1954 Alfa Romeo AR 51 vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 49 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 1,884 cc (4 cylinders), 1954 Alfa Romeo AR 51 is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (123 HP @ 5600 RPM) has 60 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2003 Opel Astra 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 135 kg more than 2003 Opel Astra.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. 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 | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | AR 51 | Astra |
| Year Released | 1954 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 123 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Engine Bore Size | 82.6 mm | 80.5 mm |
| Engine Stroke Size | 88 mm | 88.2 mm |
| Engine Compression Ratio | 7.0:1 | 10.5:1 |
| Top Speed | 105 km/hour | 198 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1115 kg |
| Vehicle Length | 3530 mm | 4260 mm |
| Vehicle Width | 1580 mm | 1760 mm |
| Vehicle Height | 1830 mm | 1470 mm |
| Wheelbase Size | 2210 mm | 2640 mm |
