1972 Citroen SM vs. 2012 Opel Antara
To start off, 2012 Opel Antara is newer by 40 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 25 more horse power than 2012 Opel Antara. (148 HP @ 4000 RPM). In normal driving conditions, 1972 Citroen SM should accelerate faster than 2012 Opel Antara. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Antara weights approximately 405 kg more than 1972 Citroen SM.
Because 2012 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2012 Opel Antara 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, 2012 Opel Antara (320 Nm @ 2000 RPM) has 83 more torque (in Nm) than 1972 Citroen SM. (237 Nm @ 4000 RPM). This means 2012 Opel Antara will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 1972 Citroen SM | 2012 Opel Antara | |
| Make | Citroen | Opel |
| Model | SM | Antara |
| Year Released | 1972 | 2012 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 1990 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 173 HP | 148 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 237 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 83 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1855 kg |
| Vehicle Length | 4900 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1330 mm | 1710 mm |
| Wheelbase Size | 2960 mm | 2710 mm |
| Fuel Tank Capacity | 25 L | 65 L |
