2008 Audi A4 vs. 1978 Renault 18
To start off, 2008 Audi A4 is newer by 30 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,781 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (161 HP @ 5700 RPM) has 83 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 515 kg more than 1978 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, 2008 Audi A4 (225 Nm @ 1950 RPM) has 89 more torque (in Nm) than 1978 Renault 18. (136 Nm @ 3000 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 2008 Audi A4 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | A4 | 18 |
| Year Released | 2008 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1647 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 78 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 225 Nm | 136 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 83.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1025 kg |
| Vehicle Length | 4580 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1410 mm |
