1971 BMW 3 vs. 1986 Renault 9
To start off, 1986 Renault 9 is newer by 15 year(s). Which means there will be less support and parts availability for 1971 BMW 3. In addition, the cost of maintenance, including insurance, on 1971 BMW 3 would be higher. At 2,986 cc (6 cylinders), 1971 BMW 3 is equipped with a bigger engine. In terms of performance, 1971 BMW 3 (180 HP @ 6000 RPM) has 133 more horse power than 1986 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 1971 BMW 3 should accelerate faster than 1986 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 1971 BMW 3 weights approximately 560 kg more than 1986 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1971 BMW 3 | 1986 Renault 9 | |
| Make | BMW | Renault |
| Model | 3 | 9 |
| Year Released | 1971 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 1108 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 180 HP | 47 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque RPM | 3700 RPM | 2500 RPM |
| Engine Bore Size | 89 mm | 70 mm |
| Engine Stroke Size | 80 mm | 72 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1380 kg | 820 kg |
| Vehicle Length | 4740 mm | 4070 mm |
| Vehicle Width | 1700 mm | 1660 mm |
| Vehicle Height | 1370 mm | 1410 mm |
| Wheelbase Size | 2670 mm | 2490 mm |
