1990 Buick Roadmaster vs. 1971 Renault 15
To start off, 1990 Buick Roadmaster is newer by 19 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 5,732 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1990 Buick Roadmaster (177 HP @ 4000 RPM) has 88 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 1990 Buick Roadmaster should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 1010 kg more than 1971 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Buick Roadmaster (406 Nm @ 2400 RPM) has 281 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1990 Buick Roadmaster | 1971 Renault 15 | |
| Make | Buick | Renault |
| Model | Roadmaster | 15 |
| Year Released | 1990 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 5732 cc | 1565 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 89 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 406 Nm | 125 Nm |
| Torque RPM | 2400 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2030 kg | 1020 kg |
| Vehicle Length | 5490 mm | 4260 mm |
| Vehicle Width | 2040 mm | 1640 mm |
| Vehicle Height | 1540 mm | 1320 mm |
| Wheelbase Size | 2950 mm | 2440 mm |
| Fuel Tank Capacity | 62 L | 38 L |
