2004 Audi A6 vs. 1981 Renault 18
To start off, 2004 Audi A6 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 2,496 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (180 HP @ 6000 RPM) has 100 more horse power than 1981 Renault 18. (80 HP @ 5000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 637 kg more than 1981 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi A6 (235 Nm @ 3000 RPM) has 98 more torque (in Nm) than 1981 Renault 18. (137 Nm @ 3000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 2004 Audi A6 | 1981 Renault 18 | |
| Make | Audi | Renault |
| Model | A6 | 18 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1647 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 80 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 235 Nm | 137 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 77.4 mm | 83.5 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1662 kg | 1025 kg |
| Vehicle Length | 4940 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1410 mm |
