1991 Rover 400 vs. 2012 Porsche Cayenne
To start off, 2012 Porsche Cayenne is newer by 21 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 2,967 cc (6 cylinders), 2012 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2012 Porsche Cayenne (380 HP @ 5500 RPM) has 294 more horse power than 1991 Rover 400. (86 HP @ 4300 RPM) In normal driving conditions, 2012 Porsche Cayenne should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2012 Porsche Cayenne weights approximately 1070 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 2012 Porsche Cayenne 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, 2012 Porsche Cayenne 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, 2012 Porsche Cayenne (578 Nm) has 398 more torque (in Nm) than 1991 Rover 400. (180 Nm). This means 2012 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 1991 Rover 400 | 2012 Porsche Cayenne | |
| Make | Rover | Porsche |
| Model | 400 | Cayenne |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 380 HP |
| Engine RPM | 4300 RPM | 5500 RPM |
| Torque | 180 Nm | 578 Nm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1170 kg | 2240 kg |
| Vehicle Length | 4370 mm | 4846 mm |
| Vehicle Width | 1690 mm | 1939 mm |
| Vehicle Height | 1410 mm | 1712 mm |
| Wheelbase Size | 2560 mm | 2896 mm |
