1952 Alfa Romeo AR 51 vs. 2004 BMW 325
To start off, 2004 BMW 325 is newer by 52 year(s). Which means there will be less support and parts availability for 1952 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1952 Alfa Romeo AR 51 would be higher. At 2,490 cc (6 cylinders), 2004 BMW 325 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (184 HP @ 7250 RPM) has 121 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2004 BMW 325 should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 345 kg more than 1952 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1952 Alfa Romeo AR 51 | 2004 BMW 325 | |
| Make | Alfa Romeo | BMW |
| Model | AR 51 | 325 |
| Year Released | 1952 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 184 HP |
| Engine RPM | 4400 RPM | 7250 RPM |
| Engine Bore Size | 82.6 mm | 84 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1595 kg |
| Vehicle Length | 3530 mm | 4480 mm |
| Vehicle Width | 1580 mm | 1750 mm |
| Vehicle Height | 1830 mm | 1420 mm |
| Wheelbase Size | 2210 mm | 2730 mm |
| Fuel Tank Capacity | 77 L | 63 L |
