1963 Austin A 99 vs. 1981 Nissan Sunny
To start off, 1981 Nissan Sunny is newer by 18 year(s). Which means there will be less support and parts availability for 1963 Austin A 99. In addition, the cost of maintenance, including insurance, on 1963 Austin A 99 would be higher. At 2,912 cc (6 cylinders), 1963 Austin A 99 is equipped with a bigger engine. In terms of performance, 1963 Austin A 99 (107 HP @ 4750 RPM) has 33 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 1963 Austin A 99 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 1963 Austin A 99 weights approximately 715 kg more than 1981 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1963 Austin A 99 (224 Nm @ 2500 RPM) has 101 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 1963 Austin A 99 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 1963 Austin A 99 | 1981 Nissan Sunny | |
| Make | Austin | Nissan |
| Model | A 99 | Sunny |
| Year Released | 1963 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 1487 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 107 HP | 74 HP |
| Engine RPM | 4750 RPM | 5600 RPM |
| Torque | 224 Nm | 123 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 815 kg |
| Vehicle Length | 4780 mm | 4140 mm |
| Vehicle Width | 1750 mm | 1650 mm |
| Vehicle Height | 1540 mm | 1400 mm |
| Wheelbase Size | 2800 mm | 2410 mm |
