1973 Citroen SM vs. 2010 BMW Z4
To start off, 2010 BMW Z4 is newer by 37 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 3,000 cc (6 cylinders), 2010 BMW Z4 is equipped with a bigger engine. In terms of performance, 2010 BMW Z4 (300 HP @ 5800 RPM) has 123 more horse power than 1973 Citroen SM. (177 HP @ 6500 RPM) In normal driving conditions, 2010 BMW Z4 should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW Z4 weights approximately 85 kg more than 1973 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 BMW Z4 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 2010 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1973 Citroen SM, 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.
Compare all specifications:
| 1973 Citroen SM | 2010 BMW Z4 | |
| Make | Citroen | BMW |
| Model | SM | Z4 |
| Year Released | 1973 | 2010 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 177 HP | 300 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1565 kg |
| Vehicle Length | 4900 mm | 4239 mm |
| Vehicle Width | 1850 mm | 1791 mm |
| Vehicle Height | 1330 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2497 mm |
