2003 Alfa Romeo 156 vs. 1971 Citroen SM
To start off, 2003 Alfa Romeo 156 is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Citroen SM. In addition, the cost of maintenance, including insurance, on 1971 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1971 Citroen SM is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (162 HP @ 6400 RPM) has 4 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 70 kg more than 2003 Alfa Romeo 156.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1971 Citroen SM (235 Nm @ 4000 RPM) has 28 more torque (in Nm) than 2003 Alfa Romeo 156. (207 Nm @ 3250 RPM). This means 1971 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
2003 Alfa Romeo 156 | 1971 Citroen SM | |
Make | Alfa Romeo | Citroen |
Model | 156 | SM |
Year Released | 2003 | 1971 |
Body Type | Station Wagon | Coupe |
Engine Position | Front | Front |
Engine Size | 1910 cc | 2670 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 162 HP | 158 HP |
Engine RPM | 6400 RPM | 5500 RPM |
Torque | 207 Nm | 235 Nm |
Torque RPM | 3250 RPM | 4000 RPM |
Engine Bore Size | 83 mm | 87 mm |
Engine Stroke Size | 91 mm | 75 mm |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1380 kg | 1450 kg |
Vehicle Length | 4450 mm | 4900 mm |
Vehicle Width | 1750 mm | 1850 mm |
Vehicle Height | 1440 mm | 1330 mm |
Wheelbase Size | 2550 mm | 2950 mm |
Fuel Tank Capacity | 63 L | 89 L |