1971 Buick Riviera vs. 1992 Mitsubishi Sigma
To start off, 1992 Mitsubishi Sigma is newer by 21 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 136 more horse power than 1992 Mitsubishi Sigma. (175 HP @ 5500 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 1992 Mitsubishi Sigma. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 570 kg more than 1992 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 366 more torque (in Nm) than 1992 Mitsubishi Sigma. (251 Nm @ 3000 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1992 Mitsubishi Sigma.
Compare all specifications:
| 1971 Buick Riviera | 1992 Mitsubishi Sigma | |
| Make | Buick | Mitsubishi |
| Model | Riviera | Sigma |
| Year Released | 1971 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 2972 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 311 HP | 175 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 617 Nm | 251 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2040 kg | 1470 kg |
| Vehicle Length | 5560 mm | 4760 mm |
| Vehicle Width | 2040 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 3110 mm | 2730 mm |
