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 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (197 HP @ 5100 RPM) has 122 more horse power than 1986 Renault 21. (75 HP @ 5000 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. 1986 Renault 21 weights approximately 25 kg more than 2009 Audi A4.
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 (280 Nm @ 1800 RPM) has 151 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2009 Audi A4 has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
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 | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 75 HP |
| Engine RPM | 5100 RPM | 5000 RPM |
| Torque | 280 Nm | 129 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Top Speed | 233 km/hour | 176 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 955 kg |
| Vehicle Length | 4580 mm | 4470 mm |
| Vehicle Width | 1400 mm | 1710 mm |
| Vehicle Height | 1780 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2670 mm |
| Fuel Tank Capacity | 70 L | 66 L |
