2005 BMW Z4 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 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 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (168 HP @ 5200 RPM) has 27 more horse power than 2005 BMW Z4. (141 HP @ 6200 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 60 kg more than 2005 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 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 Opel Astra (251 Nm @ 1950 RPM) has 51 more torque (in Nm) than 2005 BMW Z4. (200 Nm @ 3600 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
2005 BMW Z4 | 2007 Opel Astra | |
Make | BMW | Opel |
Model | Z4 | Astra |
Year Released | 2005 | 2007 |
Engine Position | Front | Front |
Engine Size | 1995 cc | 1998 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 141 HP | 168 HP |
Engine RPM | 6200 RPM | 5200 RPM |
Torque | 200 Nm | 251 Nm |
Torque RPM | 3600 RPM | 1950 RPM |
Engine Bore Size | 84 mm | 86 mm |
Engine Stroke Size | 90 mm | 86 mm |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 220 km/hour | 217 km/hour |
Acceleration 0-100mph | 8.2 seconds | 8.7 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1325 kg | 1385 kg |
Vehicle Length | 4100 mm | 4480 mm |
Vehicle Width | 1790 mm | 2030 mm |
Vehicle Height | 1310 mm | 1420 mm |
Wheelbase Size | 2500 mm | 2620 mm |
Fuel Consumption Overall | 7.7 L/100km | 9.5 L/100km |
Fuel Tank Capacity | 55 L | 52 L |