2009 Audi A5 vs. 1979 Citroen CX
To start off, 2009 Audi A5 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Citroen CX. In addition, the cost of maintenance, including insurance, on 1979 Citroen CX would be higher. At 1,984 cc (4 cylinders), 1979 Citroen CX is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (168 HP @ 4800 RPM) has 67 more horse power than 1979 Citroen CX. (101 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1979 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 130 kg more than 1979 Citroen CX. 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 A5 (250 Nm @ 1500 RPM) has 89 more torque (in Nm) than 1979 Citroen CX. (161 Nm @ 3000 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Citroen CX.
Compare all specifications:
| 2009 Audi A5 | 1979 Citroen CX | |
| Make | Audi | Citroen |
| Model | A5 | CX |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 101 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 250 Nm | 161 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 82.6 mm | 83 mm |
| Engine Stroke Size | 84.1 mm | 88 mm |
| Engine Compression Ratio | 9.6:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1265 kg |
| Vehicle Length | 4630 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 2850 mm |
| Fuel Tank Capacity | 65 L | 68 L |
