1952 Alfa Romeo AR 51 vs. 1955 Morris Isis
To start off, 1955 Morris Isis is newer by 3 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 2,639 cc (6 cylinders), 1955 Morris Isis is equipped with a bigger engine. In terms of performance, 1955 Morris Isis (86 HP @ 4250 RPM) has 23 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1955 Morris Isis should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1955 Morris Isis weights approximately 147 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 1955 Morris Isis. 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.
Compare all specifications:
| 1952 Alfa Romeo AR 51 | 1955 Morris Isis | |
| Make | Alfa Romeo | Morris |
| Model | AR 51 | Isis |
| Year Released | 1952 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2639 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 63 HP | 86 HP |
| Engine RPM | 4400 RPM | 4250 RPM |
| Engine Bore Size | 82.6 mm | 79.4 mm |
| Engine Stroke Size | 88 mm | 88.9 mm |
| Engine Compression Ratio | 7.0:1 | 7.3:1 |
| Top Speed | 105 km/hour | 145 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1397 kg |
| Vehicle Length | 3530 mm | 4530 mm |
| Vehicle Width | 1580 mm | 1660 mm |
| Vehicle Height | 1830 mm | 1630 mm |
| Wheelbase Size | 2210 mm | 2370 mm |
