2007 BMW X5 vs. 1991 Rover 400
To start off, 2007 BMW X5 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Rover 400. In addition, the cost of maintenance, including insurance, on 1991 Rover 400 would be higher. At 2,993 cc (6 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (202 HP @ 4000 RPM) has 116 more horse power than 1991 Rover 400. (86 HP @ 4300 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 929 kg more than 1991 Rover 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Rover 400. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (480 Nm) has 300 more torque (in Nm) than 1991 Rover 400. (180 Nm). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 2007 BMW X5 | 1991 Rover 400 | |
| Make | BMW | Rover |
| Model | X5 | 400 |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 202 HP | 86 HP |
| Engine RPM | 4000 RPM | 4300 RPM |
| Torque | 480 Nm | 180 Nm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2099 kg | 1170 kg |
| Vehicle Length | 4670 mm | 4370 mm |
| Vehicle Width | 1720 mm | 1690 mm |
| Vehicle Height | 1880 mm | 1410 mm |
| Wheelbase Size | 2830 mm | 2560 mm |
