2007 BMW Z4 vs. 2003 Westfield XTR 2
To start off, 2007 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Westfield XTR 2. In addition, the cost of maintenance, including insurance, on 2003 Westfield XTR 2 would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 Westfield XTR 2 (173 HP @ 9800 RPM) has 5 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2003 Westfield XTR 2 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 885 kg more than 2003 Westfield XTR 2.
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.
Compare all specifications:
| 2007 BMW Z4 | 2003 Westfield XTR 2 | |
| Make | BMW | Westfield |
| Model | Z4 | XTR 2 |
| Year Released | 2007 | 2003 |
| Engine Size | 2171 cc | 1299 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 173 HP |
| Engine RPM | 6250 RPM | 9800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1325 kg | 440 kg |
| Vehicle Length | 4100 mm | 3690 mm |
| Vehicle Width | 1790 mm | 1630 mm |
| Wheelbase Size | 2500 mm | 2320 mm |
