1970 Audi 100 vs. 1978 Renault 18
To start off, 1978 Renault 18 is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Audi 100. In addition, the cost of maintenance, including insurance, on 1970 Audi 100 would be higher. At 1,871 cc (4 cylinders), 1970 Audi 100 is equipped with a bigger engine. In terms of performance, 1970 Audi 100 (109 HP @ 5600 RPM) has 31 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 1970 Audi 100 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1970 Audi 100 weights approximately 112 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 1970 Audi 100 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1970 Audi 100. However, in wet, icy, snow, or gravel driving conditions, 1978 Renault 18, being front wheel drive (FWD), will offer much better control with better grip. 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, 1970 Audi 100 (163 Nm @ 3500 RPM) has 30 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 1970 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 1970 Audi 100 | 1978 Renault 18 | |
| Make | Audi | Renault |
| Model | 100 | 18 |
| Year Released | 1970 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1871 cc | 1645 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 78 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 163 Nm | 133 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.1 mm | 81 mm |
| Engine Stroke Size | 84.4 mm | 83.5 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1082 kg | 970 kg |
| Vehicle Length | 4410 mm | 4390 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1340 mm | 1410 mm |
| Wheelbase Size | 2570 mm | 2450 mm |
| Fuel Tank Capacity | 58 L | 53 L |
