2007 BMW Z4 vs. 2004 Saturn ION
To start off, 2007 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Saturn ION. In addition, the cost of maintenance, including insurance, on 2004 Saturn ION would be higher. At 3,199 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (358 HP @ 7900 RPM) has 220 more horse power than 2004 Saturn ION. (138 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2004 Saturn ION.
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, 2004 Saturn ION, 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 (385 Nm @ 4900 RPM) has 188 more torque (in Nm) than 2004 Saturn ION. (197 Nm @ 4400 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Saturn ION.
Compare all specifications:
| 2007 BMW Z4 | 2004 Saturn ION | |
| Make | BMW | Saturn |
| Model | Z4 | ION |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 2187 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 358 HP | 138 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 385 Nm | 197 Nm |
| Torque RPM | 4900 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Length | 4100 mm | 4710 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1300 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2630 mm |
