1971 Citroen SM vs. 2007 Opel Vivaro
To start off, 2007 Opel Vivaro is newer by 36 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, 1971 Citroen SM (158 HP @ 5500 RPM) has 58 more horse power than 2007 Opel Vivaro. (100 HP @ 3500 RPM). In normal driving conditions, 1971 Citroen SM should accelerate faster than 2007 Opel Vivaro. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vivaro weights approximately 227 kg more than 1971 Citroen SM.
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, 2007 Opel Vivaro (240 Nm @ 2000 RPM) has 5 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2007 Opel Vivaro will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM.
Compare all specifications:
| 1971 Citroen SM | 2007 Opel Vivaro | |
| Make | Citroen | Opel |
| Model | SM | Vivaro |
| Year Released | 1971 | 2007 |
| Body Type | Coupe | Van |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1870 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 100 HP |
| Engine RPM | 5500 RPM | 3500 RPM |
| Torque | 235 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 80 mm |
| Engine Stroke Size | 75 mm | 93 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1677 kg |
| Vehicle Length | 4900 mm | 4790 mm |
| Vehicle Width | 1850 mm | 1970 mm |
| Vehicle Height | 1330 mm | 1910 mm |
| Wheelbase Size | 2950 mm | 3100 mm |
| Fuel Tank Capacity | 89 L | 90 L |
