1971 Audi 100 vs. 1981 Renault 18
To start off, 1981 Renault 18 is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Audi 100. In addition, the cost of maintenance, including insurance, on 1971 Audi 100 would be higher. At 2,068 cc (4 cylinders), 1981 Renault 18 is equipped with a bigger engine. In terms of performance, 1971 Audi 100 (109 HP @ 5600 RPM) has 43 more horse power than 1981 Renault 18. (66 HP @ 4500 RPM). In normal driving conditions, 1971 Audi 100 should accelerate faster than 1981 Renault 18.
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, 1971 Audi 100 (161 Nm @ 3500 RPM) has 37 more torque (in Nm) than 1981 Renault 18. (124 Nm @ 2250 RPM). This means 1971 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 1971 Audi 100 | 1981 Renault 18 | |
| Make | Audi | Renault |
| Model | 100 | 18 |
| Year Released | 1971 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1871 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 66 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 161 Nm | 124 Nm |
| Torque RPM | 3500 RPM | 2250 RPM |
| Engine Bore Size | 84 mm | 86.1 mm |
| Engine Stroke Size | 84.4 mm | 89 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Vehicle Weight | 1050 kg | 1050 kg |
| Vehicle Length | 4590 mm | 4410 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2690 mm | 2450 mm |
