1971 Citroen SM vs. 2009 Mazda CX-7
To start off, 2009 Mazda CX-7 is newer by 38 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, 2009 Mazda CX-7 (235 HP @ 5000 RPM) has 77 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM) In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 1971 Citroen SM.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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, 2009 Mazda CX-7 (351 Nm @ 2500 RPM) has 116 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM.
Compare all specifications:
| 1971 Citroen SM | 2009 Mazda CX-7 | |
| Make | Citroen | Mazda |
| Model | SM | CX-7 |
| Year Released | 1971 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 2261 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 235 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 235 Nm | 351 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4900 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1330 mm | 1650 mm |
| Wheelbase Size | 2950 mm | 2760 mm |
| Fuel Tank Capacity | 89 L | 69 L |
