2008 BMW Z4 vs. 2007 Saturn Sky
To start off, 2008 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Saturn Sky. In addition, the cost of maintenance, including insurance, on 2007 Saturn Sky would be higher. At 2,497 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 Saturn Sky (177 HP @ 6600 RPM) has 2 more horse power than 2008 BMW Z4. (175 HP @ 5800 RPM) In normal driving conditions, 2007 Saturn Sky should accelerate faster than 2008 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 (230 Nm @ 3500 RPM) has 5 more torque (in Nm) than 2007 Saturn Sky. (225 Nm @ 4800 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Saturn Sky.
Compare all specifications:
| 2008 BMW Z4 | 2007 Saturn Sky | |
| Make | BMW | Saturn |
| Model | Z4 | Sky |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2399 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 177 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 230 Nm | 225 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4100 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2420 mm |
