1979 Audi 100 vs. 1991 Renault 21
To start off, 1991 Renault 21 is newer by 12 year(s). Which means there will be less support and parts availability for 1979 Audi 100. In addition, the cost of maintenance, including insurance, on 1979 Audi 100 would be higher. At 1,721 cc (4 cylinders), 1991 Renault 21 is equipped with a bigger engine. In terms of performance, 1979 Audi 100 (85 HP @ 5600 RPM) has 10 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1979 Audi 100 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1979 Audi 100 weights approximately 155 kg more than 1991 Renault 21. 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, 1991 Renault 21 (129 Nm @ 3250 RPM) has 5 more torque (in Nm) than 1979 Audi 100. (124 Nm @ 3200 RPM). This means 1991 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1979 Audi 100.
Compare all specifications:
| 1979 Audi 100 | 1991 Renault 21 | |
| Make | Audi | Renault |
| Model | 100 | 21 |
| Year Released | 1979 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 124 Nm | 129 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 955 kg |
| Vehicle Length | 4600 mm | 4470 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2680 mm | 2550 mm |
