2007 BMW Z4 vs. 2005 Holden Astra
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Holden Astra. In addition, the cost of maintenance, including insurance, on 2005 Holden 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 45 more horse power than 2005 Holden Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2005 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 47 kg more than 2005 Holden 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, 2005 Holden 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 37 more torque (in Nm) than 2005 Holden Astra. (173 Nm @ 3800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Holden Astra. 2005 Holden Astra has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Holden Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW Z4 | 2005 Holden Astra | |
Make | BMW | Holden |
Model | Z4 | Astra |
Year Released | 2007 | 2005 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2171 cc | 1796 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 168 HP | 123 HP |
Engine RPM | 6250 RPM | 5600 RPM |
Torque | 210 Nm | 173 Nm |
Torque RPM | 3500 RPM | 3800 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Doors | 2 doors | 3 doors |
Vehicle Weight | 1325 kg | 1278 kg |
Vehicle Length | 4100 mm | 4260 mm |
Vehicle Width | 1790 mm | 1800 mm |
Vehicle Height | 1310 mm | 1470 mm |
Wheelbase Size | 2500 mm | 2620 mm |