2006 BMW Z4 vs. 2008 Hummer H3
To start off, 2008 Hummer H3 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,653 cc (5 cylinders), 2008 Hummer H3 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Hummer H3 weights approximately 601 kg more than 2006 BMW Z4.
Because 2008 Hummer H3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 Hummer H3 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, 2008 Hummer H3 (328 Nm @ 4600 RPM) has 28 more torque (in Nm) than 2006 BMW Z4. (300 Nm @ 3500 RPM). This means 2008 Hummer H3 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2008 Hummer H3 | |
| Make | BMW | Hummer |
| Model | Z4 | H3 |
| Year Released | 2006 | 2008 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3653 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 0 HP |
| Torque | 300 Nm | 328 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 95.5 mm |
| Engine Stroke Size | 90 mm | 102 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 2231 kg |
| Vehicle Length | 4570 mm | 5180 mm |
| Vehicle Height | 1680 mm | 2020 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Consumption Overall | 9.1 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 55 L | 87 L |
