2009 Audi A4 vs. 1986 Renault 21
To start off, 2009 Audi A4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 2,067 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (208 HP @ 4300 RPM) has 121 more horse power than 1986 Renault 21. (87 HP @ 4250 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 410 kg more than 1986 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 165 more torque (in Nm) than 1986 Renault 21. (185 Nm @ 2000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 2009 Audi A4 | 1986 Renault 21 | |
| Make | Audi | Renault |
| Model | A4 | 21 |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2067 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 208 HP | 87 HP |
| Engine RPM | 4300 RPM | 4250 RPM |
| Torque | 350 Nm | 185 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 89 mm |
| Engine Compression Ratio | 9.6:1 | 21.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1545 kg | 1135 kg |
| Vehicle Length | 4710 mm | 4540 mm |
| Vehicle Width | 1830 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2810 mm | 2670 mm |
