2006 Citroen Xsara vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Citroen Xsara. In addition, the cost of maintenance, including insurance, on 2006 Citroen Xsara 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 214 more horse power than 2006 Citroen Xsara. (114 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2006 Citroen Xsara. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 370 kg more than 2006 Citroen Xsara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 Citroen Xsara, 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 290 more torque (in Nm) than 2006 Citroen Xsara. (160 Nm @ 4000 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen Xsara. 2007 BMW 645 has automatic transmission and 2006 Citroen Xsara has manual transmission. 2006 Citroen Xsara will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Citroen Xsara | 2007 BMW 645 | |
| Make | Citroen | BMW |
| Model | Xsara | 645 |
| Year Released | 2006 | 2007 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1749 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 114 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 160 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 185 km/hour | 245 km/hour |
| Acceleration 0-100mph | 12.2 seconds | 5.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1690 kg |
| Vehicle Length | 4280 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1640 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption Overall | 7.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
