2006 BMW X5 vs. 1998 Rover 400
To start off, 2006 BMW X5 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Rover 400. In addition, the cost of maintenance, including insurance, on 1998 Rover 400 would be higher. At 4,398 cc (8 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (282 HP @ 3600 RPM) has 180 more horse power than 1998 Rover 400. (102 HP @ 6000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1998 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 1075 kg more than 1998 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 1998 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 (441 Nm @ 3600 RPM) has 259 more torque (in Nm) than 1998 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 1998 Rover 400. 2006 BMW X5 has automatic transmission and 1998 Rover 400 has manual transmission. 1998 Rover 400 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW X5 | 1998 Rover 400 | |
| Make | BMW | Rover |
| Model | X5 | 400 |
| Year Released | 2006 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1394 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 102 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 441 Nm | 182 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 75 mm |
| Engine Stroke Size | 82.7 mm | 79 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2195 kg | 1120 kg |
| Vehicle Length | 4670 mm | 4320 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1710 mm | 1390 mm |
| Wheelbase Size | 2830 mm | 2630 mm |
