1951 Austin A vs. 1999 BMW X5
To start off, 1999 BMW X5 is newer by 48 year(s). Which means there will be less support and parts availability for 1951 Austin A. In addition, the cost of maintenance, including insurance, on 1951 Austin A would be higher. At 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (282 HP @ 5400 RPM) has 253 more horse power than 1951 Austin A. (29 HP @ 4800 RPM) In normal driving conditions, 1999 BMW X5 should accelerate faster than 1951 Austin A. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 1499 kg more than 1951 Austin A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Austin A. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 BMW X5 (439 Nm @ 3600 RPM) has 385 more torque (in Nm) than 1951 Austin A. (54 Nm @ 2200 RPM). This means 1999 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin A. 1999 BMW X5 has automatic transmission and 1951 Austin A has manual transmission. 1951 Austin A will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Austin A | 1999 BMW X5 | |
| Make | Austin | BMW |
| Model | A | X5 |
| Year Released | 1951 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 803 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 29 HP | 282 HP |
| Engine RPM | 4800 RPM | 5400 RPM |
| Torque | 54 Nm | 439 Nm |
| Torque RPM | 2200 RPM | 3600 RPM |
| Engine Compression Ratio | 7.2:1 | 10.0:1 |
| Top Speed | 95 km/hour | 207 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 685 kg | 2184 kg |
| Vehicle Length | 3470 mm | 4670 mm |
| Vehicle Width | 1410 mm | 1880 mm |
| Vehicle Height | 1490 mm | 1710 mm |
| Wheelbase Size | 2030 mm | 2730 mm |
| Fuel Tank Capacity | 48 L | 93 L |
