1973 Citroen SM vs. 2011 Lexus LS
To start off, 2011 Lexus LS is newer by 38 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 5,000 cc (8 cylinders), 2011 Lexus LS is equipped with a bigger engine. In terms of performance, 2011 Lexus LS (438 HP @ 6400 RPM) has 267 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM) In normal driving conditions, 2011 Lexus LS should accelerate faster than 1973 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus LS weights approximately 981 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 2011 Lexus LS is all wheel drive (AWD), it will have significant more traction and grip than 1973 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2011 Lexus LS 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, 2011 Lexus LS (521 Nm @ 4000 RPM) has 284 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2011 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
| 1973 Citroen SM | 2011 Lexus LS | |
| Make | Citroen | Lexus |
| Model | SM | LS |
| Year Released | 1973 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 438 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 237 Nm | 521 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 2431 kg |
| Vehicle Length | 4900 mm | 5179 mm |
| Vehicle Width | 1850 mm | 1875 mm |
| Vehicle Height | 1330 mm | 1481 mm |
| Wheelbase Size | 2960 mm | 3091 mm |
| Fuel Tank Capacity | 25 L | 84 L |
