2006 Audi A4 vs. 1990 Renault 21
To start off, 2006 Audi A4 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 2,068 cc (4 cylinders), 1990 Renault 21 is equipped with a bigger engine. In terms of performance, 1990 Renault 21 (175 HP @ 5200 RPM) has 13 more horse power than 2006 Audi A4. (162 HP @ 5700 RPM) In normal driving conditions, 1990 Renault 21 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 115 kg more than 1990 Renault 21.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 1990 Renault 21 (271 Nm @ 3000 RPM) has 46 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 1990 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 1990 Renault 21 | |
| Make | Audi | Renault |
| Model | A4 | 21 |
| Year Released | 2006 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 162 HP | 175 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 225 Nm | 271 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Top Speed | 226 km/hour | 222 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1345 kg |
| Vehicle Length | 4550 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 62 L |
