1998 Buick Regal vs. 1973 Citroen SM
To start off, 1998 Buick Regal is newer by 25 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 3,791 cc (6 cylinders), 1998 Buick Regal is equipped with a bigger engine. In terms of performance, 1998 Buick Regal (205 HP) has 25 more horse power than 1973 Citroen SM. (180 HP). In normal driving conditions, 1998 Buick Regal 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, 1998 Buick Regal (312 Nm) has 79 more torque (in Nm) than 1973 Citroen SM. (233 Nm). This means 1998 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM. 1998 Buick Regal 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. 1998 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Buick Regal | 1973 Citroen SM | |
| Make | Buick | Citroen |
| Model | Regal | SM |
| Year Released | 1998 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 205 HP | 180 HP |
| Torque | 312 Nm | 233 Nm |
| Engine Bore Size | 96.5 mm | 86.9 mm |
| Engine Stroke Size | 86.4 mm | 74.9 mm |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Length | 4990 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2780 mm | 2960 mm |
