1954 Alfa Romeo AR 51 vs. 1997 Alfa Romeo Spider
To start off, 1997 Alfa Romeo Spider is newer by 43 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 1,970 cc (4 cylinders), 1997 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo Spider (139 HP @ 6200 RPM) has 76 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1997 Alfa Romeo Spider should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo Spider weights approximately 135 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 1997 Alfa Romeo Spider. 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 | 1997 Alfa Romeo Spider | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | AR 51 | Spider |
| Year Released | 1954 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 139 HP |
| Engine RPM | 4400 RPM | 6200 RPM |
| Engine Bore Size | 82.6 mm | 83 mm |
| Engine Stroke Size | 88 mm | 91 mm |
| Engine Compression Ratio | 7.0:1 | 10.0:1 |
| Top Speed | 105 km/hour | 196 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1385 kg |
| Vehicle Length | 3530 mm | 4290 mm |
| Vehicle Width | 1580 mm | 1790 mm |
| Vehicle Height | 1830 mm | 1320 mm |
| Wheelbase Size | 2210 mm | 2600 mm |
