2004 Mercury Mariner vs. 1991 Mitsubishi Sigma
To start off, 2004 Mercury Mariner is newer by 13 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, 1991 Mitsubishi Sigma (202 HP @ 6000 RPM) has 50 more horse power than 2004 Mercury Mariner. (152 HP @ 5800 RPM) In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 2004 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 35 kg more than 2004 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mitsubishi Sigma (270 Nm @ 3000 RPM) has 64 more torque (in Nm) than 2004 Mercury Mariner. (206 Nm @ 4250 RPM). This means 1991 Mitsubishi Sigma will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercury Mariner.
Compare all specifications:
| 2004 Mercury Mariner | 1991 Mitsubishi Sigma | |
| Make | Mercury | Mitsubishi |
| Model | Mariner | Sigma |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 2972 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 152 HP | 202 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 206 Nm | 270 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1545 kg | 1580 kg |
| Vehicle Length | 4430 mm | 4760 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1730 mm | 1440 mm |
| Wheelbase Size | 2630 mm | 2730 mm |
