1972 Citroen SM vs. 1991 Lancia Delta
To start off, 1991 Lancia Delta is newer by 19 year(s). Which means there will be less support and parts availability for 1972 Citroen SM. In addition, the cost of maintenance, including insurance, on 1972 Citroen SM would be higher. At 2,669 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1991 Lancia Delta (208 HP @ 5750 RPM) has 35 more horse power than 1972 Citroen SM. (173 HP @ 5500 RPM) In normal driving conditions, 1991 Lancia Delta should accelerate faster than 1972 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 150 kg more than 1991 Lancia Delta.
Because 1991 Lancia Delta is four wheel drive (4WD), it will have significant more traction and grip than 1972 Citroen SM. In wet, icy, snow, or gravel driving conditions, 1991 Lancia Delta will offer significantly more control. 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, 1991 Lancia Delta (310 Nm @ 3500 RPM) has 73 more torque (in Nm) than 1972 Citroen SM. (237 Nm @ 4000 RPM). This means 1991 Lancia Delta will have an easier job in driving up hills or pulling heavy equipment than 1972 Citroen SM.
Compare all specifications:
| 1972 Citroen SM | 1991 Lancia Delta | |
| Make | Citroen | Lancia |
| Model | SM | Delta |
| Year Released | 1972 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 173 HP | 208 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 237 Nm | 310 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1300 kg |
| Vehicle Length | 4900 mm | 3910 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1380 mm |
| Wheelbase Size | 2960 mm | 2490 mm |
| Fuel Tank Capacity | 25 L | 57 L |
