Hummer H3 GMT345 3.7 SUV
178 kW242 PS239 hp2005–2010
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- Power
- 178 kW 242 PS · 239 hp
- Kerb weight
- 2,130 kg
- Length
- 4,742 mm
- Displacement
- 3,700 cm³
The Hummer H3 GMT345 3.7 petrol uses a 3.7-litre five-cylinder petrol engine rated at 178 kW (242 PS), in SUV form. A four-speed automatic transmission sends the H3 GMT345 3.7 petrol's drive to all four wheels.
Against the entry 3.5 (164 kW), the H3 GMT345 3.7 petrol gains 9% in power; the 5.3 (224 kW), strongest of the 3, has 46 kW more. On paper, it tips the scales at 2,130 kg and has 114 PS per tonne to work with. Rivals worth a side-by-side look against the H3 GMT345 3.7 petrol: the Jeep Wrangler or the Mitsubishi Pajero.
Dimensions drawing
To scale · width without mirrors
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grid 500 mm1 ft Side view: dashed lines mark the axles
Engine
| Fuel | Petrol |
|---|---|
| Displacement | 3,700 cm³ 3.7 l · 226 cu in |
| Cylinders | 5 |
| Power | 178 kW 242 PS · 239 hp |
Transmission
| Gearbox | Automatic |
|---|---|
| Gears | 4 |
| Drive | All-wheel drive |
Dimensions and weight
| Length | 4,742 mm 186.7 in |
|---|---|
| Width | 2,172 mm 85.5 in |
| Height | 1,895 mm 74.6 in |
| Wheelbase | 2,842 mm 111.9 in |
| Kerb weight | 2,130 kg 4,696 lb |
Production
| Body type | SUV |
|---|---|
| Years | 2005–2010 |
| Generation | H3 GMT345 (2005–2010) |
Compare size All H3 GMT345 versions All Hummer spec sheets
Data sources
Data checked by an editor against the sources below.
Data: 13 of 25 fields · 2 sources · data changed 24 Oct 2026