1951 Riley RM A vs. 2012 BMW X5
To start off, 2012 BMW X5 is newer by 61 year(s). Which means there will be less support and parts availability for 1951 Riley RM A. In addition, the cost of maintenance, including insurance, on 1951 Riley RM A would be higher. At 3,000 cc (6 cylinders), 2012 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X5 weights approximately 1015 kg more than 1951 Riley RM A.
Because 2012 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1951 Riley RM A. 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. 2012 BMW X5 has automatic transmission and 1951 Riley RM A has manual transmission. 1951 Riley RM A 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:
| 1951 Riley RM A | 2012 BMW X5 | |
| Make | Riley | BMW |
| Model | RM A | X5 |
| Year Released | 1951 | 2012 |
| Engine Size | 1495 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 0 HP | 300 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Vehicle Weight | 1235 kg | 2250 kg |
| Vehicle Length | 4560 mm | 4854 mm |
| Vehicle Width | 1620 mm | 1933 mm |
| Vehicle Height | 1550 mm | 1775 mm |
| Wheelbase Size | 2870 mm | 2933 mm |
