2003 GMC Sierra 2500 Specs, Features & Options
Here's everything you need to know about each trim in the 2003 GMC Sierra 2500 lineup. Compare pricing, specs, key features and more.
Save 1 of 21  Sierra 2500 HD Regular Cab Pickup 2D 8 ft | Save 2 of 21  Sierra 2500 HD Regular Cab Work Truck Pickup 2D 8 ft | Save 3 of 21 Sierra 2500 HD Regular Cab SLE Pickup 2D 8 ft | Save 4 of 21  Sierra 2500 HD Extended Cab Pickup 4D 8 ft | Save 5 of 21 Sierra 2500 Regular Cab Pickup 2D 8 ft | Save 6 of 21 Sierra 2500 HD Extended Cab SLE Pickup 4D 8 ft | Save 7 of 21 Sierra 2500 HD Extended Cab SLT Pickup 4D 8 ft | Save 8 of 21  Sierra 2500 Regular Cab Work Truck Pickup 2D 8 ft | Save 9 of 21 Sierra 2500 Regular Cab SLE Pickup 2D 8 ft | Save 10 of 21  Sierra 2500 Extended Cab Pickup 4D 6 1/2 ft | Save 11 of 21 Sierra 2500 HD Extended Cab Pickup 4D 6 1/2 ft | Save 12 of 21 Sierra 2500 HD Extended Cab SLE Pickup 4D 6 1/2 ft | Save 13 of 21 Sierra 2500 HD Extended Cab SLT Pickup 4D 6 1/2 ft | Save 14 of 21 Sierra 2500 Extended Cab SLE Pickup 4D 6 1/2 ft | Save 15 of 21  Sierra 2500 HD Crew Cab Pickup 4D 8 ft | Save 16 of 21 Sierra 2500 HD Crew Cab SLT Pickup 4D 8 ft | Save 17 of 21 Sierra 2500 HD Crew Cab SLE Pickup 4D 8 ft | Save 18 of 21 Sierra 2500 HD Crew Cab Pickup 4D 6 1/2 ft | Save 19 of 21 Sierra 2500 Extended Cab SLT Pickup 4D 6 1/2 ft | Save 20 of 21 Sierra 2500 HD Crew Cab SLE Pickup 4D 6 1/2 ft | Save 21 of 21 Sierra 2500 HD Crew Cab SLT Pickup 4D 6 1/2 ft | |||
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| Fair Market Price | $5,300 | $5,425 | $5,750 | $6,050 | $6,475 | $6,575 | $6,575 | $6,875 | $8,275 | $8,350 | $8,475 | $9,050 | $9,050 | $9,125 | $9,825 | $10,150 | $10,450 | $10,550 | $10,700 | $11,200 | $11,200 | ||
| Fuel Type | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Diesel | Diesel | Diesel | Gas | Diesel | Gas | Diesel | Diesel | Gas | Diesel | Diesel | ||
| Horsepower | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 4400 RPM | 300 @ 3100 RPM | 300 @ 3100 RPM | 300 @ 3100 RPM | 300 @ 4400 RPM | 300 @ 3100 RPM | 340 @ 4200 RPM | 300 @ 3100 RPM | 300 @ 3100 RPM | 300 @ 4400 RPM | 300 @ 3100 RPM | 300 @ 3100 RPM | ||
| Torque | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 360 lb-ft | 520 lb-ft | 520 lb-ft | 520 lb-ft | 360 lb-ft | 520 lb-ft | 455 lb-ft | 520 lb-ft | 520 lb-ft | 360 lb-ft | 520 lb-ft | 520 lb-ft | ||
| Towing Capacity | 12,000 lbs | 12,000 lbs | 12,000 lbs | 12,000 lbs | 10,700 lbs | 12,000 lbs | 12,000 lbs | 10,700 lbs | 10,700 lbs | 10,200 lbs | 12,000 lbs | 12,000 lbs | 12,000 lbs | 10,200 lbs | 12,000 lbs | 12,000 lbs | 12,000 lbs | 12,000 lbs | 10,200 lbs | 12,000 lbs | 12,000 lbs | ||
| Payload | 3,760 pounds | 3,760 pounds | 3,750 pounds | 3,372 pounds | 3,541 pounds | 3,372 pounds | 3,372 pounds | 3,541 pounds | 3,541 pounds | 3,076 pounds | 3,569 pounds | 3,569 pounds | 3,569 pounds | 3,076 pounds | 3,144 pounds | 3,144 pounds | 3,144 pounds | 3,308 pounds | 3,076 pounds | 3,308 pounds | 3,308 pounds | ||
| Body Styles | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | ||
| Engine | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, 6.0 Liter | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | V8, 6.0 Liter | V8, Turbo Diesel, 6.6L | V8, 8.1 Liter | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | V8, 6.0 Liter | V8, Turbo Diesel, 6.6L | V8, Turbo Diesel, 6.6L | ||
| Curb Weight | 5,153 pounds | 5,153 pounds | 5,153 pounds | 5,556 pounds | 5,059 pounds | 5,556 pounds | 5,556 pounds | 5,059 pounds | 5,059 pounds | 5,524 pounds | 5,402 pounds | 5,402 pounds | 5,402 pounds | 5,524 pounds | 5,779 pounds | 5,779 pounds | 5,779 pounds | 5,615 pounds | 5,524 pounds | 5,615 pounds | 5,615 pounds |
| Emergency & Security Services | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Child Seat Anchors | Not available | Not available | Not available | Standard | Not available | Standard | Standard | Not available | Not available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Door Locks | Not available | Not available | Not available | Optional | Not available | Standard | Standard | Not available | Not available | Standard | Optional | Standard | Standard | Standard | Optional | Standard | Standard | Optional | Standard | Standard | Standard |
| Cruise Control | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Navigation System | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Hands Free Phone | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Cruise Control | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Torque | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 360 @ 4400 RPM | 520 @ 3100 RPM | 520 @ 3100 RPM | 520 @ 3100 RPM | 360 @ 4400 RPM | 520 @ 3100 RPM | 455 @ 4200 RPM | 520 @ 3100 RPM | 520 @ 3100 RPM | 360 @ 4400 RPM | 520 @ 3100 RPM | 520 @ 3100 RPM |
| Leather Seats | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Dual Power Front Seats | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Power Driver's Seat | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Power Windows | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Tilt Steering Wheel | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Alloy Wheels | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional |
| Drivetrain | 4WD | 4WD | 4WD | 2WD | 2WD | 2WD | 2WD | 2WD | 2WD | 4WD | 4WD | 4WD | 4WD | 4WD | 2WD | 4WD | 2WD | 4WD | 4WD | 4WD | 4WD | ||
| Recommended Fuel | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Diesel | Diesel | Diesel | Not Available | Diesel | Not Available | Diesel | Diesel | Not Available | Diesel | Diesel | ||
| Transmission Type | Manual | Automatic | Manual | Automatic | Automatic | Automatic | Automatic | Automatic | Manual | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic |
| Bed Length | 8 feet | 8 feet | 8 feet | 8 feet | 8 feet | 8 feet | 8 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 6.5 feet | 6.5 feet | 6.5 feet | 8 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 6.5 feet | 6.5 feet | ||
| Curb Weight | 5153 pounds | 5153 pounds | 5153 pounds | 5556 pounds | 5059 pounds | 5556 pounds | 5556 pounds | 5059 pounds | 5059 pounds | 5524 pounds | 5402 pounds | 5402 pounds | 5402 pounds | 5524 pounds | 5779 pounds | 5779 pounds | 5779 pounds | 5615 pounds | 5524 pounds | 5615 pounds | 5615 pounds | ||
| Fuel Capacity | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 34 gallons | 26 gallons | 26 gallons | 26 gallons | 26 gallons | 26 gallons | 34 gallons | 34 gallons | 34 gallons | 26 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 | 41 inches | 41 inches | 41 inches | 41 inches | 41 inches | 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 | 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 | 41.3 inches | 41.3 inches | 41.3 inches | ||
| Minimum Ground Clearance | 9.1 inches | 9.1 inches | 9.1 inches | 9.1 inches | 6.9 inches | 9.1 inches | 9.1 inches | 6.9 inches | 6.9 inches | 7.8 inches | 9.1 inches | 9.1 inches | 9.1 inches | 7.8 inches | 9.1 inches | 9.1 inches | 9.1 inches | 9.1 inches | 7.8 inches | 9.1 inches | 9.1 inches | ||
| Overall Length | 222.1 inches | 222.1 inches | 222.1 inches | 246.6 inches | 222.1 inches | 246.6 inches | 246.6 inches | 222.1 inches | 222.1 inches | 227.7 inches | 227.7 inches | 227.7 inches | 227.7 inches | 227.7 inches | 256.1 inches | 256.1 inches | 256.1 inches | 237.2 inches | 227.7 inches | 237.2 inches | 237.2 inches | ||
| Payload Capacity | 3760 pounds | 3760 pounds | 3750 pounds | 3372 pounds | 3541 pounds | 3372 pounds | 3372 pounds | 3541 pounds | 3541 pounds | 3076 pounds | 3569 pounds | 3569 pounds | 3569 pounds | 3076 pounds | 3144 pounds | 3144 pounds | 3144 pounds | 3308 pounds | 3076 pounds | 3308 pounds | 3308 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 | 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 | 65.2 inches | 65.2 inches | 65.2 inches | ||
| Truck Bed Volume | 71 feet | 71 feet | 71 feet | 71 feet | 71 feet | 71 feet | 71 feet | 71 feet | 71 feet | 56 feet | 56 feet | 56 feet | 56 feet | 56 feet | 71 feet | 71 feet | 71 feet | 57 feet | 56 feet | 57 feet | 57 feet | ||
| Turning Diameter | 43.8 feet | 43.8 feet | 43.8 feet | 50.8 feet | 45.3 feet | 50.8 feet | 50.8 feet | 45.3 feet | 45.3 feet | 48.4 feet | 46.8 feet | 46.8 feet | 46.8 feet | 48.4 feet | 53.6 feet | 53.6 feet | 53.6 feet | 49.6 feet | 48.4 feet | 49.6 feet | 49.6 feet | ||
| Wheel Base | 133 inches | 133 inches | 133 inches | 157.5 inches | 133 inches | 157.5 inches | 157.5 inches | 133 inches | 133 inches | 143.5 inches | 143.5 inches | 143.5 inches | 143.5 inches | 143.5 inches | 167 inches | 167 inches | 167 inches | 153 inches | 143.5 inches | 153 inches | 153 inches | ||
| Width with mirrors | 79.7 inches | 79.7 inches | 79.7 inches | 79.7 inches | 78.5 inches | 79.7 inches | 79.7 inches | 78.5 inches | 78.5 inches | 78.5 inches | 79.7 inches | 79.7 inches | 79.7 inches | 78.5 inches | 79.7 inches | 79.7 inches | 79.7 inches | 79.7 inches | 78.5 inches | 79.7 inches | 79.7 inches |
FAQs
Does the 2003 GMC Sierra 2500 have a turbo?
Yes, the following 2003 Sierra 2500 trims have turbo engines: Pickup 4D 6 1/2 ft with a V8, Turbo Diesel, 6.6L, SLE Pickup 4D 6 1/2 ft with a V8, Turbo Diesel, 6.6L, etc. The following 2003 Sierra 2500 trims do not have turbo engines: Pickup 2D 8 ft with a V8, 6.0 Liter, Work Truck Pickup 2D 8 ft with a V8, 6.0 Liter, etc.
Is the GMC Sierra 2500 underpowered?
It depends on your definition of underpowered. The 2003 Sierra 2500 ranges in power from the Pickup 2D 8 ft with 300 horsepower to the SLT Pickup 4D 8 ft with 340 horsepower.
How much horsepower does a 2003 Sierra 2500 have?
The 2003 Sierra 2500 ranges in power from the Pickup 2D 8 ft with 300 horsepower to the SLT Pickup 4D 8 ft with 340 horsepower.
All 2003 GMC Sierra 2500 Trims and Styles
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