2005 Lexus IS vs. 1991 Mitsubishi Sigma
To start off, 2005 Lexus IS is newer by 14 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 2,999 cc (6 cylinders), 2005 Lexus IS is equipped with a bigger engine. In terms of performance, 1991 Mitsubishi Sigma (202 HP @ 6000 RPM) has 1 more horse power than 2005 Lexus IS. (201 HP @ 5600 RPM) In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2005 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 40 kg more than 2005 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Lexus IS (310 Nm @ 3800 RPM) has 40 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 2005 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
| 2005 Lexus IS | 1991 Mitsubishi Sigma | |
| Make | Lexus | Mitsubishi |
| Model | IS | Sigma |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 2972 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 202 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 310 Nm | 270 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1580 kg |
| Vehicle Length | 4510 mm | 4760 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2730 mm |
