1954 Alfa Romeo AR 51 vs. 2000 Opel Speedster
To start off, 2000 Opel Speedster is newer by 46 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 2,198 cc (4 cylinders), 2000 Opel Speedster is equipped with a bigger engine. In terms of performance, 2000 Opel Speedster (145 HP @ 5800 RPM) has 82 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2000 Opel Speedster 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 305 kg more than 2000 Opel Speedster.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2000 Opel Speedster. 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 | 2000 Opel Speedster | |
| Make | Alfa Romeo | Opel |
| Model | AR 51 | Speedster |
| Year Released | 1954 | 2000 |
| Engine Position | Front | Middle |
| Engine Size | 1884 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 145 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Engine Bore Size | 82.6 mm | 86 mm |
| Engine Stroke Size | 88 mm | 94.6 mm |
| Engine Compression Ratio | 7.0:1 | 10.0:1 |
| Top Speed | 105 km/hour | 217 km/hour |
| 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 | 945 kg |
| Vehicle Length | 3530 mm | 3800 mm |
| Vehicle Width | 1580 mm | 1710 mm |
| Vehicle Height | 1830 mm | 1120 mm |
| Wheelbase Size | 2210 mm | 2340 mm |
