2007 BMW Z4 vs. 2004 Saab 05-Sep
To start off, 2007 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Saab 05-Sep. In addition, the cost of maintenance, including insurance, on 2004 Saab 05-Sep would be higher. At 2,294 cc (4 cylinders), 2004 Saab 05-Sep is equipped with a bigger engine. In terms of performance, 2004 Saab 05-Sep (220 HP @ 4000 RPM) has 52 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2004 Saab 05-Sep should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Saab 05-Sep weights approximately 249 kg more than 2007 BMW Z4. 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, 2004 Saab 05-Sep, 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, 2004 Saab 05-Sep (309 Nm) has 99 more torque (in Nm) than 2007 BMW Z4. (210 Nm). This means 2004 Saab 05-Sep will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2004 Saab 05-Sep | |
| Make | BMW | Saab |
| Model | Z4 | 05-Sep |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 220 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 210 Nm | 309 Nm |
| Engine Compression Ratio | 10.8:1 | 9.3:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1574 kg |
| Vehicle Length | 4100 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
| Fuel Consumption Overall | 8.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
