1985 Alfa Romeo Alfa 6 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo Alfa 6 would be higher. At 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo Alfa 6 (133 HP @ 5600 RPM) has 20 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1985 Alfa Romeo Alfa 6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo Alfa 6 weights approximately 380 kg more than 1987 Ford Sierra. 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 1 more torque (in Nm) than 1985 Alfa Romeo Alfa 6. (179 Nm @ 4500 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo Alfa 6.
Compare all specifications:
| 1985 Alfa Romeo Alfa 6 | 1987 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Alfa 6 | Sierra |
| Year Released | 1985 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 133 HP | 113 HP |
| Engine RPM | 5600 RPM | 5300 RPM |
| Torque | 179 Nm | 180 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 96 mm |
| Engine Stroke Size | 66.2 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 1090 kg |
| Vehicle Length | 4770 mm | 4400 mm |
| Vehicle Width | 1690 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
