2007 BMW 645 vs. 1989 Citroen XM
To start off, 2007 BMW 645 is newer by 18 year(s). Which means there will be less support and parts availability for 1989 Citroen XM. In addition, the cost of maintenance, including insurance, on 1989 Citroen XM 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 158 more horse power than 1989 Citroen XM. (170 HP @ 5600 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 186 kg more than 1989 Citroen XM. 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, 1989 Citroen XM, 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 210 more torque (in Nm) than 1989 Citroen XM. (240 Nm @ 4600 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
2007 BMW 645 | 1989 Citroen XM | |
Make | BMW | Citroen |
Model | 645 | XM |
Year Released | 2007 | 1989 |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2975 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 328 HP | 170 HP |
Engine RPM | 6100 RPM | 5600 RPM |
Torque | 450 Nm | 240 Nm |
Torque RPM | 3600 RPM | 4600 RPM |
Engine Compression Ratio | 10.0:1 | 9.5:1 |
Top Speed | 245 km/hour | 214 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1690 kg | 1504 kg |
Vehicle Length | 4830 mm | 4960 mm |
Vehicle Width | 1860 mm | 1800 mm |
Vehicle Height | 1380 mm | 1400 mm |
Wheelbase Size | 2790 mm | 2860 mm |