2005 BMW 645 vs. 2007 Citroen C5
To start off, 2007 Citroen C5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 230 more horse power than 2007 Citroen C5. (108 HP @ 4000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2007 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 108 kg more than 2007 Citroen C5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2007 Citroen C5, 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 BMW 645 (439 Nm @ 3600 RPM) has 199 more torque (in Nm) than 2007 Citroen C5. (240 Nm @ 1750 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C5.
Compare all specifications:
| 2005 BMW 645 | 2007 Citroen C5 | |
| Make | BMW | Citroen |
| Model | 645 | C5 |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 1560 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 108 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 439 Nm | 240 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Engine Bore Size | 92 mm | 75 mm |
| Engine Stroke Size | 83 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 190 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 12.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 1607 kg |
| Vehicle Length | 4830 mm | 4750 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1480 mm |
| Wheelbase Size | 2790 mm | 2760 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
