1954 Alfa Romeo AR 51 vs. 1957 Citroen 15
To start off, 1957 Citroen 15 is newer by 3 year(s). Which means there will be less support and parts availability for 1954 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1954 Alfa Romeo AR 51 would be higher. At 2,866 cc (6 cylinders), 1957 Citroen 15 is equipped with a bigger engine. In terms of performance, 1957 Citroen 15 (76 HP @ 3800 RPM) has 13 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1957 Citroen 15 should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1957 Citroen 15 weights approximately 75 kg more than 1954 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 1957 Citroen 15. In wet, icy, snow, or gravel driving conditions, 1954 Alfa Romeo AR 51 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.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 1957 Citroen 15 | |
| Make | Alfa Romeo | Citroen |
| Model | AR 51 | 15 |
| Year Released | 1954 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2866 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 63 HP | 76 HP |
| Engine RPM | 4400 RPM | 3800 RPM |
| Engine Bore Size | 82.6 mm | 78 mm |
| Engine Stroke Size | 88 mm | 100 mm |
| Engine Compression Ratio | 7.0:1 | 6.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1325 kg |
| Vehicle Length | 3530 mm | 4770 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 1830 mm | 1570 mm |
| Wheelbase Size | 2210 mm | 3100 mm |
