2006 Porsche 911 vs. 1991 Rover 400
To start off, 2006 Porsche 911 is newer by 15 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 3,600 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (415 HP @ 2700 RPM) has 329 more horse power than 1991 Rover 400. (86 HP @ 4300 RPM). In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche 911 weights approximately 415 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 2006 Porsche 911 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, 2006 Porsche 911 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 Porsche 911 (560 Nm) has 380 more torque (in Nm) than 1991 Rover 400. (180 Nm). This means 2006 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 2006 Porsche 911 | 1991 Rover 400 | |
| Make | Porsche | Rover |
| Model | 911 | 400 |
| Year Released | 2006 | 1991 |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 415 HP | 86 HP |
| Engine RPM | 2700 RPM | 4300 RPM |
| Torque | 560 Nm | 180 Nm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1585 kg | 1170 kg |
| Vehicle Length | 4440 mm | 4370 mm |
| Vehicle Width | 1840 mm | 1690 mm |
| Vehicle Height | 1300 mm | 1410 mm |
| Wheelbase Size | 2360 mm | 2560 mm |
