2006 BMW 645 vs. 2005 Hummer H2
To start off, 2006 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Hummer H2. In addition, the cost of maintenance, including insurance, on 2005 Hummer H2 would be higher. At 5,965 cc (8 cylinders), 2005 Hummer H2 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP) has 3 more horse power than 2005 Hummer H2. (325 HP). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2005 Hummer H2. With that said, vehicle weight also plays an important factor in acceleration. 2005 Hummer H2 weights approximately 1093 kg more than 2006 BMW 645.
Because 2005 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 Hummer H2 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Hummer H2 (496 Nm) has 46 more torque (in Nm) than 2006 BMW 645. (450 Nm). This means 2005 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
| 2006 BMW 645 | 2005 Hummer H2 | |
| Make | BMW | Hummer |
| Model | 645 | H2 |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5965 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 HP | 325 HP |
| Torque | 450 Nm | 496 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 2903 kg |
| Vehicle Length | 4830 mm | 4830 mm |
| Vehicle Width | 1860 mm | 2070 mm |
| Vehicle Height | 1380 mm | 1980 mm |
| Wheelbase Size | 2790 mm | 3130 mm |
| Fuel Tank Capacity | 70 L | 121 L |
