1980 BMW 725 vs. 1973 Citroen SM
To start off, 1980 BMW 725 is newer by 7 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 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (171 HP @ 5500 RPM) has 23 more horse power than 1980 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 1973 Citroen SM should accelerate faster than 1980 BMW 725.
Because 1980 BMW 725 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 1980 BMW 725. 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. Let's talk about torque, 1973 Citroen SM (237 Nm @ 4000 RPM) has 22 more torque (in Nm) than 1980 BMW 725. (215 Nm @ 4000 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1980 BMW 725.
Compare all specifications:
1980 BMW 725 | 1973 Citroen SM | |
Make | BMW | Citroen |
Model | 725 | SM |
Year Released | 1980 | 1973 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2495 cc | 2670 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 148 HP | 171 HP |
Engine RPM | 5500 RPM | 5500 RPM |
Torque | 215 Nm | 237 Nm |
Torque RPM | 4000 RPM | 4000 RPM |
Engine Bore Size | 86 mm | 87 mm |
Engine Stroke Size | 71.6 mm | 75 mm |
Engine Compression Ratio | 9.6:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Length | 4870 mm | 4900 mm |
Vehicle Width | 1810 mm | 1850 mm |
Vehicle Height | 1440 mm | 1330 mm |
Wheelbase Size | 2810 mm | 2960 mm |