1973 Citroen SM vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville 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 4,572 cc (8 cylinders), 2005 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Pontiac Bonneville (275 HP) has 95 more horse power than 1973 Citroen SM. (180 HP) In normal driving conditions, 2005 Pontiac Bonneville should accelerate faster than 1973 Citroen SM.
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, 2005 Pontiac Bonneville (407 Nm) has 174 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 2005 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM. 2005 Pontiac Bonneville 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. 2005 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Citroen SM | 2005 Pontiac Bonneville | |
| Make | Citroen | Pontiac |
| Model | SM | Bonneville |
| Year Released | 1973 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 4572 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 180 HP | 275 HP |
| Torque | 233 Nm | 407 Nm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4920 mm | 5150 mm |
| Vehicle Width | 1840 mm | 1890 mm |
| Vehicle Height | 1330 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2860 mm |
