1974 BMW 1502 vs. 1972 Citroen SM
To start off, 1974 BMW 1502 is newer by 2 year(s). Which means there will be less support and parts availability for 1972 Citroen SM. In addition, the cost of maintenance, including insurance, on 1972 Citroen SM would be higher. At 2,669 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (173 HP @ 5500 RPM) has 90 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 520 kg more than 1974 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 Citroen SM (237 Nm @ 4000 RPM) has 107 more torque (in Nm) than 1974 BMW 1502. (130 Nm @ 3500 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 1502.
Compare all specifications:
1974 BMW 1502 | 1972 Citroen SM | |
Make | BMW | Citroen |
Model | 1502 | SM |
Year Released | 1974 | 1972 |
Engine Position | Front | Front |
Engine Size | 1574 cc | 2669 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 83 HP | 173 HP |
Engine RPM | 5800 RPM | 5500 RPM |
Torque | 130 Nm | 237 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 87 mm |
Engine Stroke Size | 71 mm | 75 mm |
Engine Compression Ratio | 8.6:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 930 kg | 1450 kg |
Vehicle Length | 4240 mm | 4900 mm |
Vehicle Width | 1600 mm | 1850 mm |
Vehicle Height | 1420 mm | 1330 mm |
Wheelbase Size | 2510 mm | 2960 mm |
Fuel Tank Capacity | 50 L | 25 L |