2005 BMW 645 vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 6 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 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP) has 218 more horse power than 2011 Citroen C4. (108 HP). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2011 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 620 kg more than 2011 Citroen C4. 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, 2011 Citroen C4, 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 (447 Nm @ 3600 RPM) has 300 more torque (in Nm) than 2011 Citroen C4. (147 Nm @ 4000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2011 Citroen C4.
Compare all specifications:
| 2005 BMW 645 | 2011 Citroen C4 | |
| Make | BMW | Citroen |
| Model | 645 | C4 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 1587 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 326 HP | 108 HP |
| Torque | 447 Nm | 147 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 78.5 mm |
| Engine Stroke Size | 83 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 194 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 11.9 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1895 kg | 1275 kg |
| Vehicle Length | 4830 mm | 4280 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 2610 mm |
| Fuel Consumption Overall | 12.8 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
