1973 Citroen SM vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP @ 6200 RPM) has 37 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 160 kg more than 1973 Citroen SM. 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, 2001 Opel Signum (300 Nm @ 4000 RPM) has 63 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
1973 Citroen SM | 2001 Opel Signum | |
Make | Citroen | Opel |
Model | SM | Signum |
Year Released | 1973 | 2001 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 2670 cc | 3173 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 171 HP | 208 HP |
Engine RPM | 5500 RPM | 6200 RPM |
Torque | 237 Nm | 300 Nm |
Torque RPM | 4000 RPM | 4000 RPM |
Engine Bore Size | 87 mm | 87.5 mm |
Engine Stroke Size | 75 mm | 88 mm |
Engine Compression Ratio | 9.0:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Front |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1450 kg | 1610 kg |
Vehicle Length | 4900 mm | 4640 mm |
Vehicle Width | 1850 mm | 1800 mm |
Vehicle Height | 1330 mm | 1470 mm |
Wheelbase Size | 2960 mm | 2640 mm |
Fuel Tank Capacity | 25 L | 52 L |