2007 BMW Z4 vs. 2010 Opel Astra
To start off, 2010 Opel Astra is newer by 3 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 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 138 more horse power than 2010 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2010 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 Opel Astra weights approximately 315 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, 2010 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, 2007 BMW Z4 (315 Nm @ 2750 RPM) has 53 more torque (in Nm) than 2010 Opel Astra. (262 Nm @ 1950 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2010 Opel Astra. 2007 BMW Z4 has automatic transmission and 2010 Opel Astra has manual transmission. 2010 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2010 Opel Astra | |
| Make | BMW | Opel |
| Model | Z4 | Astra |
| Year Released | 2007 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 197 HP |
| Engine RPM | 7900 RPM | 5400 RPM |
| Torque | 315 Nm | 262 Nm |
| Torque RPM | 2750 RPM | 1950 RPM |
| Engine Compression Ratio | 11.5:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 6.2 seconds | 7.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1310 kg | 1625 kg |
| Vehicle Length | 4100 mm | 4300 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2620 mm |
| Fuel Consumption Overall | 9.5 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
