2009 BMW Z4 vs. 2008 Saturn Astra
To start off, 2009 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Saturn Astra. In addition, the cost of maintenance, including insurance, on 2008 Saturn Astra would be higher. At 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (176 HP @ 5800 RPM) has 37 more horse power than 2008 Saturn Astra. (139 HP @ 6300 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2008 Saturn Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 60 kg more than 2008 Saturn Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2008 Saturn 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, 2009 BMW Z4 (230 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2008 Saturn Astra. (170 Nm @ 3800 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Saturn Astra.
Compare all specifications:
2009 BMW Z4 | 2008 Saturn Astra | |
Make | BMW | Saturn |
Model | Z4 | Astra |
Year Released | 2009 | 2008 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2497 cc | 1799 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 176 HP | 139 HP |
Engine RPM | 5800 RPM | 6300 RPM |
Torque | 230 Nm | 170 Nm |
Torque RPM | 3500 RPM | 3800 RPM |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1345 kg | 1285 kg |
Vehicle Length | 4100 mm | 4340 mm |
Vehicle Width | 1790 mm | 1760 mm |
Vehicle Height | 1310 mm | 1460 mm |
Wheelbase Size | 2500 mm | 2620 mm |
Fuel Consumption Overall | 8.2 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 55 L | 46 L |