2004 BMW 645 vs. 2001 Saab 05-Sep
To start off, 2004 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Saab 05-Sep. In addition, the cost of maintenance, including insurance, on 2001 Saab 05-Sep would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 149 more horse power than 2001 Saab 05-Sep. (173 HP @ 5000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2001 Saab 05-Sep.
Because 2004 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2001 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 BMW 645 (447 Nm) has 97 more torque (in Nm) than 2001 Saab 05-Sep. (350 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2001 Saab 05-Sep.
Compare all specifications:
| 2004 BMW 645 | 2001 Saab 05-Sep | |
| Make | BMW | Saab |
| Model | 645 | 05-Sep |
| Year Released | 2004 | 2001 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 2962 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 322 HP | 173 HP |
| Engine RPM | 7400 RPM | 5000 RPM |
| Torque | 447 Nm | 350 Nm |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 83 mm | 85 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4840 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2790 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 75 L |
