1953 Alfa Romeo AR 51 vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 60 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 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (395 HP @ 7400 RPM) has 332 more horse power than 1953 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 1953 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche 911 weights approximately 215 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.
Because 1953 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2013 Porsche 911. In wet, icy, snow, or gravel driving conditions, 1953 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. 2013 Porsche 911 has automatic transmission and 1953 Alfa Romeo AR 51 has manual transmission. 1953 Alfa Romeo AR 51 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1953 Alfa Romeo AR 51 | 2013 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | AR 51 | 911 |
| Year Released | 1953 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 395 HP |
| Engine RPM | 4400 RPM | 7400 RPM |
| Engine Bore Size | 82.6 mm | 102 mm |
| Engine Stroke Size | 88 mm | 77 mm |
| Engine Compression Ratio | 7.0:1 | 12.5 : 1 |
| Top Speed | 105 km/hour | 301 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1465 kg |
| Vehicle Length | 3530 mm | 4491 mm |
| Vehicle Width | 1580 mm | 1978 mm |
| Vehicle Height | 1830 mm | 1292 mm |
| Wheelbase Size | 2210 mm | 2450 mm |
