2008 BMW Z4 vs. 2005 Opel Astra
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,995 cc (4 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (148 HP @ 6200 RPM) has 44 more horse power than 2005 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 60 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 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 BMW Z4 (200 Nm @ 3600 RPM) has 50 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
2008 BMW Z4 | 2005 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2008 | 2005 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 1995 cc | 1598 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 148 HP | 104 HP |
Engine RPM | 6200 RPM | 6000 RPM |
Torque | 200 Nm | 150 Nm |
Torque RPM | 3600 RPM | 3900 RPM |
Engine Compression Ratio | 10.5:1 | 10.5:1 |
Top Speed | 215 km/hour | 187 km/hour |
Acceleration 0-100mph | 8.2 seconds | 12.2 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 3 doors |
Vehicle Weight | 1295 kg | 1235 kg |
Vehicle Length | 4100 mm | 4300 mm |
Vehicle Width | 1310 mm | 1760 mm |
Vehicle Height | 1790 mm | 1440 mm |
Wheelbase Size | 2500 mm | 2700 mm |
Fuel Consumption Overall | 7.5 L/100km | 6.8 L/100km |
Fuel Tank Capacity | 55 L | 52 L |