2006 BMW Z4 vs. 2003 Vauxhall Vectra
To start off, 2006 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Vectra. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Vectra would be higher. At 2,501 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (185 HP @ 6000 RPM) has 85 more horse power than 2003 Vauxhall Vectra. (100 HP @ 4300 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2003 Vauxhall Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Vectra weights approximately 160 kg more than 2006 BMW Z4.
Because 2006 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 Vauxhall Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW Z4 (237 Nm @ 3500 RPM) has 32 more torque (in Nm) than 2003 Vauxhall Vectra. (205 Nm @ 1600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Vectra.
Compare all specifications:
| 2006 BMW Z4 | 2003 Vauxhall Vectra | |
| Make | BMW | Vauxhall |
| Model | Z4 | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2501 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 100 HP |
| Engine RPM | 6000 RPM | 4300 RPM |
| Torque | 237 Nm | 205 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1330 kg | 1490 kg |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1510 mm |
