1954 Alfa Romeo AR 51 vs. 1976 Renault 15
To start off, 1976 Renault 15 is newer by 22 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 1,884 cc (4 cylinders), 1954 Alfa Romeo AR 51 is equipped with a bigger engine. In terms of performance, 1976 Renault 15 (98 HP @ 5750 RPM) has 35 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1976 Renault 15 should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1954 Alfa Romeo AR 51 weights approximately 190 kg more than 1976 Renault 15.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 1976 Renault 15 | |
| Make | Alfa Romeo | Renault |
| Model | AR 51 | 15 |
| Year Released | 1954 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1647 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 98 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Engine Bore Size | 82.6 mm | 79 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Engine Compression Ratio | 7.0:1 | 9.3:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1250 kg | 1060 kg |
| Vehicle Length | 3530 mm | 4270 mm |
| Vehicle Width | 1580 mm | 1640 mm |
| Vehicle Height | 1830 mm | 1320 mm |
| Wheelbase Size | 2210 mm | 2450 mm |
