2006 Audi A6 vs. 1991 Mitsubishi Sigma
To start off, 2006 Audi A6 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 4,161 cc (8 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (335 HP @ 6600 RPM) has 159 more horse power than 1991 Mitsubishi Sigma. (176 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 410 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 A6 (420 Nm @ 3500 RPM) has 169 more torque (in Nm) than 1991 Mitsubishi Sigma. (251 Nm @ 3000 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 2006 Audi A6 | 1991 Mitsubishi Sigma | |
| Make | Audi | Mitsubishi |
| Model | A6 | Sigma |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2972 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 176 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 420 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Vehicle Weight | 1880 kg | 1470 kg |
| Vehicle Length | 4920 mm | 4760 mm |
| Vehicle Width | 2020 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
