2009 Audi A6 vs. 1981 Citroen CX
To start off, 2009 Audi A6 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Citroen CX. In addition, the cost of maintenance, including insurance, on 1981 Citroen CX would be higher. At 2,698 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (178 HP @ 3300 RPM) has 73 more horse power than 1981 Citroen CX. (105 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1981 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 473 kg more than 1981 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Citroen CX. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 A6 (380 Nm @ 1400 RPM) has 228 more torque (in Nm) than 1981 Citroen CX. (152 Nm @ 3250 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Citroen CX.
Compare all specifications:
| 2009 Audi A6 | 1981 Citroen CX | |
| Make | Audi | Citroen |
| Model | A6 | CX |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 105 HP |
| Engine RPM | 3300 RPM | 5500 RPM |
| Torque | 380 Nm | 152 Nm |
| Torque RPM | 1400 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 83.1 mm | 85.5 mm |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 223 km/hour | 175 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1225 kg |
| Vehicle Length | 4940 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2850 mm | 2750 mm |
| Fuel Consumption Overall | 8.3 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
