2007 BMW X5 vs. 1991 Mitsubishi Sigma
To start off, 2007 BMW X5 is newer by 16 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 4,799 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (350 HP @ 6300 RPM) has 174 more horse power than 1991 Mitsubishi Sigma. (176 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 730 kg more than 1991 Mitsubishi Sigma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW X5 (475 Nm @ 3400 RPM) has 224 more torque (in Nm) than 1991 Mitsubishi Sigma. (251 Nm @ 3000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 2007 BMW X5 | 1991 Mitsubishi Sigma | |
| Make | BMW | Mitsubishi |
| Model | X5 | Sigma |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2972 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 350 HP | 176 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 475 Nm | 251 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 2200 kg | 1470 kg |
| Vehicle Length | 4670 mm | 4760 mm |
| Vehicle Width | 1940 mm | 1780 mm |
| Vehicle Height | 1740 mm | 1440 mm |
| Wheelbase Size | 2940 mm | 2730 mm |
