2008 Opel Astra vs. 2006 BMW Z4
To start off, 2008 Opel Astra 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 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 247 kg more than 2008 Opel Astra.
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, 2008 Opel Astra, 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 (210 Nm @ 3500 RPM) has 68 more torque (in Nm) than 2008 Opel Astra. (142 Nm @ 3600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra. 2006 BMW Z4 has automatic transmission and 2008 Opel Astra has manual transmission. 2008 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Opel Astra | 2006 BMW Z4 | |
| Make | Opel | BMW |
| Model | Astra | Z4 |
| Year Released | 2008 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2170 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 168 HP |
| Torque | 142 Nm | 210 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Compression Ratio | 9.8:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 11.5 seconds | 7.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1078 kg | 1325 kg |
| Vehicle Length | 3510 mm | 4100 mm |
| Vehicle Height | 1700 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2500 mm |
| Fuel Consumption Overall | 7.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 52 L | 55 L |
