1974 Citroen SM vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 34 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 3,824 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (350 HP @ 6600 RPM) has 180 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 86 kg more than 1974 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2008 Porsche 911 will offer significantly more control. 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, 2008 Porsche 911 (400 Nm @ 4600 RPM) has 163 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
1974 Citroen SM | 2008 Porsche 911 | |
Make | Citroen | Porsche |
Model | SM | 911 |
Year Released | 1974 | 2008 |
Body Type | Coupe | Coupe |
Engine Position | Front | Rear |
Engine Size | 2670 cc | 3824 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | boxer |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 170 HP | 350 HP |
Engine RPM | 5500 RPM | 6600 RPM |
Torque | 237 Nm | 400 Nm |
Torque RPM | 4000 RPM | 4600 RPM |
Engine Bore Size | 87.1 mm | 99 mm |
Engine Stroke Size | 75 mm | 82.8 mm |
Engine Compression Ratio | 9.0:1 | 11.8:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | 4WD |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1450 kg | 1536 kg |
Vehicle Length | 4900 mm | 4430 mm |
Vehicle Width | 1850 mm | 1860 mm |
Vehicle Height | 1330 mm | 1310 mm |
Wheelbase Size | 2960 mm | 2360 mm |
Fuel Tank Capacity | 25 L | 67 L |