2009 Audi A4 vs. 1979 Citroen CX
To start off, 2009 Audi A4 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 1,995 cc (4 cylinders), 1979 Citroen CX is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (187 HP @ 5700 RPM) has 81 more horse power than 1979 Citroen CX. (106 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1979 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 250 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.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Citroen CX. 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 (240 Nm @ 1950 RPM) has 81 more torque (in Nm) than 1979 Citroen CX. (159 Nm @ 3250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Citroen CX.
Compare all specifications:
| 2009 Audi A4 | 1979 Citroen CX | |
| Make | Audi | Citroen |
| Model | A4 | CX |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 187 HP | 106 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 240 Nm | 159 Nm |
| Torque RPM | 1950 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 85.5 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 234 km/hour | 175 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1225 kg |
| Vehicle Length | 4550 mm | 4670 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 66 L | 80 L |
