1999 Audi A4 vs. 1978 Citroen CX
To start off, 1999 Audi A4 is newer by 21 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, 1999 Audi A4 (248 HP @ 4150 RPM) has 174 more horse power than 1978 Citroen CX. (74 HP @ 4250 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1978 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 60 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 1999 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, 1999 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, 1999 Audi A4 (339 Nm @ 1900 RPM) has 190 more torque (in Nm) than 1978 Citroen CX. (149 Nm @ 2000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen CX.
Compare all specifications:
| 1999 Audi A4 | 1978 Citroen CX | |
| Make | Audi | Citroen |
| Model | A4 | CX |
| Year Released | 1999 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2499 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 74 HP |
| Engine RPM | 4150 RPM | 4250 RPM |
| Torque | 339 Nm | 149 Nm |
| Torque RPM | 1900 RPM | 2000 RPM |
| Engine Bore Size | 79.5 mm | 93.1 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1370 kg |
| Vehicle Length | 4480 mm | 4670 mm |
| Vehicle Width | 1740 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 80 L |
