2007 BMW Z4 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 24 kg more than 2007 BMW Z4.
Because 2007 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 2007 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, 2008 Opel Astra (262 Nm @ 1950 RPM) has 12 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2008 Opel Astra | |
| Make | BMW | Opel |
| Model | Z4 | Astra |
| Year Released | 2007 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1998 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 0 HP |
| Torque | 250 Nm | 262 Nm |
| Torque RPM | 2750 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 240 km/hour | 234 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 7.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1362 kg | 1386 kg |
| Vehicle Length | 4100 mm | 4300 mm |
| Vehicle Height | 1790 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Consumption Overall | 8.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
