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 | — |
Chevrolet Silverado 2500 HD vs GMC Sierra 1500 HD FAQ
- Which is better: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- It depends on priorities. OpenDealer compares 2026 Chevrolet Silverado 2500 HD vs 2006 GMC Sierra 1500 HD on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- Based on starting MSRP, the 2006 GMC Sierra 1500 HD starts lower at $29,745.
- Which has better startingMsrp: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- The 2006 GMC Sierra 1500 HD leads on startingMsrp in this comparison (29,745).
- Which has better combinedMpg: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- The 2006 GMC Sierra 1500 HD leads on combinedMpg in this comparison (15).
- Which has better horsepower: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- The 2026 Chevrolet Silverado 2500 HD leads on horsepower in this comparison (401).
- Which has better maxTowingLbs: 2026 Chevrolet Silverado 2500 HD or 2006 GMC Sierra 1500 HD?
- The 2026 Chevrolet Silverado 2500 HD leads on maxTowingLbs in this comparison (20,000).