2009 Audi A4 vs. 1987 Renault 21
To start off, 2009 Audi A4 is newer by 22 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 3,123 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 5100 RPM) has 77 more horse power than 1987 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Renault 21 weights approximately 260 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Renault 21. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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 (331 Nm @ 3250 RPM) has 61 more torque (in Nm) than 1987 Renault 21. (270 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Renault 21. 2009 Audi A4 has automatic transmission and 1987 Renault 21 has manual transmission. 1987 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 | 1987 Renault 21 | |
| Make | Audi | Renault |
| Model | A4 | 21 |
| Year Released | 2009 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 252 HP | 175 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 331 Nm | 270 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 88 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Top Speed | 250 km/hour | 227 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1190 kg |
| Vehicle Length | 4580 mm | 4650 mm |
| Vehicle Width | 1400 mm | 1720 mm |
| Vehicle Height | 1780 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
