Chevrolet Silverado 2500 HD vs GMC Sierra 1500 HD
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2006 GMC Sierra 1500 HD
Overview
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| Selected trim | Work Truck | SLE1 |
| Body style | Truck (Regular Cab) | Truck (Crew Cab) |
| Drivetrain | rear wheel drive | rear wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 10-speed shiftable automatic | 4-speed automatic |
| Engine type | gas | gas |
| Model year | 2026 | 2006 |
Pricing & market
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| MSRP | $45,600 | $29,745 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| Combined MPG | — | 15 MPG (best) |
| City MPG | — | 13 MPG (best) |
| Highway MPG | — | 18 MPG (best) |
| Fuel tank | 36 gal (best) | 26 gal |
Performance
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| Horsepower | 401 hp (best) | 300 hp |
| Torque | 464 lb-ft (best) | 360 lb-ft |
| Engine size | 6.6 L (best) | 6 L |
| Cylinders | V8 | V8 |
Size & capability
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| Seating | 3 seats | 6 seats (best) |
| Doors | 2 | 4 (best) |
| Towing capacity | 14,500 lbs (best) | 10,200 lbs |
| Payload | 3,759 lbs (best) | 3,129 lbs |
| Curb weight | 6,203 lbs | 5,471 lbs (best) |
| Ground clearance | 10.2 in (best) | 7.4 in |
| Wheelbase | 142 in | 153 in (best) |
| Length | 235.6 in | 239.7 in (best) |
| Width | 81.8 in (best) | 79.7 in |
| Height | 79.9 in (best) | 77 in |
Safety & recalls
| Spec | Chevrolet Silverado 2500 HDWork Truck | GMC Sierra 1500 HDSLE1 |
|---|---|---|
| Open recalls (YMM scope) | None reported | None reported |
Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.
Trim overview
All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.
| Trim | Chevrolet Silverado 2500 HD | GMC Sierra 1500 HD |
|---|---|---|
| 1 | Work Truck $45,600 MSRP(Currently comparing) | SLE1 $29,745 MSRP(Currently comparing) |
| 2 | Work Truck $47,300 MSRP | SLE1 $33,115 MSRP |
| 3 | Work Truck $47,500 MSRP | SLE2 $31,405 MSRP |
| 4 | Work Truck $49,100 MSRP | SLE2 $34,640 MSRP |
| 5 | Work Truck $49,300 MSRP | SLT $33,330 MSRP |
| 6 | Work Truck $48,400 MSRP | SLT $36,525 MSRP |
| 7 | Work Truck $50,100 MSRP | — |
| 8 | Work Truck $50,300 MSRP | — |
| 9 | Work Truck $51,900 MSRP | — |
| 10 | Work Truck $52,100 MSRP | — |
| 11 | Custom $48,800 MSRP | — |
| 12 | Custom $49,000 MSRP | — |
| 13 | Custom $50,600 MSRP | — |
| 14 | Custom $50,800 MSRP | — |
| 15 | Custom $51,600 MSRP | — |
| 16 | Custom $51,800 MSRP | — |
| 17 | Custom $53,400 MSRP | — |
| 18 | Custom $53,600 MSRP | — |
| 19 | LT $52,200 MSRP | — |
| 20 | LT $54,200 MSRP | — |
| 21 | LT $54,400 MSRP | — |
| 22 | LT $56,000 MSRP | — |
| 23 | LT $56,200 MSRP | — |
| 24 | LTZ $62,900 MSRP | — |
| 25 | LTZ $63,100 MSRP | — |
| 26 | ZR2 $72,800 MSRP | — |
| 27 | High Country $73,200 MSRP | — |
| 28 | High Country $73,400 MSRP | — |