2006 BMW 645 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 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 57 more horse power than 2007 Saab 03-Sep. (271 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2007 Saab 03-Sep. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 231 kg more than 2007 Saab 03-Sep. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 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 645. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 49 more torque (in Nm) than 2007 Saab 03-Sep. (401 Nm @ 2000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Saab 03-Sep. 2007 Saab 03-Sep has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Saab 03-Sep will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 2007 Saab 03-Sep | |
| Make | BMW | Saab |
| Model | 645 | 03-Sep |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 271 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 450 Nm | 401 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 83 mm | 74.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 260 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 6.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1836 kg | 1605 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2790 mm | 2680 mm |
| Fuel Consumption Overall | 12.8 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
