1989 Cadillac DeVille vs. 1971 Citroen SM
To start off, 1989 Cadillac DeVille is newer by 18 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 4,467 cc (8 cylinders), 1989 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1971 Citroen SM (158 HP @ 5500 RPM) has 5 more horse power than 1989 Cadillac DeVille. (153 HP @ 4000 RPM) In normal driving conditions, 1971 Citroen SM should accelerate faster than 1989 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1989 Cadillac DeVille weights approximately 90 kg more than 1971 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, 1989 Cadillac DeVille (326 Nm @ 2600 RPM) has 91 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 1989 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM. 1989 Cadillac DeVille 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. 1989 Cadillac DeVille will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Cadillac DeVille | 1971 Citroen SM | |
| Make | Cadillac | Citroen |
| Model | DeVille | SM |
| Year Released | 1989 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 4467 cc | 2670 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 153 HP | 158 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 326 Nm | 235 Nm |
| Torque RPM | 2600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 87 mm |
| Engine Stroke Size | 84 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1540 kg | 1450 kg |
| Vehicle Length | 5160 mm | 4900 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2820 mm | 2950 mm |
