1972 Citroen SM vs. 1978 Seat 124
To start off, 1978 Seat 124 is newer by 6 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 2,670 cc (6 cylinders), 1972 Citroen SM is equipped with a bigger engine. In terms of performance, 1972 Citroen SM (158 HP @ 5500 RPM) has 64 more horse power than 1978 Seat 124. (94 HP @ 6000 RPM). In normal driving conditions, 1972 Citroen SM should accelerate faster than 1978 Seat 124. With that said, vehicle weight also plays an important factor in acceleration. 1972 Citroen SM weights approximately 482 kg more than 1978 Seat 124. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1972 Citroen SM (235 Nm @ 4000 RPM) has 107 more torque (in Nm) than 1978 Seat 124. (128 Nm @ 4000 RPM). This means 1972 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 1978 Seat 124.
Compare all specifications:
| 1972 Citroen SM | 1978 Seat 124 | |
| Make | Citroen | Seat |
| Model | SM | 124 |
| Year Released | 1972 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1590 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 158 HP | 94 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 235 Nm | 128 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1452 kg | 970 kg |
| Vehicle Length | 4900 mm | 4070 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2430 mm |
