Recent Articles
Popular Makes
Body Types
- Home
- GMC
- Sierra 2500HD
- 2008 GMC Sierra 2500HD
2008 GMC Sierra 2500HD
$24,460 - $40,540Starting MSRP
Model Highlights
Transmission
HD Automatic w/OD
Body Type
Truck
Seatings
5 Seats
Overview
The 2008 GMC Sierra lineup consists of the 1500, 2500HD, 3500HD, and the luxurious Denali. The 1500 is the half-ton pickup suitable for personal use, while the Denali gets its own 403-horsepower 6.2L aluminum V8 engine. In between lie the trucks...
What’s new in the 2008 model?
The GMC Sierra 2500HD and 3500HD, one year off of a complete redesign, get XM satellite radio standard for 2008, and Dark Crimson and Sonoma Red me...
Looking for alternatives to the GMC Sierra 2500HD?
Start Comparing NowSpecs
Engine Order Code: LY6
Engine Type: Gas V8
Displacement: 6.0L/366
Fuel System: SFI
SAE Net Horsepower @ RPM: 353 @ 5400
SAE Net Torque @ RPM: 373 @ 4400
Engine Oil Cooler: Yes
Drivetrain: 4-Wheel Drive
Trans Order Code: MYD
Trans Type: 6
Trans Description Cont.: HD Automatic w/OD
Trans Description Cont. Again:
First Gear Ratio (:1): 4.03
Second Gear Ratio (:1): 2.36
Third Gear Ratio (:1): 1.53
Fourth Gear Ratio (:1): 1.15
Fifth Gear Ratio (:1): 0.85
Sixth Gear Ratio (:1): 0.67
Reverse Ratio (:1): 3.06
Clutch Size (in):
Trans Power Take Off:
Trans PTO Access:
Transfer Case Model: - TBD -
Transfer Case Gear Ratio (:1), High: - TBD -
Transfer Case Gear Ratio (:1), Low: - TBD -
Transfer Case Power Take Off:
EPA Fuel Economy Est - City (MPG):
EPA Fuel Economy Est - Hwy (MPG):
Cold Cranking Amps @ 0° F (Primary): 600
Cold Cranking Amps @ 0° F (2nd):
Maximum Alternator Capacity (amps): 125
Maximum Alternator Watts:
Total Cooling System Capacity (qts): 16.6
Gross Axle Wt Rating - Front (lbs): 4200
Gross Axle Wt Rating - Rear (lbs): 6084
Curb Weight - Front (lbs): 3460
Curb Weight - Rear (lbs): 2527
Gross Vehicle Weight Rating Cap (lbs): 9200
Gross Combined Wt Rating (lbs): 18500
Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
Dead Weight Hitch - Max Tongue Wt. (lbs): 500
Wt Distributing Hitch - Max Trailer Wt. (lbs): 9600
Wt Distributing Hitch - Max Tongue Wt. (lbs): 1440
Fifth Wheel Hitch - Max Trailer Wt. (lbs): 9600
Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2400
Suspension Type - Front: Independent
Suspension Type - Rear: 2-Stage Multi-Leaf
Spring Capacity - Front (lbs): 4800
Spring Capacity - Rear (lbs): 6084
Axle Type - Front: Independent
Axle Type - Rear: Full Floating
Axle Capacity - Front (lbs): 4800
Axle Capacity - Rear (lbs): 6900
Axle Ratio (:1) - Front: 3.73
Axle Ratio (:1) - Rear: 3.73
Shock Absorber Diameter - Front (mm): 35
Shock Absorber Diameter - Rear (mm): 35
Stabilizer Bar Diameter - Front (in): 1.42
Stabilizer Bar Diameter - Rear (in):
Brake Type: Pwr
Brake ABS System: 4-Wheel
Brake ABS System (Second Line):
Disc - Front (Yes or ): Yes
Disc - Rear (Yes or ): Yes
Front Brake Rotor Diam x Thickness (in): 13.0 x 1.8
Rear Brake Rotor Diam x Thickness (in): 13.5 x 0.79
Drum - Rear (Yes or ):
Rear Drum Diam x Width (in):
Front Tire Order Code: QXT
Rear Tire Order Code: QXT
Spare Tire Order Code: ZER
Front Tire Size: LT265/70R17E
Rear Tire Size: LT265/70R17E
Spare Tire Size: LT265/75R16E
Front Tire Capacity (lbs): 2470
Rear Tire Capacity (lbs): 3043
Spare Tire Capacity (lbs): - TBD -
Revolutions/Mile @ 45 mph - Front: - TBD -
Revolutions/Mile @ 45 mph - Rear: - TBD -
Revolutions/Mile @ 45 mph - Spare: - TBD -
Front Wheel Size (in): 17 x 7.5
Rear Wheel Size (in): 17 x 7.5
Spare Wheel Size (in): 16 x - TBD -
Front Wheel Material: Aluminum
Rear Wheel Material: Aluminum
Spare Wheel Material: Steel
Steering Type: Pwr
Steering Ratio (:1), On Center: - TBD -
Steering Ratio (:1), At Lock: - TBD -
Turning Diameter - Curb to Curb (ft): 55.1
Turning Diameter - Wall to Wall (ft): - TBD -
Frame Type: Hydroformed
Fuel Tank Capacity, Approx (gal): 34
Aux Fuel Tank Capacity, Approx (gal):
Fuel Tank Location: - TBD -
Aux Fuel Tank Location:
Wheelbase (in): 167.0
Length, Overall w/o rear bumper (in): 258.7
Width, Max w/o mirrors (in): 80.0
Height, Overall (in): 76.9
Overhang, Front (in): 39.4
Overhang, Rear w/o bumper (in): - TBD -
Front Bumper to Back of Cab (in): 150.9
Cab to Axle (in): 55.5
Cab to End of Frame (in): - TBD -
Ground to Top of Load Floor (in): 36.8
Ground to Top of Frame (in): - TBD -
Frame Width, Rear (in): - TBD -
Ground Clearance, Front (in): 9.5
Ground Clearance, Rear (in): 11.6
Cargo Box Length @ Floor (in): 97.8
Cargo Box Width @ Top, Rear (in): - TBD -
Cargo Box Width @ Floor (in): 62.5
Cargo Box Width @ Wheelhousings (in): 50.6
Cargo Box (Area) Height (in): 21.0
Tailgate Width (in): 61.6
Cargo Volume (ft³): 75.5
Ext'd Cab Cargo Volume (ft³): - TBD -
Passenger Capacity: 5
Front Head Room (in): 41.3
Front Leg Room (in): 41.3
Front Shoulder Room (in): 65.2
Front Hip Room (in): 62.5
Second Head Room (in): 40.6
Second Leg Room (in): 39.0
Second Shoulder Room (in): 65.2
Second Hip Room (in): 65.5
Vehicle Name: GMC Sierra 2500HD
Body Style: Crew Cab 8' Fleetside
Body Code: E63
Pricing
This model has 36 different trims.
MSRP
$40,540
Invoice
$37,094
Description
6.0L/366, 353 @ 5400, HD Automatic w/OD
Fuel Economy
This model has 36 different trims.
City
undefined MPG
Hwy
undefined MPG
Combined
undefined MPG
Description
6.0L/366, 353 @ 5400, HD Automatic w/OD
Trending Related Articles
Get a Free Online Car Quote
Car of the Day
Resources
©2025 AutoWeb, Inc. All Rights Reserved.
Some content provided by and under copyright by Autodata, Inc. dba Chrome Data. © 1986-2025.