GMC Sierra 2500 HD vs GMC Sierra 3500
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2006 GMC Sierra 3500
Overview
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| Selected trim | Pro | Work Truck |
| Body style | Truck (Regular Cab) | Truck (Regular 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 | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| MSRP | $46,700 | $23,185 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| Fuel tank | 36 gal (best) | 34 gal |
Performance
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| 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 | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| Seating | 3 seats | 3 seats |
| Doors | 2 | 2 |
| Towing capacity | 14,500 lbs (best) | 12,000 lbs |
| Payload | 3,689 lbs | 4,658 lbs (best) |
| Curb weight | 6,267 lbs | 4,942 lbs (best) |
| Ground clearance | 10.2 in | 10.6 in (best) |
| Wheelbase | 142 in (best) | 133 in |
| Length | 236.3 in (best) | 224.5 in |
| Width | 81.8 in (best) | 79.7 in |
| Height | 79.9 in (best) | 76.7 in |
Safety & recalls
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500Work Truck |
|---|---|---|
| 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 | GMC Sierra 2500 HD | GMC Sierra 3500 |
|---|---|---|
| 1 | Pro $46,700 MSRP(Currently comparing) | Work Truck $23,185 MSRP(Currently comparing) |
| 2 | Pro $48,600 MSRP | Work Truck $26,475 MSRP |
| 3 | Pro $48,800 MSRP | Work Truck $27,135 MSRP |
| 4 | Pro $50,400 MSRP | Work Truck $28,715 MSRP |
| 5 | Pro $50,600 MSRP | Work Truck $29,130 MSRP |
| 6 | Pro $49,500 MSRP | Work Truck $26,465 MSRP |
| 7 | Pro $51,400 MSRP | Work Truck $26,710 MSRP |
| 8 | Pro $51,600 MSRP | Work Truck $29,255 MSRP |
| 9 | Pro $53,200 MSRP | Work Truck $30,155 MSRP |
| 10 | Pro $53,400 MSRP | Work Truck $31,495 MSRP |
| 11 | SLE $53,500 MSRP | Work Truck $32,145 MSRP |
| 12 | SLE $55,600 MSRP | SL1 $24,420 MSRP |
| 13 | SLE $55,800 MSRP | SL1 $27,905 MSRP |
| 14 | SLE $57,400 MSRP | SL1 $28,625 MSRP |
| 15 | SLE $57,600 MSRP | SL1 $30,130 MSRP |
| 16 | SLT $64,700 MSRP | SL1 $30,620 MSRP |
| 17 | SLT $65,000 MSRP | SL1 $27,855 MSRP |
| 18 | AT4 $71,600 MSRP | SL1 $28,050 MSRP |
| 19 | AT4 $71,800 MSRP | SL1 $30,690 MSRP |
| 20 | Denali $75,000 MSRP | SL1 $31,640 MSRP |
| 21 | Denali $75,200 MSRP | SL1 $32,925 MSRP |
| 22 | AT4X $83,700 MSRP | SL1 $33,640 MSRP |
| 23 | Denali Ultimate $93,800 MSRP | SLE1 $25,885 MSRP |
| 24 | Denali Ultimate $94,100 MSRP | SLE1 $29,525 MSRP |
| 25 | — | SLE1 $30,050 MSRP |
| 26 | — | SLE1 $31,640 MSRP |
| 27 | — | SLE1 $31,980 MSRP |
| 28 | — | SLE1 $29,135 MSRP |
| 29 | — | SLE1 $29,385 MSRP |
| 30 | — | SLE1 $32,210 MSRP |
| 31 | — | SLE1 $33,100 MSRP |
| 32 | — | SLE1 $34,325 MSRP |
| 33 | — | SLE1 $34,995 MSRP |
| 34 | — | SLE2 $31,255 MSRP |
| 35 | — | SLE2 $31,560 MSRP |
| 36 | — | SLE2 $33,530 MSRP |
| 37 | — | SLE2 $33,650 MSRP |
| 38 | — | SLE2 $33,945 MSRP |
| 39 | — | SLE2 $34,800 MSRP |
| 40 | — | SLE2 $36,215 MSRP |
| 41 | — | SLE2 $36,860 MSRP |
| 42 | — | SLT $32,735 MSRP |
| 43 | — | SLT $33,075 MSRP |
| 44 | — | SLT $35,010 MSRP |
| 45 | — | SLT $35,170 MSRP |
| 46 | — | SLT $35,425 MSRP |
| 47 | — | SLT $36,280 MSRP |
| 48 | — | SLT $37,695 MSRP |
| 49 | — | SLT $38,340 MSRP |
GMC Sierra 2500 HD vs GMC Sierra 3500 FAQ
- Which is better: 2026 GMC Sierra 2500 HD or 2006 GMC Sierra 3500?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 2500 HD vs 2006 GMC Sierra 3500 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
- Which costs less: 2026 GMC Sierra 2500 HD or 2006 GMC Sierra 3500?
- Based on starting MSRP, the 2006 GMC Sierra 3500 starts lower at $23,185.
- Which has better startingMsrp: 2026 GMC Sierra 2500 HD or 2006 GMC Sierra 3500?
- The 2006 GMC Sierra 3500 leads on startingMsrp in this comparison (23,185).
- Which has better horsepower: 2026 GMC Sierra 2500 HD or 2006 GMC Sierra 3500?
- The 2026 GMC Sierra 2500 HD leads on horsepower in this comparison (470).
- Which has better maxTowingLbs: 2026 GMC Sierra 2500 HD or 2006 GMC Sierra 3500?
- The 2026 GMC Sierra 2500 HD leads on maxTowingLbs in this comparison (20,000).