2006 Chevrolet HHR vs. 1973 Citroen SM
To start off, 2006 Chevrolet HHR is newer by 33 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 (180 HP) has 37 more horse power than 2006 Chevrolet HHR. (143 HP) In normal driving conditions, 1973 Citroen SM should accelerate faster than 2006 Chevrolet HHR.
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 (233 Nm) has 30 more torque (in Nm) than 2006 Chevrolet HHR. (203 Nm). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet HHR. 2006 Chevrolet HHR has automatic transmission and 1973 Citroen SM has manual transmission. 1973 Citroen SM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Chevrolet HHR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Chevrolet HHR | 1973 Citroen SM | |
| Make | Chevrolet | Citroen |
| Model | HHR | SM |
| Year Released | 2006 | 1973 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2194 cc | 2670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 180 HP |
| Torque | 203 Nm | 233 Nm |
| Engine Bore Size | 86 mm | 86.9 mm |
| Engine Stroke Size | 94 mm | 74.9 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4480 mm | 4920 mm |
| Vehicle Width | 1760 mm | 1840 mm |
| Vehicle Height | 1610 mm | 1330 mm |
| Wheelbase Size | 2640 mm | 2960 mm |
