1963 Austin A 99 vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra is newer by 28 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, 1991 Opel Calibra (201 HP @ 5600 RPM) has 94 more horse power than 1963 Austin A 99. (107 HP @ 4750 RPM) In normal driving conditions, 1991 Opel Calibra 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 107 kg more than 1991 Opel Calibra.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1963 Austin A 99. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra 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, 1991 Opel Calibra (280 Nm @ 2400 RPM) has 56 more torque (in Nm) than 1963 Austin A 99. (224 Nm @ 2500 RPM). This means 1991 Opel Calibra 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 | 1991 Opel Calibra | |
| Make | Austin | Opel |
| Model | A 99 | Calibra |
| Year Released | 1963 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 107 HP | 201 HP |
| Engine RPM | 4750 RPM | 5600 RPM |
| Torque | 224 Nm | 280 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Engine Compression Ratio | 8.3:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 162 km/hour | 241 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1423 kg |
| Vehicle Length | 4780 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1540 mm | 1610 mm |
| Wheelbase Size | 2800 mm | 2450 mm |
| Fuel Tank Capacity | 34 L | 40 L |
