1951 Austin A 40 vs. 2003 BMW X5
To start off, 2003 BMW X5 is newer by 52 year(s). Which means there will be less support and parts availability for 1951 Austin A 40. In addition, the cost of maintenance, including insurance, on 1951 Austin A 40 would be higher. At 2,983 cc (6 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (215 HP @ 4000 RPM) has 177 more horse power than 1951 Austin A 40. (38 HP @ 4300 RPM) In normal driving conditions, 2003 BMW X5 should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 1210 kg more than 1951 Austin A 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Austin A 40. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 420 more torque (in Nm) than 1951 Austin A 40. (80 Nm @ 2300 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin A 40.
Compare all specifications:
| 1951 Austin A 40 | 2003 BMW X5 | |
| Make | Austin | BMW |
| Model | A 40 | X5 |
| Year Released | 1951 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 2983 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 38 HP | 215 HP |
| Engine RPM | 4300 RPM | 4000 RPM |
| Torque | 80 Nm | 500 Nm |
| Torque RPM | 2300 RPM | 2000 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 970 kg | 2180 kg |
| Vehicle Length | 3890 mm | 4670 mm |
| Vehicle Width | 1560 mm | 1880 mm |
| Vehicle Height | 1620 mm | 1720 mm |
| Wheelbase Size | 2360 mm | 2840 mm |
| Fuel Tank Capacity | 48 L | 93 L |
