2003 GMC Sierra 2500HD Spec & Performance

Extended Cab SLT 4WD Specifications and Pricing

Engine Specifications
Engine
VORTEC 6000 V8 SFI
Horsepower
300 @ 4400 RPM
Torque
360 @ 4000 RPM
Engine
VORTEC 8100 V8 SFI
Horsepower
340 @ 4200 RPM
Torque
455 @ 3200 RPM
Engine
DURAMAX 6600 TURBO DIESEL V8
Horsepower
300 @ 3100 RPM
Torque
520 @ 1800 RPM
Max Towing Capacity
10,100 lbs
Drivetrain
Drivetrain
4-Wheel Drive
Transmission
4-Speed Automatic, Heavy-Duty, Electronically Controlled
Allison 1000 5-Speed Automatic, Electronically Controlled
MPG (Miles Per Gallon)
Fuel Tank Capacity, Approx
26 gal
Engine
VORTEC 6000 V8 SFI
Transmission
4-Speed Automatic, Heavy-Duty, Electronically Controlled
EPA Fuel Economy Est (MPG)
MPG estimates not available
Engine
VORTEC 8100 V8 SFI
Transmission
Allison 1000 5-Speed Automatic, Electronically Controlled
EPA Fuel Economy Est (MPG)
MPG estimates not available
Engine
DURAMAX 6600 TURBO DIESEL V8
Transmission
Allison 1000 5-Speed Automatic, Electronically Controlled
EPA Fuel Economy Est (MPG)
MPG estimates not available
Safety
Air Bag-Frontal-Driver
Air Bag-Frontal-Passenger
Air Bag-Passenger Switch (On/Off)
Brakes-ABS
Brakes-Type-4 Wheel DISC
Daytime Running Lights
Engine Immobilizer
Security System
Comfort & Convenience
Air Conditioning-Auto Climate Control
Air Conditioning-Front
Air Conditioning-Multi-Zone
Auto-Dimming Rearview Mirror
Cruise Control
Keyless Entry
Max Seating Capacity: 6
Mirror(s)-Power
Power Locks
Reading Lamps-Front
Seat Trim-Leather
Seat-Power Driver
Seats-Front Bench-Split
Steering Wheel-Adjustable
Steering Wheel-Audio Controls
Steering Wheel-Leather
Steering-Power
Windows-Power
Music & Entertainment
Audio-AM/FM Stereo
Audio-CD Player
Interior
Floor Mats
Power Outlet
Exterior
Doors: 2
Fog Lamps
Mirror(s)-Heated
Rear Window Defogger
Tow Hooks
Windows-Deep Tinted
Wipers-Intermittent
Tires
Front Tire Size: LT245/75R16
Rear Tire Size: LT245/75R16
Spare Tire Size: LT245/75R16
Wheels
Front Wheel Size (in): 16 x 6.5
Rear Wheel Size (in): 16 x 6.5
Front Wheel Material: Chrome
Rear Wheel Material: Chrome
Weight Information
Curb Weight
5,397 lbs
Gross Vehicle Weight Rating
9,200 lbs
Max Payload
3,803 lbs
Interior Specifications
Passenger Capacity
6
Front Head Room (in)
41.0
Front Leg Room (in)
41.3
Front Shoulder Room (in)
65.2
Front Hip Room (in)
61.4
Second Head Room (in)
38.4
Second Leg Room (in)
33.7
Second Shoulder Room (in)
66.3
Second Hip Room (in)
61.5
Exterior Specifications
Turning Diameter - Curb to Curb (ft)
46.8
Turning Diameter - Wall to Wall (ft)
- TBD -
Wheelbase (in)
143.5
Length, Overall w/o rear bumper (in)
227.7
Width, Max w/o mirrors (in)
79.7
Height, Overall (in)
76.2
Overhang, Front (in)
37.0
Overhang, Rear w/o bumper (in)
47.2
Front Bumper to Back of Cab (in)
138.6
Cab to Axle (in)
41.9
Cab to End of Frame (in)
- TBD -
Ground to Top of Load Floor (in)
- TBD -
Ground to Top of Frame (in)
- TBD -
Frame Width, Rear (in)
- TBD -
Ground Clearance, Front (in)
10.6
Ground Clearance, Rear (in)
13.6
Standard Warranty
Basic
3 years / 36,000 miles
Drivetrain
5 years / 36,000 miles
Drivetrain (Gas)
3 years / 36,000 miles
Drivetrain (Diesel)
5 years / 100,000 miles
Corrosion
6 years / 100,000 miles
Roadside Assistance
3 years / 36,000 miles
CPO Warranty
GMC Certified Pre-Owned Program Warranty Criteria and Details
Vehicle Certification Criteria
172-point inspection and reconditioning process
6 model years or newer
less than 75,000 miles
Warranty
Powertrain 5 years/100,000 miles limited warranty from original in-service date
Bumper-to-bumper 12 months/12,000 miles new-vehicel warranty extension after new-car warranty expires
CPO industry exclusive 2 years/30,000 miles standard maintenance plan
Roadside assistance and 24/7 courtesy transportation
Vehicle History Report Provided
Yes
Deductible
No
Transferrable
Yes $0
Dealer Return/Exchange
3 days/150 miles customer satisfaction guarantee

J.D.Power Rating

Overall Performance and Design Not Available
Comfort
Not Available
Features and Instrument Panel
Not Available
Style
Not Available
Performance
Not Available


Search car listings & find the right car for you
Click here for 2003 GMC Sierra 2500HD Extended Cab SLT 4WD local listings
Vehicle History Report
Get answers to buy with confidence. Save when you purchase multiple reports.
  • Check whether an accident has been reported on the vehicle
  • Check for severe damage, salvage, and theft
Vehicle Identification Number

Car Buying and Selling Resources

GMCs for Sale
Find 2003 GMC Sierra 2500HD listings near you.
Car Selling Services
List your car in minutes on AutoTrader.com.
Free Dealer Price Quotes
Get free quotes from dealers near you.
New & Used Auto Loans
Compare real, custom loan offers from multiple lenders in minutes!
Official loan marketplace source of NADAguides.com
Insurance Quote
Get a free insurance quote provided by GEICO and save 15% or more.
Auto Refinance
Is your car payment as low as it should be?


J.D. Power Rating Legend
Among the Best
5 / 5
Better than Most
4 / 5
About Average
3 / 5
The Rest
2 / 5

* The J.D. Power Ratings are calculated based on the range between the car manufacturer or car model with the highest score and the car manufacturer or car model with the lowest score. J.D. Power generates a rating of a five, four, three, or two. If there is insufficient data to calculate a rating, “Not Available” is used in its place.

J.D. Power Ratings may not include all information used to determine J.D. Power awards, visit the Car Ratings page to learn more about awards and ratings.