2009 Audi A4 vs. 1981 Renault 9
To start off, 2009 Audi A4 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 3,197 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (261 HP @ 6500 RPM) has 207 more horse power than 1981 Renault 9. (54 HP @ 4800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 715 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, 2009 Audi A4 (330 Nm @ 3000 RPM) has 226 more torque (in Nm) than 1981 Renault 9. (104 Nm @ 2250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2009 Audi A4 | 1981 Renault 9 | |
| Make | Audi | Renault |
| Model | A4 | 9 |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 1595 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 261 HP | 54 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 330 Nm | 104 Nm |
| Torque RPM | 3000 RPM | 2250 RPM |
| Engine Bore Size | 84.6 mm | 78 mm |
| Engine Stroke Size | 92.8 mm | 83.5 mm |
| Engine Compression Ratio | 12.5:1 | 22.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 915 kg |
| Vehicle Length | 4710 mm | 4070 mm |
| Vehicle Width | 1830 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2810 mm | 2490 mm |
| Fuel Tank Capacity | 64 L | 38 L |
