1970 Opel Commodore vs. 1971 Renault 15
To start off, 1971 Renault 15 is newer by 1 year(s). Which means there will be less support and parts availability for 1970 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1970 Opel Commodore would be higher. At 2,490 cc (6 cylinders), 1970 Opel Commodore is equipped with a bigger engine. In terms of performance, 1970 Opel Commodore (148 HP @ 5800 RPM) has 59 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 1970 Opel Commodore should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1970 Opel Commodore weights approximately 210 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, 1970 Opel Commodore (196 Nm @ 4500 RPM) has 71 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 1970 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1970 Opel Commodore | 1971 Renault 15 | |
| Make | Opel | Renault |
| Model | Commodore | 15 |
| Year Released | 1970 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 1565 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 89 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 196 Nm | 125 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 77 mm |
| Engine Stroke Size | 69.8 mm | 84 mm |
| Engine Compression Ratio | 9.7:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1230 kg | 1020 kg |
| Vehicle Length | 4580 mm | 4260 mm |
| Vehicle Width | 1760 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1320 mm |
| Wheelbase Size | 2670 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 38 L |
