1981 Renault 9 vs. 2013 BMW 1 Series
To start off, 2013 BMW 1 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 1 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 1 Series (296 HP @ 5800 RPM) has 242 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM) In normal driving conditions, 2013 BMW 1 Series should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 1 Series weights approximately 735 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.
Let's talk about torque, 2013 BMW 1 Series (407 Nm @ 5000 RPM) has 303 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2013 BMW 1 Series will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1981 Renault 9 | 2013 BMW 1 Series | |
| Make | Renault | BMW |
| Model | 9 | 1 Series |
| Year Released | 1981 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 54 HP | 296 HP |
| Engine RPM | 4800 RPM | 5800 RPM |
| Torque | 104 Nm | 407 Nm |
| Torque RPM | 2250 RPM | 5000 RPM |
| Engine Bore Size | 78 mm | 84 mm |
| Engine Stroke Size | 83.5 mm | 89 mm |
| Engine Compression Ratio | 22.5:1 | 10.2 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 915 kg | 1650 kg |
| Vehicle Length | 4070 mm | 4373 mm |
| Vehicle Width | 1660 mm | 1919 mm |
| Vehicle Height | 1410 mm | 1408 mm |
| Wheelbase Size | 2490 mm | 2660 mm |
| Fuel Tank Capacity | 38 L | 53 L |
