2006 BMW X5 vs. 1997 Rover 400
To start off, 2006 BMW X5 is newer by 9 year(s). Which means there will be less support and parts availability for 1997 Rover 400. In addition, the cost of maintenance, including insurance, on 1997 Rover 400 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 123 more horse power than 1997 Rover 400. (102 HP @ 6000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1997 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 715 kg more than 1997 Rover 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1997 Rover 400. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 will offer significantly more control. 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, 2006 BMW X5 (290 Nm @ 3500 RPM) has 108 more torque (in Nm) than 1997 Rover 400. (182 Nm @ 2500 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1997 Rover 400.
Compare all specifications:
| 2006 BMW X5 | 1997 Rover 400 | |
| Make | BMW | Rover |
| Model | X5 | 400 |
| Year Released | 2006 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 1396 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 102 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 290 Nm | 182 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 89.6 mm | 79 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1120 kg |
| Vehicle Length | 4670 mm | 4320 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1770 mm | 1390 mm |
| Wheelbase Size | 2830 mm | 2630 mm |
