2007 Chevrolet Express vs. 1972 Citroen SM
To start off, 2007 Chevrolet Express is newer by 35 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 5,326 cc (8 cylinders), 2007 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Express (295 HP @ 5200 RPM) has 137 more horse power than 1972 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 2007 Chevrolet Express should accelerate faster than 1972 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Express weights approximately 1085 kg more than 1972 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Chevrolet Express 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, 2007 Chevrolet Express 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, 2007 Chevrolet Express (454 Nm @ 4000 RPM) has 219 more torque (in Nm) than 1972 Citroen SM. (235 Nm @ 4000 RPM). This means 2007 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM. 2007 Chevrolet Express has automatic transmission and 1972 Citroen SM has manual transmission. 1972 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Chevrolet Express will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Chevrolet Express | 1972 Citroen SM | |
| Make | Chevrolet | Citroen |
| Model | Express | SM |
| Year Released | 2007 | 1972 |
| Body Type | Van | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 2670 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 158 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 454 Nm | 235 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 8 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2537 kg | 1452 kg |
| Vehicle Length | 5700 mm | 4900 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 2080 mm | 1330 mm |
| Wheelbase Size | 3440 mm | 2950 mm |
| Fuel Tank Capacity | 117 L | 89 L |
