1991 Buick Riviera vs. 1986 Nissan Sunny
To start off, 1991 Buick Riviera is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1986 Nissan Sunny would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Buick Riviera (170 HP @ 4800 RPM) has 96 more horse power than 1986 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 1986 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 705 kg more than 1986 Nissan Sunny. 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 Buick Riviera (285 Nm @ 3200 RPM) has 161 more torque (in Nm) than 1986 Nissan Sunny. (124 Nm @ 2800 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1986 Nissan Sunny.
Compare all specifications:
| 1991 Buick Riviera | 1986 Nissan Sunny | |
| Make | Buick | Nissan |
| Model | Riviera | Sunny |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1488 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 74 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 285 Nm | 124 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 815 kg |
| Vehicle Length | 5040 mm | 4140 mm |
| Vehicle Width | 1830 mm | 1650 mm |
| Vehicle Height | 1350 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2410 mm |
