2009 BMW Z4 vs. 1981 Renault 9
To start off, 2009 BMW Z4 is newer by 28 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 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 291 more horse power than 1981 Renault 9. (47 HP @ 5250 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 665 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:
| 2009 BMW Z4 | 1981 Renault 9 | |
| Make | BMW | Renault |
| Model | Z4 | 9 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1108 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 338 HP | 47 HP |
| Engine RPM | 7900 RPM | 5250 RPM |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Compression Ratio | 11.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 820 kg |
| Vehicle Length | 4120 mm | 4070 mm |
| Vehicle Width | 1310 mm | 1660 mm |
| Vehicle Height | 1790 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2490 mm |
| Fuel Tank Capacity | 70 L | 38 L |
