2007 BMW Z4 vs. 1998 Citroen XM
To start off, 2007 BMW Z4 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Citroen XM. In addition, the cost of maintenance, including insurance, on 1998 Citroen XM would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 223 more horse power than 1998 Citroen XM. (115 HP @ 5750 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1998 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 205 kg more than 1998 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 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 Z4. However, in wet, icy, snow, or gravel driving conditions, 1998 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 Z4 (365 Nm @ 4900 RPM) has 191 more torque (in Nm) than 1998 Citroen XM. (174 Nm @ 4250 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Citroen XM.
Compare all specifications:
| 2007 BMW Z4 | 1998 Citroen XM | |
| Make | BMW | Citroen |
| Model | Z4 | XM |
| Year Released | 2007 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 338 HP | 115 HP |
| Engine RPM | 7900 RPM | 5750 RPM |
| Torque | 365 Nm | 174 Nm |
| Torque RPM | 4900 RPM | 4250 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Engine Compression Ratio | 11.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 193 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1280 kg |
| Vehicle Length | 4120 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2760 mm |
| Fuel Consumption Overall | 12.1 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 55 L | 66 L |
