2006 Opel Astra vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 1,997 cc (4 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (244 HP @ 5000 RPM) has 155 more horse power than 2006 Opel Astra. (89 HP @ 5600 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 210 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2010 BMW Z4 (350 Nm @ 1500 RPM) has 225 more torque (in Nm) than 2006 Opel Astra. (125 Nm @ 4000 RPM). This means 2010 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Opel Astra | 2010 BMW Z4 | |
| Make | Opel | BMW |
| Model | Astra | Z4 |
| Year Released | 2006 | 2010 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1364 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 244 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 125 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 73.5 mm | 90.1 mm |
| Engine Stroke Size | 80.6 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 14.1 seconds | 5.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1490 kg |
| Vehicle Length | 4520 mm | 4239 mm |
| Vehicle Width | 2000 mm | 1791 mm |
| Vehicle Height | 1510 mm | 1290 mm |
| Wheelbase Size | 2710 mm | 2497 mm |
| Fuel Consumption Overall | 6.3 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 52 L | 55 L |
