1952 Alfa Romeo AR 51 vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 51 year(s). Which means there will be less support and parts availability for 1952 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1952 Alfa Romeo AR 51 would be higher. At 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 82 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 48 kg more than 1952 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1952 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, 1952 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. 2003 Opel Astra has automatic transmission and 1952 Alfa Romeo AR 51 has manual transmission. 1952 Alfa Romeo AR 51 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1952 Alfa Romeo AR 51 | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | AR 51 | Astra |
| Year Released | 1952 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| 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 | 208 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1298 kg |
| Vehicle Length | 3530 mm | 4120 mm |
| Vehicle Width | 1580 mm | 1720 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2210 mm | 2500 mm |
| Fuel Tank Capacity | 77 L | 52 L |
