2008 BMW Z4 vs. 2005 MG XPower
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 MG XPower. In addition, the cost of maintenance, including insurance, on 2005 MG XPower would be higher. At 4,600 cc (8 cylinders), 2005 MG XPower is equipped with a bigger engine. In terms of performance, 2005 MG XPower (317 HP @ 6000 RPM) has 169 more horse power than 2008 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2005 MG XPower should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 MG XPower weights approximately 245 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 MG XPower (410 Nm @ 4750 RPM) has 210 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 2005 MG XPower will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2005 MG XPower | |
| Make | BMW | MG |
| Model | Z4 | XPower |
| Year Released | 2008 | 2005 |
| Engine Size | 1995 cc | 4600 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 317 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 200 Nm | 410 Nm |
| Torque RPM | 3600 RPM | 4750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1295 kg | 1540 kg |
| Vehicle Length | 4100 mm | 4490 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1310 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
