1981 Renault 9 vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 32 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 would be higher. At 2,979 cc (6 cylinders), 2013 BMW 3 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 3 Series (316 HP @ 5900 RPM) has 269 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM) In normal driving conditions, 2013 BMW 3 Series should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 3 Series weights approximately 995 kg more than 1981 Renault 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1981 Renault 9 | 2013 BMW 3 Series | |
| Make | Renault | BMW |
| Model | 9 | 3 Series |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1108 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 47 HP | 316 HP |
| Engine RPM | 5250 RPM | 5900 RPM |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 70 mm | 84 mm |
| Engine Stroke Size | 72 mm | 89 mm |
| Engine Compression Ratio | 9.2:1 | 10.2 :1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 820 kg | 1815 kg |
| Vehicle Length | 4070 mm | 4620 mm |
| Vehicle Width | 1660 mm | 1961 mm |
| Vehicle Height | 1410 mm | 1370 mm |
| Wheelbase Size | 2490 mm | 2760 mm |
| Fuel Tank Capacity | 38 L | 61 L |
