2005 Holden Astra vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 3 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 2,996 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (261 HP @ 6600 RPM) has 116 more horse power than 2005 Holden Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 5 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 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, 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, 2008 BMW Z4 (316 Nm @ 2750 RPM) has 113 more torque (in Nm) than 2005 Holden Astra. (203 Nm @ 4000 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Holden Astra. 2008 BMW Z4 has automatic transmission and 2005 Holden Astra has manual transmission. 2005 Holden Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Holden Astra | 2008 BMW Z4 | |
| Make | Holden | BMW |
| Model | Astra | Z4 |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 261 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 203 Nm | 316 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1390 kg | 1395 kg |
| Vehicle Length | 4280 mm | 4100 mm |
| Vehicle Width | 1720 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2500 mm |
