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 1,983 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 5900 RPM) has 130 more horse power than 1986 Renault 21. (87 HP @ 5500 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 425 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 (300 Nm @ 2200 RPM) has 162 more torque (in Nm) than 1986 Renault 21. (138 Nm @ 3500 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 | 1983 cc | 1719 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 217 HP | 87 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 300 Nm | 138 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 83.5 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 247 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1455 kg | 1030 kg |
| Vehicle Length | 4610 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 34 L |
