1979 Alfa Romeo Alfetta vs. 1972 Citroen SM

To start off, 1979 Alfa Romeo Alfetta is newer by 7 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 93 more horse power than 1979 Alfa Romeo Alfetta. (80 HP @ 4300 RPM) In normal driving conditions, 1972 Citroen SM should accelerate faster than 1979 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 200 kg more than 1979 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1979 Alfa Romeo Alfetta 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 1979 Alfa Romeo Alfetta. However, in wet, icy, snow, or gravel driving conditions, 1972 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, 1972 Citroen SM (237 Nm @ 4000 RPM) has 75 more torque (in Nm) than 1979 Alfa Romeo Alfetta. (162 Nm @ 2300 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1979 Alfa Romeo Alfetta.

Compare all specifications:

1979 Alfa Romeo Alfetta 1972 Citroen SM
Make Alfa Romeo Citroen
Model Alfetta SM
Year Released 1979 1972
Engine Position Front Front
Engine Size 1995 cc 2669 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line V
Valves per Cylinder 2 valves 2 valves
Horse Power 80 HP 173 HP
Engine RPM 4300 RPM 5500 RPM
Torque 162 Nm 237 Nm
Torque RPM 2300 RPM 4000 RPM
Engine Bore Size 88 mm 87 mm
Engine Stroke Size 82 mm 75 mm
Engine Compression Ratio 22.0:1 9.0:1
Drive Type Rear Front
Number of Seats 5 seats 2 seats
Number of Doors 4 doors 2 doors
Vehicle Weight 1250 kg 1450 kg
Vehicle Length 4390 mm 4900 mm
Vehicle Width 1650 mm 1850 mm
Vehicle Height 1440 mm 1330 mm
Wheelbase Size 2520 mm 2960 mm
Fuel Tank Capacity 49 L 25 L


 

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