1997 Audi A8 vs. 1987 Renault 21
To start off, 1997 Audi A8 is newer by 10 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 2,494 cc (6 cylinders), 1997 Audi A8 is equipped with a bigger engine. In terms of performance, 1987 Renault 21 (175 HP @ 5200 RPM) has 25 more horse power than 1997 Audi A8. (150 HP @ 4000 RPM) In normal driving conditions, 1987 Renault 21 should accelerate faster than 1997 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 1997 Audi A8 weights approximately 405 kg more than 1987 Renault 21.
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, 1997 Audi A8 (310 Nm @ 1500 RPM) has 40 more torque (in Nm) than 1987 Renault 21. (270 Nm @ 3000 RPM). This means 1997 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21.
Compare all specifications:
| 1997 Audi A8 | 1987 Renault 21 | |
| Make | Audi | Renault |
| Model | A8 | 21 |
| Year Released | 1997 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 175 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 310 Nm | 270 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 78.3 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Engine Compression Ratio | 19.5:1 | 8.0:1 |
| Top Speed | 220 km/hour | 227 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1190 kg |
| Vehicle Length | 5040 mm | 4650 mm |
| Vehicle Width | 1890 mm | 1720 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2610 mm |
