1973 Citroen SM vs. 2011 Chevrolet Rezzo
To start off, 2011 Chevrolet Rezzo 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 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (171 HP @ 5500 RPM) has 52 more horse power than 2011 Chevrolet Rezzo. (119 HP @ 5600 RPM). In normal driving conditions, 1973 Citroen SM should accelerate faster than 2011 Chevrolet Rezzo. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 69 kg more than 2011 Chevrolet Rezzo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1973 Citroen SM (237 Nm @ 4000 RPM) has 61 more torque (in Nm) than 2011 Chevrolet Rezzo. (176 Nm @ 4000 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet Rezzo.
Compare all specifications:
| 1973 Citroen SM | 2011 Chevrolet Rezzo | |
| Make | Citroen | Chevrolet |
| Model | SM | Rezzo |
| Year Released | 1973 | 2011 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 171 HP | 119 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 237 Nm | 176 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 86.1 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1381 kg |
| Vehicle Length | 4900 mm | 4360 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1330 mm | 1590 mm |
| Wheelbase Size | 2960 mm | 2610 mm |
| Fuel Tank Capacity | 25 L | 60 L |
