cab SLE Pickup 4D 8 ft image
Sierra 2500 HD Extended Cab SLE Pickup 4D 8 ft
3 of 8
Sierra 2500 HD Extended Cab Work Truck Pickup 4D 6 1/2 ft image
Sierra 2500 HD Extended Cab Work Truck Pickup 4D 6 1/2 ft
4 of 8
Sierra 2500 HD Extended Cab Pickup 4D 8 ft image
Sierra 2500 HD Extended Cab Pickup 4D 8 ft
5 of 8
Sierra 2500 HD Extended Cab Work Truck Pickup 4D 8 ft image
Sierra 2500 HD Extended Cab Work Truck Pickup 4D 8 ft
6 of 8
Sierra 2500 HD Extended Cab SLT Pickup 4D 6 1/2 ft image
Sierra 2500 HD Extended Cab SLT Pickup 4D 6 1/2 ft
7 of 8
Sierra 2500 HD Extended Cab Pickup 4D 6 1/2 ft image
Sierra 2500 HD Extended Cab Pickup 4D 6 1/2 ft
8 of 8
Sierra 2500 HD Extended Cab SLE Pickup 4D 6 1/2 ft image
Sierra 2500 HD Extended Cab SLE Pickup 4D 6 1/2 ft
See Pricing
See Cars in Stock
Fair Market Price
$8,113
$8,411
$8,472
$8,568
$9,496
$13,015
$13,314
$14,178
Fuel Economy
City 10/Hwy 12/Comb 11 MPG
City 10/Hwy 12/Comb 11 MPG
City 10/Hwy 12/Comb 11 MPG
City 10/Hwy 12/Comb 11 MPG
N/A
N/A
N/A
N/A
Fuel Type
Gas
Gas
Gas
Gas
Gas
Diesel
Diesel
Diesel
Horsepower
300 @ 4400 RPM
300 @ 4400 RPM
300 @ 4400 RPM
300 @ 4400 RPM
300 @ 4400 RPM
310 @ 3000 RPM
310 @ 3000 RPM
310 @ 3000 RPM
Torque
360 lb-ft
360 lb-ft
360 lb-ft
360 lb-ft
360 lb-ft
605 lb-ft
605 lb-ft
605 lb-ft
Towing Capacity
12,000 lbs
12,000 lbs
12,000 lbs
12,000 lbs
12,000 lbs
12,000 lbs
12,000 lbs
12,000 lbs
Payload
3,639 pounds
3,639 pounds
3,796 pounds
3,639 pounds
3,639 pounds
3,796 pounds
3,796 pounds
3,796 pounds
Body StylesPickupPickupPickupPickupPickupPickupPickupPickup
Engine
V8, 6.0 Liter
V8, 6.0 Liter
V8, 6.0 Liter
V8, 6.0 Liter
V8, 6.0 Liter
V8, 6.6L Turbo Dsl
V8, 6.6L Turbo Dsl
V8, 6.6L Turbo Dsl
Curb Weight
5,561 pounds
5,561 pounds
5,404 pounds
5,561 pounds
5,561 pounds
5,404 pounds
5,404 pounds
5,404 pounds
Emergency & Security Services
Standard
Optional
Not Available
Optional
Not Available
Standard
Optional
Optional
Child Seat Anchors
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Child Door Locks
Standard
Standard
Optional
Optional
Optional
Standard
Optional
Standard
Cruise Control
Standard
Standard
Optional
Standard
Optional
Standard
Standard
Standard
Navigation System
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Hands Free Phone
Standard
Optional
Not Available
Optional
Not Available
Standard
Optional
Optional
Cruise Control
Standard
Standard
Optional
Standard
Optional
Standard
Standard
Standard
Torque
360 @ 4400 RPM
360 @ 4400 RPM
360 @ 4400 RPM
360 @ 4400 RPM
360 @ 4400 RPM
605 @ 3000 RPM
605 @ 3000 RPM
605 @ 3000 RPM
Leather Seats
Standard
Optional
Optional
Optional
Optional
Standard
Optional
Optional
Dual Power Front Seats
Standard
Optional
Optional
Optional
Optional
Standard
Optional
Optional
Power Driver's Seat
Standard
Optional
Optional
Optional
Optional
Standard
Optional
Optional
Power Windows
Standard
Standard
Optional
Optional
Optional
Standard
Optional
Standard
Tilt Steering Wheel
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Alloy Wheels
Standard
Optional
Optional
Optional
Optional
Standard
Optional
Optional
Roof Rails
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Optional
Drivetrain
2WD
2WD
2WD
2WD
4WD
4WD
4WD
4WD
Recommended Fuel
Regular
Regular
Regular
Regular
Regular
Diesel
Diesel
Diesel
Transmission Type
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Automatic
Bed Length
8 feet
8 feet
6.5 feet
8 feet
8 feet
6.5 feet
6.5 feet
6.5 feet
Curb Weight
5561 pounds
5561 pounds
5404 pounds
5561 pounds
5561 pounds
5404 pounds
5404 pounds
5404 pounds
Fuel Capacity
34 gallons
34 gallons
26 gallons
34 gallons
34 gallons
26 gallons
26 gallons
26 gallons
Front Head Room
41 inches
41 inches
41 inches
41 inches
41 inches
41 inches
41 inches
41 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
Minimum Ground Clearance
7.4 inches
7.4 inches
7.4 inches
7.4 inches
7.4 inches
7.4 inches
7.4 inches
7.4 inches
Overall Length
246.6 inches
246.6 inches
227.7 inches
246.6 inches
246.6 inches
227.7 inches
227.7 inches
227.7 inches
Payload Capacity
3639 pounds
3639 pounds
3796 pounds
3639 pounds
3639 pounds
3796 pounds
3796 pounds
3796 pounds
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
Truck Bed Volume
74 feet
74 feet
59 feet
74 feet
74 feet
59 feet
59 feet
59 feet
Turning Diameter
50.8 feet
50.8 feet
46.8 feet
50.8 feet
50.8 feet
46.8 feet
46.8 feet
46.8 feet
Wheel Base
157.5 inches
157.5 inches
143.5 inches
157.5 inches
157.5 inches
143.5 inches
143.5 inches
143.5 inches
Width with mirrors
79.7 inches
79.7 inches
79.7 inches
79.7 inches
79.7 inches
79.7 inches
79.7 inches
79.7 inches

FAQs

Does the 2005 GMC Sierra 2500 HD Extended Cab have a turbo?

Yes, the following 2005 Sierra 2500 HD Extended Cab trims have turbo engines: SLT Pickup 4D 6 1/2 ft with a V8, 6.6L Turbo Dsl, Pickup 4D 6 1/2 ft with a V8, 6.6L Turbo Dsl, etc. The following 2005 Sierra 2500 HD Extended Cab trims do not have turbo engines: SLT Pickup 4D 8 ft with a V8, 6.0 Liter, SLE Pickup 4D 8 ft with a V8, 6.0 Liter, etc. For a more detailed look at the 2005 Sierra 2500 HD Extended Cab specs, features and options check out Kelley Blue Book's 2005 GMC Sierra 2500 HD Extended Cab specs page.

Is the GMC Sierra 2500 HD Extended Cab underpowered?

It depends on your definition of underpowered. The 2005 Sierra 2500 HD Extended Cab ranges in power from the SLT Pickup 4D 8 ft with 300 horsepower to the SLE Pickup 4D 6 1/2 ft with 310 horsepower. For a more detailed look at the 2005 Sierra 2500 HD Extended Cab specs, features and options check out Kelley Blue Book's 2005 GMC Sierra 2500 HD Extended Cab specs page.

How much horsepower does a 2005 Sierra 2500 HD Extended Cab have?

The 2005 Sierra 2500 HD Extended Cab ranges in power from the SLT Pickup 4D 8 ft with 300 horsepower to the SLE Pickup 4D 6 1/2 ft with 310 horsepower. For a more detailed look at the 2005 Sierra 2500 HD Extended Cab specs, features and options check out Kelley Blue Book's 2005 GMC Sierra 2500 HD Extended Cab specs page.

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