1991 Mitsubishi Sigma vs. 2006 Rover 75
To start off, 2006 Rover 75 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Mitsubishi Sigma. In addition, the cost of maintenance, including insurance, on 1991 Mitsubishi Sigma would be higher. At 2,972 cc (6 cylinders), 1991 Mitsubishi Sigma is equipped with a bigger engine. In terms of performance, 1991 Mitsubishi Sigma (202 HP @ 6000 RPM) has 54 more horse power than 2006 Rover 75. (148 HP @ 5500 RPM). In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2006 Rover 75. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 400 kg more than 2006 Rover 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mitsubishi Sigma (270 Nm @ 3000 RPM) has 55 more torque (in Nm) than 2006 Rover 75. (215 Nm @ 2500 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2006 Rover 75.
Compare all specifications:
| 1991 Mitsubishi Sigma | 2006 Rover 75 | |
| Make | Mitsubishi | Rover |
| Model | Sigma | 75 |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2972 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 202 HP | 148 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 270 Nm | 215 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1180 kg |
| Vehicle Length | 4760 mm | 4000 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2730 mm | 2760 mm |
