2007 BMW Z4 vs. 2004 Opel Astra
To start off, 2007 BMW Z4 is newer by 3 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 2,494 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 8 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 165 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 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, 2004 Opel Astra (262 Nm @ 4200 RPM) has 17 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
2007 BMW Z4 | 2004 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2007 | 2004 |
Body Type | Convertible | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2494 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 189 HP | 197 HP |
Engine RPM | 6000 RPM | 5400 RPM |
Torque | 245 Nm | 262 Nm |
Torque RPM | 3500 RPM | 4200 RPM |
Engine Bore Size | 84 mm | 86.1 mm |
Engine Stroke Size | 75 mm | 86 mm |
Acceleration 0-100mph | 7 seconds | 8.4 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1260 kg | 1425 kg |
Vehicle Length | 4100 mm | 4520 mm |
Vehicle Width | 1790 mm | 1800 mm |
Vehicle Height | 1310 mm | 1510 mm |
Wheelbase Size | 2500 mm | 2640 mm |
Fuel Consumption Overall | 9.1 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 55 L | 52 L |