1949 Armstrong Siddeley Whitley vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 63 year(s). Which means there will be less support and parts availability for 1949 Armstrong Siddeley Whitley. In addition, the cost of maintenance, including insurance, on 1949 Armstrong Siddeley Whitley would be higher. At 4,400 cc (8 cylinders), 2012 BMW X5 is equipped with a bigger engine. In terms of performance, 2012 BMW X5 (555 HP @ 6000 RPM) has 480 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2012 BMW X5 should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 1005 kg more than 1949 Armstrong Siddeley Whitley. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1949 Armstrong Siddeley Whitley. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 BMW X5 (677 Nm @ 1500 RPM) has 532 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2012 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley. 2012 BMW X5 has automatic transmission and 1949 Armstrong Siddeley Whitley has manual transmission. 1949 Armstrong Siddeley Whitley will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2012 BMW X5 | |
| Make | Armstrong Siddeley | BMW |
| Model | Whitley | X5 |
| Year Released | 1949 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 555 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 145 Nm | 677 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 2435 kg |
| Vehicle Length | 4710 mm | 4851 mm |
| Vehicle Width | 1730 mm | 1994 mm |
| Vehicle Height | 1610 mm | 1763 mm |
| Wheelbase Size | 2930 mm | 2933 mm |
