1991 Rover 400 vs. 2013 BMW M6
To start off, 2013 BMW M6 is newer by 22 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 4,395 cc (8 cylinders), 2013 BMW M6 is equipped with a bigger engine. In terms of performance, 2013 BMW M6 (552 HP @ 7000 RPM) has 466 more horse power than 1991 Rover 400. (86 HP @ 4300 RPM) In normal driving conditions, 2013 BMW M6 should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M6 weights approximately 760 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 2013 BMW M6 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 2013 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 1991 Rover 400, 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, 2013 BMW M6 (678 Nm) has 498 more torque (in Nm) than 1991 Rover 400. (180 Nm). This means 2013 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 1991 Rover 400 | 2013 BMW M6 | |
| Make | Rover | BMW |
| Model | 400 | M6 |
| Year Released | 1991 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 552 HP |
| Engine RPM | 4300 RPM | 7000 RPM |
| Torque | 180 Nm | 678 Nm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1170 kg | 1930 kg |
| Vehicle Length | 4370 mm | 4903 mm |
| Vehicle Width | 1690 mm | 2106 mm |
| Vehicle Height | 1410 mm | 1374 mm |
| Wheelbase Size | 2560 mm | 2851 mm |
