1963 Austin A 99 vs. 1973 Opel Admiral
To start off, 1973 Opel Admiral is newer by 10 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, 1973 Opel Admiral (142 HP @ 5200 RPM) has 35 more horse power than 1963 Austin A 99. (107 HP @ 4750 RPM) In normal driving conditions, 1973 Opel Admiral should accelerate faster than 1963 Austin A 99. With that said, vehicle weight also plays an important factor in acceleration. 1963 Austin A 99 weights approximately 55 kg more than 1973 Opel Admiral.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1973 Opel Admiral (227 Nm @ 3600 RPM) has 3 more torque (in Nm) than 1963 Austin A 99. (224 Nm @ 2500 RPM). This means 1973 Opel Admiral will have an easier job in driving up hills or pulling heavy equipment than 1963 Austin A 99.
Compare all specifications:
| 1963 Austin A 99 | 1973 Opel Admiral | |
| Make | Austin | Opel |
| Model | A 99 | Admiral |
| Year Released | 1963 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 107 HP | 142 HP |
| Engine RPM | 4750 RPM | 5200 RPM |
| Torque | 224 Nm | 227 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 83.4 mm | 92 mm |
| Engine Stroke Size | 88.9 mm | 69.8 mm |
| Engine Compression Ratio | 8.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1475 kg |
| Vehicle Length | 4780 mm | 4910 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1540 mm | 1460 mm |
| Wheelbase Size | 2800 mm | 2850 mm |
| Fuel Tank Capacity | 34 L | 80 L |
