1978 Audi 100 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 8 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (87 HP @ 4250 RPM) has 17 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1978 Audi 100 weights approximately 75 kg more than 1986 Renault 21.
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, 1986 Renault 21 (185 Nm @ 2000 RPM) has 60 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 1986 Renault 21 | |
| Make | Audi | Renault |
| Model | 100 | 21 |
| Year Released | 1978 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 2067 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 87 HP |
| Engine RPM | 4800 RPM | 4250 RPM |
| Torque | 125 Nm | 185 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 76.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 89 mm |
| Engine Compression Ratio | 23.0:1 | 21.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1210 kg | 1135 kg |
| Vehicle Length | 4690 mm | 4540 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2680 mm | 2670 mm |
