1989 Buick Riviera vs. 1991 Mitsubishi Sigma
To start off, 1991 Mitsubishi Sigma is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1989 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1989 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Mitsubishi Sigma (202 HP @ 6000 RPM) has 37 more horse power than 1989 Buick Riviera. (165 HP @ 4800 RPM) In normal driving conditions, 1991 Mitsubishi Sigma should accelerate faster than 1989 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mitsubishi Sigma weights approximately 56 kg more than 1989 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1989 Buick Riviera (285 Nm @ 2000 RPM) has 15 more torque (in Nm) than 1991 Mitsubishi Sigma. (270 Nm @ 3000 RPM). This means 1989 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Mitsubishi Sigma.
Compare all specifications:
1989 Buick Riviera | 1991 Mitsubishi Sigma | |
Make | Buick | Mitsubishi |
Model | Riviera | Sigma |
Year Released | 1989 | 1991 |
Engine Position | Front | Front |
Engine Size | 3800 cc | 2972 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 165 HP | 202 HP |
Engine RPM | 4800 RPM | 6000 RPM |
Torque | 285 Nm | 270 Nm |
Torque RPM | 2000 RPM | 3000 RPM |
Fuel Type | Gasoline | Gasoline |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1524 kg | 1580 kg |
Vehicle Length | 5040 mm | 4760 mm |
Vehicle Width | 1830 mm | 1780 mm |
Wheelbase Size | 2760 mm | 2730 mm |