1999 Buick Regal vs. 1981 Nissan Sunny
To start off, 1999 Buick Regal is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1981 Nissan Sunny would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (197 HP @ 5200 RPM) has 123 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 745 kg more than 1981 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, 1999 Buick Regal (311 Nm @ 4000 RPM) has 188 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1999 Buick Regal | 1981 Nissan Sunny | |
| Make | Buick | Nissan |
| Model | Regal | Sunny |
| Year Released | 1999 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1487 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 197 HP | 74 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 311 Nm | 123 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 815 kg |
| Vehicle Length | 4990 mm | 4140 mm |
| Vehicle Width | 1850 mm | 1650 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2780 mm | 2410 mm |
