2005 Audi A4 vs. 1978 Citroen CX
To start off, 2005 Audi A4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Citroen CX. In addition, the cost of maintenance, including insurance, on 1978 Citroen CX would be higher. At 2,499 cc (4 cylinders), 1978 Citroen CX is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (174 HP @ 4000 RPM) has 100 more horse power than 1978 Citroen CX. (74 HP @ 4250 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 225 kg more than 1978 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Citroen CX. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (230 Nm) has 81 more torque (in Nm) than 1978 Citroen CX. (149 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 2005 Audi A4 | 1978 Citroen CX | |
| Make | Audi | Citroen |
| Model | A4 | CX |
| Year Released | 2005 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 174 HP | 74 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 230 Nm | 149 Nm |
| Engine Bore Size | 81 mm | 93.1 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Drive Type | 4WD | Front |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1595 kg | 1370 kg |
| Vehicle Length | 4550 mm | 4670 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Tank Capacity | 63 L | 80 L |
