1964 Austin A 90 vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 22 year(s). Which means there will be less support and parts availability for 1964 Austin A 90. In addition, the cost of maintenance, including insurance, on 1964 Austin A 90 would be higher. At 2,912 cc (6 cylinders), 1964 Austin A 90 is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (160 HP @ 5700 RPM) has 40 more horse power than 1964 Austin A 90. (120 HP @ 4750 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1964 Austin A 90. With that said, vehicle weight also plays an important factor in acceleration. 1964 Austin A 90 weights approximately 306 kg more than 1986 Ford Sierra.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1964 Austin A 90. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra will offer significantly more control. 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, 1964 Austin A 90 (221 Nm @ 2750 RPM) has 5 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 1964 Austin A 90 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 1964 Austin A 90 | 1986 Ford Sierra | |
| Make | Austin | Ford |
| Model | A 90 | Sierra |
| Year Released | 1964 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 120 HP | 160 HP |
| Engine RPM | 4750 RPM | 5700 RPM |
| Torque | 221 Nm | 216 Nm |
| Torque RPM | 2750 RPM | 4300 RPM |
| Engine Bore Size | 83.4 mm | 93 mm |
| Engine Stroke Size | 88.9 mm | 68.5 mm |
| Engine Compression Ratio | 8.3:1 | 9.2:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1572 kg | 1266 kg |
| Vehicle Length | 4780 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Wheelbase Size | 2750 mm | 2610 mm |
| Fuel Tank Capacity | 34 L | 116 L |
