1987 Ford Sierra vs. 1978 Seat 124
To start off, 1987 Ford Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1978 Seat 124. In addition, the cost of maintenance, including insurance, on 1978 Seat 124 would be higher. At 2,303 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1978 Seat 124 (94 HP @ 6000 RPM) has 28 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 1978 Seat 124 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 200 kg more than 1978 Seat 124.
Let's talk about torque, 1987 Ford Sierra (142 Nm @ 2000 RPM) has 14 more torque (in Nm) than 1978 Seat 124. (128 Nm @ 4000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Seat 124.
Compare all specifications:
| 1987 Ford Sierra | 1978 Seat 124 | |
| Make | Ford | Seat |
| Model | Sierra | 124 |
| Year Released | 1987 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 1590 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 94 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 142 Nm | 128 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1170 kg | 970 kg |
| Vehicle Length | 4430 mm | 4070 mm |
| Vehicle Width | 1700 mm | 1620 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2430 mm |
