2005 Audi A4 vs. 1981 Renault 9
To start off, 2005 Audi A4 is newer by 24 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 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (129 HP @ 4000 RPM) has 44 more horse power than 1981 Renault 9. (85 HP @ 5000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1981 Renault 9. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 634 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, 2005 Audi A4 (310 Nm @ 1900 RPM) has 171 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 2005 Audi A4 | 1981 Renault 9 | |
| Make | Audi | Renault |
| Model | A4 | 9 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 85 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 310 Nm | 139 Nm |
| Torque RPM | 1900 RPM | 3250 RPM |
| Engine Bore Size | 79.5 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 83.5 mm |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1540 kg | 906 kg |
| Vehicle Length | 4550 mm | 4070 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2490 mm |
