1987 Ford Sierra vs. 1978 Seat 131
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 131. In addition, the cost of maintenance, including insurance, on 1978 Seat 131 would be higher. At 2,303 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (66 HP) has 7 more horse power than 1978 Seat 131. (59 HP). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1978 Seat 131. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 6 kg more than 1978 Seat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1987 Ford Sierra (142 Nm @ 2000 RPM) has 29 more torque (in Nm) than 1978 Seat 131. (113 Nm @ 2400 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1978 Seat 131.
Compare all specifications:
| 1987 Ford Sierra | 1978 Seat 131 | |
| Make | Ford | Seat |
| Model | Sierra | 131 |
| Year Released | 1987 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 59 HP |
| Torque | 142 Nm | 113 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1170 kg | 1164 kg |
| Vehicle Length | 4430 mm | 4270 mm |
| Vehicle Width | 1700 mm | 1660 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2620 mm | 2500 mm |
