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 | $45,900 | $29,745 (best) |
| Lowest listing price | $26,394 (best) | — |
| Median listing price | $69,223 (best) | — |
| Highest listing price | $84,184 (best) | — |
| For sale now | 16 (best) | 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 $45,900 MSRP(Currently comparing) | SLE1 $29,745 MSRP(Currently comparing) |
| 2 | Work Truck $47,600 MSRP | SLE1 $33,115 MSRP |
| 3 | Work Truck $47,800 MSRP | SLE2 $31,405 MSRP |
| 4 | Work Truck $49,400 MSRP | SLE2 $34,640 MSRP |
| 5 | Work Truck $49,600 MSRP | SLT $33,330 MSRP |
| 6 | Work Truck $48,700 MSRP | SLT $36,525 MSRP |
| 7 | Work Truck $50,400 MSRP | — |
| 8 | Work Truck $50,600 MSRP | — |
| 9 | Work Truck $52,200 MSRP | — |
| 10 | Work Truck $52,400 MSRP | — |
| 11 | Custom $49,200 MSRP | — |
| 12 | Custom $49,400 MSRP | — |
| 13 | Custom $51,000 MSRP | — |
| 14 | Custom $51,200 MSRP | — |
| 15 | Custom $52,000 MSRP | — |
| 16 | Custom $52,200 MSRP | — |
| 17 | Custom $53,800 MSRP | — |
| 18 | Custom $54,000 MSRP | — |
| 19 | LT $52,600 MSRP | — |
| 20 | LT $54,600 MSRP | — |
| 21 | LT $54,800 MSRP | — |
| 22 | LT $56,400 MSRP | — |
| 23 | LT $56,600 MSRP | — |
| 24 | LTZ $63,300 MSRP | — |
| 25 | LTZ $63,500 MSRP | — |
| 26 | ZR2 $73,200 MSRP | — |
| 27 | High Country $73,600 MSRP | — |
| 28 | High Country $73,800 MSRP | — |
Live inventory
Chevrolet Silverado 2500 HD16 for sale
See all
New2026 Chevrolet Silverado 2500 HD
ZR2
Black•Jet Black/Graystone, Perforated Leather Seat TrimN/A$81,598MSRP $86,580Jay Hatfield Chevrolet of Vinita
Vinita, OK
New2026 Chevrolet Silverado 2500 HD
Custom
White Sands•Jet Black, Cloth Seat TrimN/A$67,072MSRP $70,840Jay Hatfield Chevrolet of Pittsburg
Frontenac, KS
New2026 Chevrolet Silverado 2500 HD
LTZ
Radiant Red Tintcoat•Jet Black, Perforated Leather-Appointed Front Outboard Seat TrimN/A$82,247MSRP $87,560Jay Hatfield Chevrolet of Pittsburg
Frontenac, KS
New2026 Chevrolet Silverado 2500 HD
Custom
Sterling Gray Metallic•Jet Black, Cloth Seat TrimN/A$67,072MSRP $70,840Jay Hatfield Chevrolet of Pittsburg
Frontenac, KS
New2026 Chevrolet Silverado 2500 HD
LT
Summit White•Jet Black, Leather-Appointed Front Outboard Seat Trim10 mi$72,539MSRP $78,140Jay Hatfield Chevrolet Chanute
Chanute, KS
New2026 Chevrolet Silverado 2500 HD
LT
Lakeshore Blue Metallic•Jet Black, Cloth Seat TrimN/A$70,459Jay Hatfield Chevrolet of Pittsburg
Frontenac, KS
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. Live Chevrolet Silverado 2500 HD listings start at $26,394.
- 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).