1951 Austin A 40 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 58 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 2,993 cc (6 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (282 HP @ 4400 RPM) has 244 more horse power than 1951 Austin A 40. (38 HP @ 4300 RPM) In normal driving conditions, 2009 BMW X5 should accelerate faster than 1951 Austin A 40. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 1180 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 2009 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, 2009 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, 2009 BMW X5 (580 Nm @ 1750 RPM) has 500 more torque (in Nm) than 1951 Austin A 40. (80 Nm @ 2300 RPM). This means 2009 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 | 2009 BMW X5 | |
| Make | Austin | BMW |
| Model | A 40 | X5 |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1200 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 38 HP | 282 HP |
| Engine RPM | 4300 RPM | 4400 RPM |
| Torque | 80 Nm | 580 Nm |
| Torque RPM | 2300 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 970 kg | 2150 kg |
| Vehicle Length | 3890 mm | 4860 mm |
| Vehicle Width | 1560 mm | 1940 mm |
| Vehicle Height | 1620 mm | 1740 mm |
| Wheelbase Size | 2360 mm | 2940 mm |
| Fuel Tank Capacity | 48 L | 85 L |
