1945 Armstrong Siddeley 16 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 63 year(s). Which means there will be less support and parts availability for 1945 Armstrong Siddeley 16. In addition, the cost of maintenance, including insurance, on 1945 Armstrong Siddeley 16 would be higher. At 4,797 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (355 HP @ 6200 RPM) has 285 more horse power than 1945 Armstrong Siddeley 16. (70 HP @ 4200 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 1945 Armstrong Siddeley 16. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 675 kg more than 1945 Armstrong Siddeley 16. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1945 Armstrong Siddeley 16. In wet, icy, snow, or gravel driving conditions, 2008 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. 2008 BMW X5 has automatic transmission and 1945 Armstrong Siddeley 16 has manual transmission. 1945 Armstrong Siddeley 16 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1945 Armstrong Siddeley 16 | 2008 BMW X5 | |
| Make | Armstrong Siddeley | BMW |
| Model | 16 | X5 |
| Year Released | 1945 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 70 HP | 355 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Engine Bore Size | 65 mm | 93 mm |
| Engine Stroke Size | 100 mm | 88.3 mm |
| Engine Compression Ratio | 7.0:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1525 kg | 2200 kg |
| Vehicle Length | 4770 mm | 4670 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Wheelbase Size | 2930 mm | 2830 mm |
