2009 Audi A6 vs. 1991 Mitsubishi Sigma
To start off, 2009 Audi A6 is newer by 18 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 3,122 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 50 more horse power than 1991 Mitsubishi Sigma. (202 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1991 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 550 kg more than 2009 Audi A6.
Let's talk about torque, 2009 Audi A6 (330 Nm @ 3250 RPM) has 60 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 2009 Audi A6 | 1991 Mitsubishi Sigma | |
| Make | Audi | Mitsubishi |
| Model | A6 | Sigma |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3122 cc | 2972 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 202 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 270 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1580 kg |
| Vehicle Length | 4920 mm | 4760 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
