2007 Audi S4 vs. 1971 Citroen DS
To start off, 2007 Audi S4 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Citroen DS. In addition, the cost of maintenance, including insurance, on 1971 Citroen DS would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 241 more horse power than 1971 Citroen DS. (98 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1971 Citroen DS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 543 kg more than 1971 Citroen DS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen DS. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 259 more torque (in Nm) than 1971 Citroen DS. (151 Nm @ 3500 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen DS.
Compare all specifications:
| 2007 Audi S4 | 1971 Citroen DS | |
| Make | Audi | Citroen |
| Model | S4 | DS |
| Year Released | 2007 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1985 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 339 HP | 98 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 410 Nm | 151 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.6 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 85.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1755 kg | 1212 kg |
| Vehicle Length | 4590 mm | 4810 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2650 mm | 3130 mm |
