1954 Alfa Romeo AR 51 vs. 1987 Porsche 911
To start off, 1987 Porsche 911 is newer by 33 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 3,164 cc (6 cylinders), 1987 Porsche 911 is equipped with a bigger engine. In terms of performance, 1987 Porsche 911 (228 HP @ 5900 RPM) has 165 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1987 Porsche 911 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 40 kg more than 1987 Porsche 911.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Porsche 911. 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 | 1987 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | AR 51 | 911 |
| Year Released | 1954 | 1987 |
| Engine Position | Front | Rear |
| Engine Size | 1884 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 63 HP | 228 HP |
| Engine RPM | 4400 RPM | 5900 RPM |
| Engine Bore Size | 82.6 mm | 95 mm |
| Engine Stroke Size | 88 mm | 74.4 mm |
| 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 | 1210 kg |
| Vehicle Length | 3530 mm | 4300 mm |
| Vehicle Width | 1580 mm | 1660 mm |
| Vehicle Height | 1830 mm | 1330 mm |
| Wheelbase Size | 2210 mm | 2270 mm |
