2006 BMW Z4 vs. 2007 Saab 03-Sep
To start off, 2007 Saab 03-Sep is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,790 cc (6 cylinders), 2007 Saab 03-Sep is equipped with a bigger engine. In terms of performance, 2007 Saab 03-Sep (247 HP @ 5500 RPM) has 62 more horse power than 2006 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2007 Saab 03-Sep should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Saab 03-Sep weights approximately 360 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Saab 03-Sep (350 Nm @ 2000 RPM) has 113 more torque (in Nm) than 2006 BMW Z4. (237 Nm @ 3500 RPM). This means 2007 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2007 Saab 03-Sep | |
| Make | BMW | Saab |
| Model | Z4 | 03-Sep |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2501 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 247 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 237 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.1 mm | 89 mm |
| Engine Stroke Size | 74.9 mm | 74.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 220 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 1690 kg |
| Vehicle Length | 4100 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1300 mm | 1510 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
| Fuel Consumption Overall | 9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 62 L |
