2004 Xedos 9 vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Xedos 9. In addition, the cost of maintenance, including insurance, on 2004 Xedos 9 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 167 more horse power than 2004 Xedos 9. (161 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2004 Xedos 9. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 105 kg more than 2004 Xedos 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 645 (450 Nm @ 3600 RPM) has 238 more torque (in Nm) than 2004 Xedos 9. (212 Nm @ 4900 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Xedos 9.
Compare all specifications:
| 2004 Xedos 9 | 2007 BMW 645 | |
| Make | Xedos | BMW |
| Model | 9 | 645 |
| Year Released | 2004 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 212 Nm | 450 Nm |
| Torque RPM | 4900 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Vehicle Weight | 1585 kg | 1690 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2760 mm | 2790 mm |
