1953 Alfa Romeo AR 51 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 38 year(s). Which means there will be less support and parts availability for 1953 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1953 Alfa Romeo AR 51 would be higher. At 1,884 cc (4 cylinders), 1953 Alfa Romeo AR 51 is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (82 HP @ 5800 RPM) has 19 more horse power than 1953 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1953 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1953 Alfa Romeo AR 51 weights approximately 310 kg more than 1991 Opel Astra.
Because 1953 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1953 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:
| 1953 Alfa Romeo AR 51 | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | AR 51 | Astra |
| Year Released | 1953 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1388 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 82 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Engine Bore Size | 82.6 mm | 77.6 mm |
| Engine Stroke Size | 88 mm | 73.4 mm |
| Engine Compression Ratio | 7.0:1 | 9.4:1 |
| Top Speed | 105 km/hour | 171 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 | 940 kg |
| Vehicle Length | 3530 mm | 4060 mm |
| Vehicle Width | 1580 mm | 1690 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2210 mm | 2610 mm |
