2005 BMW Z4 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW Z4. In addition, the cost of maintenance, including insurance, on 2005 BMW Z4 would be higher. At 2,171 cc (6 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (168 HP @ 6250 RPM) has 64 more horse power than 2008 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 190 kg more than 2005 BMW Z4.
Because 2005 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 2005 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2005 BMW Z4 (210 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2008 Opel Astra. (150 Nm @ 3900 RPM). This means 2005 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
2005 BMW Z4 | 2008 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2005 | 2008 |
Engine Position | Front | Front |
Engine Size | 2171 cc | 1596 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 168 HP | 104 HP |
Engine RPM | 6250 RPM | 6000 RPM |
Torque | 210 Nm | 150 Nm |
Torque RPM | 3500 RPM | 3900 RPM |
Engine Bore Size | 80 mm | 79 mm |
Engine Stroke Size | 72 mm | 81.5 mm |
Engine Compression Ratio | 10.8:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 225 km/hour | 186 km/hour |
Acceleration 0-100mph | 7.7 seconds | 14.1 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1325 kg | 1515 kg |
Vehicle Length | 4100 mm | 4480 mm |
Vehicle Width | 1790 mm | 2030 mm |
Vehicle Height | 1310 mm | 1840 mm |
Wheelbase Size | 2500 mm | 2620 mm |
Fuel Consumption Overall | 8.9 L/100km | 7 L/100km |
Fuel Tank Capacity | 55 L | 52 L |