1950 AC 2-Litre vs. 1974 Citroen SM
To start off, 1974 Citroen SM is newer by 24 year(s). Which means there will be less support and parts availability for 1950 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1950 AC 2-Litre would be higher. At 2,670 cc (6 cylinders), 1974 Citroen SM is equipped with a bigger engine. In terms of performance, 1974 Citroen SM (170 HP @ 5500 RPM) has 94 more horse power than 1950 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1974 Citroen SM should accelerate faster than 1950 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 124 kg more than 1950 AC 2-Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1950 AC 2-Litre 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 1950 AC 2-Litre. However, in wet, icy, snow, or gravel driving conditions, 1974 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, 1974 Citroen SM (237 Nm @ 4000 RPM) has 101 more torque (in Nm) than 1950 AC 2-Litre. (136 Nm @ 2500 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1950 AC 2-Litre.
Compare all specifications:
1950 AC 2-Litre | 1974 Citroen SM | |
Make | AC | Citroen |
Model | 2-Litre | SM |
Year Released | 1950 | 1974 |
Engine Position | Front | Front |
Engine Size | 1991 cc | 2670 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 76 HP | 170 HP |
Engine RPM | 4500 RPM | 5500 RPM |
Torque | 136 Nm | 237 Nm |
Torque RPM | 2500 RPM | 4000 RPM |
Engine Bore Size | 65 mm | 87.1 mm |
Engine Stroke Size | 100 mm | 75 mm |
Engine Compression Ratio | 6.8:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1326 kg | 1450 kg |
Vehicle Length | 4680 mm | 4900 mm |
Vehicle Width | 1710 mm | 1850 mm |
Vehicle Height | 1560 mm | 1330 mm |
Wheelbase Size | 2980 mm | 2960 mm |
Fuel Tank Capacity | 52 L | 25 L |