2006 BMW Z4 vs. 2009 Opel Astra
To start off, 2009 Opel Astra is newer by 3 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 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 239 more horse power than 2009 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2009 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 102 kg more than 2009 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 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 (495 Nm @ 4900 RPM) has 345 more torque (in Nm) than 2009 Opel Astra. (150 Nm @ 3900 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra.
Compare all specifications:
| 2006 BMW Z4 | 2009 Opel Astra | |
| Make | BMW | Opel |
| Model | Z4 | Astra |
| Year Released | 2006 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1589 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 343 HP | 104 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 495 Nm | 150 Nm |
| Torque RPM | 4900 RPM | 3900 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5 seconds | 12.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1332 kg | 1230 kg |
| Vehicle Length | 4100 mm | 4260 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Consumption Overall | 11.4 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
