2006 Audi Q7 vs. 1991 Mitsubishi Sigma
To start off, 2006 Audi Q7 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, 2006 Audi Q7 (230 HP @ 4000 RPM) has 54 more horse power than 1991 Mitsubishi Sigma. (176 HP @ 5500 RPM). In normal driving conditions, 2006 Audi Q7 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi Q7 weights approximately 825 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, 2006 Audi Q7 (500 Nm @ 1750 RPM) has 249 more torque (in Nm) than 1991 Mitsubishi Sigma. (251 Nm @ 3000 RPM). This means 2006 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 2006 Audi Q7 | 1991 Mitsubishi Sigma | |
| Make | Audi | Mitsubishi |
| Model | Q7 | Sigma |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2972 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 230 HP | 176 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 500 Nm | 251 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 2295 kg | 1470 kg |
| Vehicle Length | 5090 mm | 4760 mm |
| Vehicle Width | 1990 mm | 1780 mm |
| Vehicle Height | 1740 mm | 1440 mm |
| Wheelbase Size | 3010 mm | 2730 mm |
