2007 BMW Z4 vs. 2005 Saab 03-Sep
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Saab 03-Sep. In addition, the cost of maintenance, including insurance, on 2005 Saab 03-Sep would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 40 more horse power than 2005 Saab 03-Sep. (175 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2005 Saab 03-Sep. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saab 03-Sep weights approximately 78 kg more than 2007 BMW Z4.
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, 2005 Saab 03-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, 2005 Saab 03-Sep (264 Nm) has 14 more torque (in Nm) than 2007 BMW Z4. (250 Nm). This means 2005 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2005 Saab 03-Sep | |
| Make | BMW | Saab |
| Model | Z4 | 03-Sep |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1983 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 264 Nm |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1362 kg | 1440 kg |
| Vehicle Length | 4100 mm | 4640 mm |
| Vehicle Width | 1310 mm | 1760 mm |
| Vehicle Height | 1790 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
| Fuel Consumption Overall | 8.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
