2009 Hummer H2 vs. 2003 BMW Z8
To start off, 2009 Hummer H2 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW Z8. In addition, the cost of maintenance, including insurance, on 2003 BMW Z8 would be higher. At 6,198 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2003 BMW Z8 (400 HP @ 6600 RPM) has 7 more horse power than 2009 Hummer H2. (393 HP @ 5700 RPM) In normal driving conditions, 2003 BMW Z8 should accelerate faster than 2009 Hummer H2. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1318 kg more than 2003 BMW Z8.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW Z8. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Hummer H2 (563 Nm @ 4300 RPM) has 63 more torque (in Nm) than 2003 BMW Z8. (500 Nm @ 3800 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW Z8. 2009 Hummer H2 has automatic transmission and 2003 BMW Z8 has manual transmission. 2003 BMW Z8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Hummer H2 | 2003 BMW Z8 | |
| Make | Hummer | BMW |
| Model | H2 | Z8 |
| Year Released | 2009 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 6198 cc | 4939 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 393 HP | 400 HP |
| Engine RPM | 5700 RPM | 6600 RPM |
| Torque | 563 Nm | 500 Nm |
| Torque RPM | 4300 RPM | 3800 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1585 kg |
| Vehicle Length | 4830 mm | 4410 mm |
| Vehicle Width | 2070 mm | 1840 mm |
| Vehicle Height | 2020 mm | 1320 mm |
| Wheelbase Size | 3130 mm | 2580 mm |
| Fuel Consumption Overall | 15.7 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 121 L | 73 L |
