2009 Audi A4 vs. 1986 Citroen C
To start off, 2009 Audi A4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Citroen C. In addition, the cost of maintenance, including insurance, on 1986 Citroen C would be higher. At 2,697 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 3500 RPM) has 128 more horse power than 1986 Citroen C. (59 HP @ 4600 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1986 Citroen C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 700 kg more than 1986 Citroen C. 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, 2009 Audi A4 (400 Nm @ 1400 RPM) has 290 more torque (in Nm) than 1986 Citroen C. (110 Nm @ 2000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Citroen C.
Compare all specifications:
| 2009 Audi A4 | 1986 Citroen C | |
| Make | Audi | Citroen |
| Model | A4 | C |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2697 cc | 1761 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 187 HP | 59 HP |
| Engine RPM | 3500 RPM | 4600 RPM |
| Torque | 400 Nm | 110 Nm |
| Torque RPM | 1400 RPM | 2000 RPM |
| Engine Bore Size | 82.6 mm | 80.1 mm |
| Engine Stroke Size | 84.1 mm | 88 mm |
| Engine Compression Ratio | 17.5:1 | 23.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1645 kg | 945 kg |
| Vehicle Length | 4710 mm | 4010 mm |
| Vehicle Width | 1830 mm | 1650 mm |
| Vehicle Height | 1440 mm | 1820 mm |
| Wheelbase Size | 2810 mm | 2750 mm |
