2003 BMW 645 vs. 2005 Hummer H2
To start off, 2005 Hummer H2 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 5,965 cc (8 cylinders), 2005 Hummer H2 is equipped with a bigger engine. In terms of performance, both vehicles can yield 325 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Hummer H2 weights approximately 1214 kg more than 2003 BMW 645.
Because 2005 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2003 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 (495 Nm) has 45 more torque (in Nm) than 2003 BMW 645. (450 Nm). This means 2005 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645. 2005 Hummer H2 has automatic transmission and 2003 BMW 645 has manual transmission. 2003 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 BMW 645 | 2005 Hummer H2 | |
Make | BMW | Hummer |
Model | 645 | H2 |
Year Released | 2003 | 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 | 325 HP | 325 HP |
Torque | 450 Nm | 495 Nm |
Engine Bore Size | 92 mm | 102 mm |
Engine Stroke Size | 82.7 mm | 92 mm |
Engine Compression Ratio | 10.5:1 | 9.4:1 |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1690 kg | 2904 kg |
Vehicle Length | 4830 mm | 5180 mm |
Vehicle Width | 1860 mm | 2070 mm |
Vehicle Height | 1380 mm | 2020 mm |
Wheelbase Size | 2890 mm | 3120 mm |
Fuel Tank Capacity | 70 L | 121 L |