1954 Alfa Romeo AR 51 vs. 2005 Alpina Roadster
To start off, 2005 Alpina Roadster is newer by 51 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 3,346 cc (6 cylinders), 2005 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2005 Alpina Roadster (301 HP @ 6300 RPM) has 238 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina Roadster weights approximately 376 kg more than 1954 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina Roadster. 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 | 2005 Alpina Roadster | |
| Make | Alfa Romeo | Alpina |
| Model | AR 51 | Roadster |
| Year Released | 1954 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 3346 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 301 HP |
| Engine RPM | 4400 RPM | 6300 RPM |
| Engine Bore Size | 82.6 mm | 87 mm |
| Engine Stroke Size | 88 mm | 93.8 mm |
| Engine Compression Ratio | 7.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1626 kg |
| Vehicle Length | 3530 mm | 4100 mm |
| Vehicle Width | 1580 mm | 1790 mm |
| Vehicle Height | 1830 mm | 1300 mm |
| Wheelbase Size | 2210 mm | 2500 mm |
