2008 Audi A4 vs. 1987 Renault 21
To start off, 2008 Audi A4 is newer by 21 year(s). Which means there will be less support and parts availability for 1987 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 would be higher. At 1,968 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (138 HP @ 4000 RPM) has 74 more horse power than 1987 Renault 21. (64 HP @ 4500 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 325 kg more than 1987 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, 2008 Audi A4 (320 Nm @ 1750 RPM) has 202 more torque (in Nm) than 1987 Renault 21. (118 Nm @ 2250 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 2008 Audi A4 | 1987 Renault 21 | |
| Make | Audi | Renault |
| Model | A4 | 21 |
| Year Released | 2008 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1869 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 64 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 320 Nm | 118 Nm |
| Torque RPM | 1750 RPM | 2250 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 18.0:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1430 kg | 1105 kg |
| Vehicle Length | 4590 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2820 mm |
