1979 Alfa Romeo Alfasud vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1979 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1979 Alfa Romeo Alfasud would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 1991 Ford Sierra (75 HP @ 4500 RPM) has 13 more horse power than 1979 Alfa Romeo Alfasud. (62 HP @ 6000 RPM) In normal driving conditions, 1991 Ford Sierra should accelerate faster than 1979 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 285 kg more than 1979 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, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 54 more torque (in Nm) than 1979 Alfa Romeo Alfasud. (98 Nm @ 3500 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 Alfa Romeo Alfasud.
Compare all specifications:
| 1979 Alfa Romeo Alfasud | 1991 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Alfasud | Sierra |
| Year Released | 1979 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1186 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 75 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 98 Nm | 152 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 860 kg | 1145 kg |
| Vehicle Length | 3900 mm | 4430 mm |
| Vehicle Width | 1600 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2460 mm | 2620 mm |
| Fuel Tank Capacity | 50 L | 60 L |
