1977 Alfa Romeo Alfasud vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Alfasud would be higher. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 38 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 252 kg more than 1977 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 77 more torque (in Nm) than 1977 Alfa Romeo Alfasud. (103 Nm @ 3500 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Alfasud.
Compare all specifications:
| 1977 Alfa Romeo Alfasud | 1987 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Alfasud | Sierra |
| Year Released | 1977 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 2294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 75 HP | 113 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 103 Nm | 180 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 96 mm |
| Engine Stroke Size | 64 mm | 79.5 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 838 kg | 1090 kg |
| Vehicle Length | 4030 mm | 4400 mm |
| Vehicle Width | 1620 mm | 1680 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2460 mm | 2620 mm |
| Fuel Tank Capacity | 50 L | 45 L |
