GMC Sierra 2500 HD vs GMC Sierra 3500 Classic
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2007 GMC Sierra 3500 Classic
Overview
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 ClassicWork 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 | 2007 |
Pricing & market
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 ClassicWork Truck |
|---|---|---|
| MSRP | $46,700 | $23,585 (best) |
| For sale now | 0 | 0 |
Fuel economy & range
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 ClassicWork Truck |
|---|---|---|
| Fuel tank | 36 gal (best) | 34 gal |
Performance
| Spec | GMC Sierra 2500 HDPro | GMC Sierra 3500 ClassicWork 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 3500 ClassicWork 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 3500 ClassicWork 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 Classic |
|---|---|---|
| 1 | Pro $46,700 MSRP(Currently comparing) | Work Truck $23,585 MSRP(Currently comparing) |
| 2 | Pro $48,600 MSRP | Work Truck $26,875 MSRP |
| 3 | Pro $48,800 MSRP | Work Truck $27,535 MSRP |
| 4 | Pro $50,400 MSRP | Work Truck $29,115 MSRP |
| 5 | Pro $50,600 MSRP | Work Truck $29,530 MSRP |
| 6 | Pro $49,500 MSRP | Work Truck $26,815 MSRP |
| 7 | Pro $51,400 MSRP | Work Truck $27,060 MSRP |
| 8 | Pro $51,600 MSRP | Work Truck $29,605 MSRP |
| 9 | Pro $53,200 MSRP | Work Truck $30,505 MSRP |
| 10 | Pro $53,400 MSRP | Work Truck $31,845 MSRP |
| 11 | SLE $53,500 MSRP | Work Truck $32,495 MSRP |
| 12 | SLE $55,600 MSRP | SL1 $24,775 MSRP |
| 13 | SLE $55,800 MSRP | SL1 $28,260 MSRP |
| 14 | SLE $57,400 MSRP | SL1 $28,980 MSRP |
| 15 | SLE $57,600 MSRP | SL1 $30,500 MSRP |
| 16 | SLT $64,700 MSRP | SL1 $30,975 MSRP |
| 17 | SLT $65,000 MSRP | SL1 $28,160 MSRP |
| 18 | AT4 $71,600 MSRP | SL1 $28,355 MSRP |
| 19 | AT4 $71,800 MSRP | SL1 $30,990 MSRP |
| 20 | Denali $75,000 MSRP | SL1 $31,945 MSRP |
| 21 | Denali $75,200 MSRP | SL1 $33,230 MSRP |
| 22 | AT4X $83,700 MSRP | SL1 $33,945 MSRP |
| 23 | Denali Ultimate $93,800 MSRP | SLE1 $26,285 MSRP |
| 24 | Denali Ultimate $94,100 MSRP | SLE1 $29,925 MSRP |
| 25 | — | SLE1 $30,450 MSRP |
| 26 | — | SLE1 $32,040 MSRP |
| 27 | — | SLE1 $32,380 MSRP |
| 28 | — | SLE1 $29,485 MSRP |
| 29 | — | SLE1 $29,735 MSRP |
| 30 | — | SLE1 $32,560 MSRP |
| 31 | — | SLE1 $33,450 MSRP |
| 32 | — | SLE1 $34,675 MSRP |
| 33 | — | SLE1 $35,345 MSRP |
| 34 | — | SLE2 $31,780 MSRP |
| 35 | — | SLE2 $32,085 MSRP |
| 36 | — | SLE2 $34,055 MSRP |
| 37 | — | SLE2 $34,175 MSRP |
| 38 | — | SLE2 $34,420 MSRP |
| 39 | — | SLE2 $35,280 MSRP |
| 40 | — | SLE2 $36,690 MSRP |
| 41 | — | SLE2 $37,335 MSRP |
| 42 | — | SLT $33,085 MSRP |
| 43 | — | SLT $33,430 MSRP |
| 44 | — | SLT $35,360 MSRP |
| 45 | — | SLT $35,520 MSRP |
| 46 | — | SLT $35,775 MSRP |
| 47 | — | SLT $36,635 MSRP |
| 48 | — | SLT $38,045 MSRP |
| 49 | — | SLT $38,690 MSRP |
GMC Sierra 2500 HD vs GMC Sierra 3500 Classic FAQ
- Which is better: 2026 GMC Sierra 2500 HD or 2007 GMC Sierra 3500 Classic?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 2500 HD vs 2007 GMC Sierra 3500 Classic 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 2007 GMC Sierra 3500 Classic?
- Based on starting MSRP, the 2007 GMC Sierra 3500 Classic starts lower at $23,585.
- Which has better startingMsrp: 2026 GMC Sierra 2500 HD or 2007 GMC Sierra 3500 Classic?
- The 2007 GMC Sierra 3500 Classic leads on startingMsrp in this comparison (23,585).
- Which has better horsepower: 2026 GMC Sierra 2500 HD or 2007 GMC Sierra 3500 Classic?
- The 2026 GMC Sierra 2500 HD leads on horsepower in this comparison (470).
- Which has better maxTowingLbs: 2026 GMC Sierra 2500 HD or 2007 GMC Sierra 3500 Classic?
- The 2026 GMC Sierra 2500 HD leads on maxTowingLbs in this comparison (20,000).