1991 Buick Roadmaster vs. 1975 Nissan Sunny
To start off, 1991 Buick Roadmaster is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1975 Nissan Sunny would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (168 HP @ 4200 RPM) has 117 more horse power than 1975 Nissan Sunny. (51 HP @ 6000 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 1975 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 1200 kg more than 1975 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 Roadmaster (346 Nm @ 2400 RPM) has 267 more torque (in Nm) than 1975 Nissan Sunny. (79 Nm @ 3600 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1975 Nissan Sunny.
Compare all specifications:
| 1991 Buick Roadmaster | 1975 Nissan Sunny | |
| Make | Buick | Nissan |
| Model | Roadmaster | Sunny |
| Year Released | 1991 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 1171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 51 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 346 Nm | 79 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 2000 kg | 800 kg |
| Vehicle Length | 5540 mm | 3960 mm |
| Vehicle Width | 2040 mm | 1550 mm |
| Vehicle Height | 1540 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2350 mm |
