2007 Audi A3 vs. 1978 Renault 18
To start off, 2007 Audi A3 is newer by 29 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 3,187 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 169 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 595 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.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Renault 18. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 will offer significantly more control. 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, 2007 Audi A3 (320 Nm @ 8200 RPM) has 187 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 2007 Audi A3 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | A3 | 18 |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 1645 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 78 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 320 Nm | 133 Nm |
| Torque RPM | 8200 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 95.9 mm | 83.5 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1565 kg | 970 kg |
| Vehicle Length | 4290 mm | 4390 mm |
| Vehicle Width | 1770 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2580 mm | 2450 mm |
| Fuel Tank Capacity | 60 L | 53 L |
