1953 Alfa Romeo AR 51 vs. 2012 BMW X3
To start off, 2012 BMW X3 is newer by 59 year(s). Which means there will be less support and parts availability for 1953 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1953 Alfa Romeo AR 51 would be higher. At 2,993 cc (6 cylinders), 2012 BMW X3 is equipped with a bigger engine. In terms of performance, 2012 BMW X3 (256 HP @ 4000 RPM) has 193 more horse power than 1953 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2012 BMW X3 should accelerate faster than 1953 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X3 weights approximately 625 kg more than 1953 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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.
Compare all specifications:
| 1953 Alfa Romeo AR 51 | 2012 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | AR 51 | X3 |
| Year Released | 1953 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 256 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 82.6 mm | 90 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Top Speed | 105 km/hour | 209 km/hour |
| Drive Type | 4WD | AWD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1875 kg |
| Vehicle Length | 3530 mm | 4648 mm |
| Vehicle Width | 1580 mm | 1881 mm |
| Vehicle Height | 1830 mm | 1675 mm |
| Wheelbase Size | 2210 mm | 2810 mm |
