2009 Audi A4 vs. 1972 Citroen DS
To start off, 2009 Audi A4 is newer by 37 year(s). Which means there will be less support and parts availability for 1972 Citroen DS. In addition, the cost of maintenance, including insurance, on 1972 Citroen DS would be higher. At 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (237 HP @ 4000 RPM) has 139 more horse power than 1972 Citroen DS. (98 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1972 Citroen DS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 485 kg more than 1972 Citroen DS. 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 1972 Citroen DS. 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 (500 Nm @ 1500 RPM) has 349 more torque (in Nm) than 1972 Citroen DS. (151 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen DS.
Compare all specifications:
| 2009 Audi A4 | 1972 Citroen DS | |
| Make | Audi | Citroen |
| Model | A4 | DS |
| Year Released | 2009 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 98 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 500 Nm | 151 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.4 mm | 85.5 mm |
| Engine Compression Ratio | 16.8:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1695 kg | 1210 kg |
| Vehicle Length | 4710 mm | 4810 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2810 mm | 3130 mm |
