2008 BMW Z4 vs. 2004 Opel Astra
To start off, 2008 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 2,496 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6500 RPM) has 116 more horse power than 2004 Opel Astra. (99 HP @ 6000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 45 kg more than 2004 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, 2004 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 (250 Nm @ 2750 RPM) has 100 more torque (in Nm) than 2004 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 2004 Opel Astra. 2004 Opel Astra has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
2008 BMW Z4 | 2004 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2008 | 2004 |
Body Type | Convertible | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2496 cc | 1598 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 215 HP | 99 HP |
Engine RPM | 6500 RPM | 6000 RPM |
Torque | 250 Nm | 150 Nm |
Torque RPM | 2750 RPM | 3900 RPM |
Engine Bore Size | 82 mm | 79 mm |
Engine Stroke Size | 78.8 mm | 81.5 mm |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Top Speed | 240 km/hour | 185 km/hour |
Acceleration 0-100mph | 7 seconds | 13.7 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1360 kg | 1315 kg |
Vehicle Length | 4100 mm | 4520 mm |
Vehicle Width | 1790 mm | 1800 mm |
Vehicle Height | 1310 mm | 1510 mm |
Wheelbase Size | 2500 mm | 2610 mm |
Fuel Consumption Overall | 8.4 L/100km | 6.8 L/100km |
Fuel Tank Capacity | 55 L | 52 L |