1971 Citroen DS vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 42 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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 341 more horse power than 1971 Citroen DS. (98 HP @ 5500 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1971 Citroen DS. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 838 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 2013 BMW 6 series is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 BMW 6 series. However, in wet, icy, snow, or gravel driving conditions, 1971 Citroen DS, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 500 more torque (in Nm) than 1971 Citroen DS. (151 Nm @ 3500 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen DS.
Compare all specifications:
| 1971 Citroen DS | 2013 BMW 6 series | |
| Make | Citroen | BMW |
| Model | DS | 6 series |
| Year Released | 1971 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 98 HP | 439 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 151 Nm | 651 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 85.5 mm | 89 mm |
| Engine Compression Ratio | 9.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1212 kg | 2050 kg |
| Vehicle Length | 4810 mm | 4897 mm |
| Vehicle Width | 1800 mm | 1895 mm |
| Vehicle Height | 1480 mm | 1364 mm |
| Wheelbase Size | 3130 mm | 2855 mm |
