1968 Buick Riviera vs. 1975 Renault 15
To start off, 1975 Renault 15 is newer by 7 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 246 more horse power than 1975 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1975 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 935 kg more than 1975 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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 546 more torque (in Nm) than 1975 Renault 15. (99 Nm @ 3500 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1975 Renault 15.
Compare all specifications:
| 1968 Buick Riviera | 1975 Renault 15 | |
| Make | Buick | Renault |
| Model | Riviera | 15 |
| Year Released | 1968 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 1289 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 59 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 645 Nm | 99 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 106.2 mm | 75 mm |
| Engine Stroke Size | 99.4 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1900 kg | 965 kg |
| Vehicle Length | 5370 mm | 4270 mm |
| Vehicle Width | 2020 mm | 1640 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 3030 mm | 2440 mm |
| Fuel Tank Capacity | 75 L | 55 L |
