1973 Citroen SM vs. 2005 Mercedes-Benz G
To start off, 2005 Mercedes-Benz G is newer by 32 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 4,966 cc (8 cylinders), 2005 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz G (292 HP @ 5500 RPM) has 121 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM) In normal driving conditions, 2005 Mercedes-Benz G should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz G weights approximately 705 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.
Because 2005 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz G 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, 2005 Mercedes-Benz G (456 Nm @ 2800 RPM) has 219 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2005 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 1973 Citroen SM | 2005 Mercedes-Benz G | |
| Make | Citroen | Mercedes-Benz |
| Model | SM | G |
| Year Released | 1973 | 2005 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 171 HP | 292 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 237 Nm | 456 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1450 kg | 2155 kg |
| Vehicle Length | 4900 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1330 mm | 1950 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
| Fuel Tank Capacity | 25 L | 96 L |
