GMC Sierra 1500 vs HUMMER H3T
Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.
Vehicles
Vehicles
2010 HUMMER H3T
Overview
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| Selected trim | Pro | Base |
| Body style | Truck (Regular Cab) | Truck (Crew Cab) |
| Drivetrain | rear wheel drive | four wheel drive |
| Fuel type | regular unleaded | regular unleaded |
| Transmission | 8-speed shiftable automatic | 5-speed manual |
| Engine type | gas | gas |
| Model year | 2026 | 2010 |
Pricing & market
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| MSRP | $38,300 | $30,915 (best) |
| Lowest listing price | $498 (best) | — |
| Median listing price | $59,887 (best) | — |
| Highest listing price | $101,562 (best) | — |
| For sale now | 1,099 (best) | 0 |
Fuel economy & range
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| Combined MPG | 19 MPG (best) | 15 MPG |
| City MPG | 18 MPG (best) | 14 MPG |
| Highway MPG | 21 MPG (best) | 18 MPG |
| Fuel tank | 24 gal | 27 gal (best) |
Performance
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| Horsepower | 310 hp (best) | 239 hp |
| Torque | 430 lb-ft (best) | 241 lb-ft |
| Engine size | 2.7 L | 3.7 L (best) |
| Cylinders | I4 | I5 |
Size & capability
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| Seating | 3 seats | 5 seats (best) |
| Doors | 2 | 4 (best) |
| Cargo volume | — | 33.5 cu ft (best) |
| Towing capacity | 9,000 lbs (best) | 4,400 lbs |
| Payload | 2,230 lbs (best) | 1,090 lbs |
| Curb weight | 4,440 lbs (best) | 4,911 lbs |
| Ground clearance | 7.9 in | 9.5 in (best) |
| Wheelbase | 126 in | 134.2 in (best) |
| Length | 211 in | 212.7 in (best) |
| Width | 81.2 in (best) | 75 in |
| Height | 75.7 in (best) | 72.1 in |
Safety & recalls
| Spec | GMC Sierra 1500Pro | HUMMER H3TBase |
|---|---|---|
| NHTSA overall | 5 / 5 ★ (best) | — |
| Frontal crash (driver) | 5 / 5 ★ (best) | — |
| Frontal crash (passenger) | 5 / 5 ★ (best) | — |
| Side crash (driver) | 5 / 5 ★ (best) | — |
| Side crash (passenger) | Not Rated | — |
| Side pole | 5 / 5 ★ (best) | — |
| Rollover | 4 / 5 ★ (best) | — |
| Open recalls (YMM scope) | 2 | None reported (best) |
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 1500 | HUMMER H3T |
|---|---|---|
| 1 | Pro $38,300 MSRP(Currently comparing) | Base $30,915 MSRP(Currently comparing) |
| 2 | Pro $38,500 MSRP | Alpha $35,680 MSRP |
| 3 | Pro $41,600 MSRP | Alpha $39,205 MSRP |
| 4 | Pro $44,000 MSRP | — |
| 5 | Pro $42,900 MSRP | — |
| 6 | Pro $43,100 MSRP | — |
| 7 | Pro $44,900 MSRP | — |
| 8 | Pro $47,300 MSRP | — |
| 9 | Pro $47,600 MSRP | — |
| 10 | SLE $48,700 MSRP | — |
| 11 | SLE $51,100 MSRP | — |
| 12 | SLE $52,000 MSRP | — |
| 13 | SLE $54,400 MSRP | — |
| 14 | SLE $54,700 MSRP | — |
| 15 | Elevation $50,500 MSRP | — |
| 16 | Elevation $53,100 MSRP | — |
| 17 | Elevation $52,300 MSRP | — |
| 18 | Elevation $53,800 MSRP | — |
| 19 | Elevation $54,900 MSRP | — |
| 20 | Elevation $56,400 MSRP | — |
| 21 | Elevation $56,700 MSRP | — |
| 22 | SLT $54,900 MSRP | — |
| 23 | SLT $58,000 MSRP | — |
| 24 | SLT $58,700 MSRP | — |
| 25 | Denali $65,900 MSRP | — |
| 26 | Denali $69,200 MSRP | — |
| 27 | Denali $69,700 MSRP | — |
| 28 | AT4 $66,800 MSRP | — |
| 29 | AT4 $67,300 MSRP | — |
| 30 | AT4X $79,400 MSRP | — |
| 31 | Denali Ultimate $84,200 MSRP | — |
Live inventory
GMC Sierra 15001,099 for sale
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Used2022 GMC Sierra 1500
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New2026 GMC Sierra 1500
AT4
Onyx Black•Jet Black With Kalahari Accents6 mi$68,560GMC of Mount Vernon
Mount Vernon, OH
New2026 GMC Sierra 1500
Denali
Sterling Metallic•Black6 mi$69,737GMC of Mount Vernon
Mount Vernon, OH
New2026 GMC Sierra 1500
Denali Ultimate
Onyx Black6 mi$81,435GMC of Mount Vernon
Mount Vernon, OH
New2026 GMC Sierra 1500
Elevation
Sterling Metallic•Black5 mi$53,274GMC of Mount Vernon
Mount Vernon, OH
New2026 GMC Sierra 1500
AT4
Jet Black With Kalahari Accents6 mi$69,585GMC of Mount Vernon
Mount Vernon, OH
GMC Sierra 1500 vs HUMMER H3T FAQ
- Which is better: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- It depends on priorities. OpenDealer compares 2026 GMC Sierra 1500 vs 2010 HUMMER H3T 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 1500 or 2010 HUMMER H3T?
- Based on starting MSRP, the 2010 HUMMER H3T starts lower at $30,915. Live GMC Sierra 1500 listings start at $498.
- Which has better startingMsrp: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- The 2010 HUMMER H3T leads on startingMsrp in this comparison (30,915).
- Which has better combinedMpg: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- The 2026 GMC Sierra 1500 leads on combinedMpg in this comparison (23).
- Which has better horsepower: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- The 2026 GMC Sierra 1500 leads on horsepower in this comparison (420).
- Which has better seats: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- The 2026 GMC Sierra 1500 leads on seats in this comparison (6).
- Which has better maxTowingLbs: 2026 GMC Sierra 1500 or 2010 HUMMER H3T?
- The 2026 GMC Sierra 1500 leads on maxTowingLbs in this comparison (13,300).
- How do the NHTSA safety ratings compare for 2026 GMC Sierra 1500 vs 2010 HUMMER H3T?
- NHTSA overall crash-test ratings in this comparison: GMC Sierra 1500 (5/5 NHTSA overall).