2007 Alfa Romeo GT vs. 1974 Citroen SM
To start off, 2007 Alfa Romeo GT is newer by 33 year(s). Which means there will be less support and parts availability for 1974 Citroen SM. In addition, the cost of maintenance, including insurance, on 1974 Citroen SM 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 7 more horse power than 2007 Alfa Romeo GT. (163 HP @ 6400 RPM) In normal driving conditions, 1974 Citroen SM should accelerate faster than 2007 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 55 kg more than 2007 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1974 Citroen SM (237 Nm @ 4000 RPM) has 31 more torque (in Nm) than 2007 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 1974 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo GT.
Compare all specifications:
| 2007 Alfa Romeo GT | 1974 Citroen SM | |
| Make | Alfa Romeo | Citroen |
| Model | GT | SM |
| Year Released | 2007 | 1974 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 163 HP | 170 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 206 Nm | 237 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 87.1 mm |
| Engine Stroke Size | 91 mm | 75 mm |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1450 kg |
| Vehicle Length | 4500 mm | 4900 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1330 mm |
| Wheelbase Size | 2600 mm | 2960 mm |
| Fuel Tank Capacity | 63 L | 25 L |
