2009 BMW Z4 vs. 2006 Opel Astra
To start off, 2009 BMW Z4 is newer by 3 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 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 91 more horse power than 2006 Opel Astra. (124 HP @ 5600 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 84 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 2009 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 2009 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, 2009 BMW Z4 (250 Nm @ 2750 RPM) has 80 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
2009 BMW Z4 | 2006 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2009 | 2006 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2497 cc | 1796 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 215 HP | 124 HP |
Engine RPM | 6500 RPM | 5600 RPM |
Torque | 250 Nm | 170 Nm |
Torque RPM | 2750 RPM | 3800 RPM |
Engine Bore Size | 82 mm | 80.5 mm |
Engine Stroke Size | 78.8 mm | 88.2 mm |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 240 km/hour | 200 km/hour |
Acceleration 0-100mph | 7 seconds | 10.7 seconds |
Drive Type | Rear | Front |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 3 doors |
Vehicle Weight | 1362 kg | 1278 kg |
Vehicle Length | 4100 mm | 4300 mm |
Vehicle Width | 1310 mm | 1760 mm |
Vehicle Height | 1790 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2620 mm |
Fuel Consumption Overall | 8.4 L/100km | 7.7 L/100km |
Fuel Tank Capacity | 55 L | 52 L |