1952 Alfa Romeo AR 51 vs. 2007 BMW M3
To start off, 2007 BMW M3 is newer by 55 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 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 275 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2007 BMW M3 should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 405 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.
Because 1952 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M3. In wet, icy, snow, or gravel driving conditions, 1952 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:
| 1952 Alfa Romeo AR 51 | 2007 BMW M3 | |
| Make | Alfa Romeo | BMW |
| Model | AR 51 | M3 |
| Year Released | 1952 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 338 HP |
| Engine RPM | 4400 RPM | 7900 RPM |
| Engine Bore Size | 82.6 mm | 87 mm |
| Engine Stroke Size | 88 mm | 91 mm |
| Engine Compression Ratio | 7.0:1 | 11.5:1 |
| Top Speed | 105 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1655 kg |
| Vehicle Length | 3530 mm | 4500 mm |
| Vehicle Width | 1580 mm | 1790 mm |
| Vehicle Height | 1830 mm | 1380 mm |
| Wheelbase Size | 2210 mm | 2740 mm |
| Fuel Tank Capacity | 77 L | 63 L |
