1963 Austin A 99 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 43 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 2,978 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (227 HP @ 5900 RPM) has 120 more horse power than 1963 Austin A 99. (107 HP @ 4750 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1963 Austin A 99. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 540 kg more than 1963 Austin A 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 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, 2006 BMW X5 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, 2006 BMW X5 (290 Nm @ 3500 RPM) has 66 more torque (in Nm) than 1963 Austin A 99. (224 Nm @ 2500 RPM). This means 2006 BMW X5 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 | 2006 BMW X5 | |
| Make | Austin | BMW |
| Model | A 99 | X5 |
| Year Released | 1963 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2912 cc | 2978 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 107 HP | 227 HP |
| Engine RPM | 4750 RPM | 5900 RPM |
| Torque | 224 Nm | 290 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 83.4 mm | 84.1 mm |
| Engine Stroke Size | 88.9 mm | 89.7 mm |
| Engine Compression Ratio | 8.3:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 162 km/hour | 209 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 2070 kg |
| Vehicle Length | 4780 mm | 4670 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1540 mm | 1770 mm |
| Wheelbase Size | 2800 mm | 2830 mm |
| Fuel Tank Capacity | 34 L | 93 L |
