1966 Austin A 90 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1966 Austin A 90. In addition, the cost of maintenance, including insurance, on 1966 Austin A 90 would be higher. At 2,912 cc (6 cylinders), 1966 Austin A 90 is equipped with a bigger engine. In terms of performance, 1966 Austin A 90 (120 HP @ 4750 RPM) has 8 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 1966 Austin A 90 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1966 Austin A 90 weights approximately 435 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, 1966 Austin A 90 (222 Nm @ 2750 RPM) has 42 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1966 Austin A 90 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1966 Austin A 90 | 1987 Ford Sierra | |
| Make | Austin | Ford |
| Model | A 90 | Sierra |
| Year Released | 1966 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 2292 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 112 HP |
| Engine RPM | 4750 RPM | 5300 RPM |
| Torque | 222 Nm | 180 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Bore Size | 83.4 mm | 96 mm |
| Engine Stroke Size | 88.9 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1570 kg | 1135 kg |
| Vehicle Length | 4950 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1680 mm |
| Vehicle Height | 1540 mm | 1400 mm |
| Wheelbase Size | 2750 mm | 2620 mm |
