1971 Citroen SM vs. 2006 Land Rover Discovery
To start off, 2006 Land Rover Discovery is newer by 35 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 4,394 cc (8 cylinders), 2006 Land Rover Discovery is equipped with a bigger engine. In terms of performance, 2006 Land Rover Discovery (295 HP @ 5500 RPM) has 137 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM) In normal driving conditions, 2006 Land Rover Discovery should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2006 Land Rover Discovery weights approximately 990 kg more than 1971 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Land Rover Discovery 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, 2006 Land Rover Discovery 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, 2006 Land Rover Discovery (425 Nm @ 4000 RPM) has 190 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2006 Land Rover Discovery will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM. 2006 Land Rover Discovery has automatic transmission and 1971 Citroen SM has manual transmission. 1971 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Land Rover Discovery will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 Citroen SM | 2006 Land Rover Discovery | |
| Make | Citroen | Land Rover |
| Model | SM | Discovery |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 4394 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 295 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 235 Nm | 425 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 88.1 mm |
| Engine Stroke Size | 75 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 2440 kg |
| Vehicle Length | 4900 mm | 4390 mm |
| Vehicle Height | 1330 mm | 1950 mm |
| Wheelbase Size | 2950 mm | 2550 mm |
| Fuel Tank Capacity | 89 L | 86 L |
