2007 BMW Z4 vs. 1997 Opel Astra
To start off, 2007 BMW Z4 is newer by 10 year(s). Which means there will be less support and parts availability for 1997 Opel Astra. In addition, the cost of maintenance, including insurance, on 1997 Opel Astra would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 95 more horse power than 1997 Opel Astra. (73 HP @ 4400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1997 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 45 kg more than 1997 Opel Astra. 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, 1997 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, 2007 BMW Z4 (210 Nm @ 3500 RPM) has 45 more torque (in Nm) than 1997 Opel Astra. (165 Nm @ 1800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1997 Opel Astra.
Compare all specifications:
2007 BMW Z4 | 1997 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2007 | 1997 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2171 cc | 1698 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 168 HP | 73 HP |
Engine RPM | 6250 RPM | 4400 RPM |
Torque | 210 Nm | 165 Nm |
Torque RPM | 3500 RPM | 1800 RPM |
Engine Bore Size | 80 mm | 79 mm |
Engine Stroke Size | 72 mm | 86 mm |
Engine Compression Ratio | 10.8:1 | 18.4:1 |
Top Speed | 225 km/hour | 170 km/hour |
Acceleration 0-100mph | 7.7 seconds | 14.8 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1325 kg | 1280 kg |
Vehicle Length | 4100 mm | 4250 mm |
Vehicle Width | 1790 mm | 1700 mm |
Vehicle Height | 1310 mm | 1480 mm |
Wheelbase Size | 2500 mm | 2610 mm |
Fuel Tank Capacity | 55 L | 52 L |