1952 Alfa Romeo AR 51 vs. 1973 Jaguar XJ
To start off, 1973 Jaguar XJ is newer by 21 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 5,344 cc (12 cylinders), 1973 Jaguar XJ is equipped with a bigger engine. In terms of performance, 1973 Jaguar XJ (251 HP @ 6000 RPM) has 188 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1973 Jaguar XJ should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1973 Jaguar XJ weights approximately 585 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 1973 Jaguar XJ. 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. 1973 Jaguar XJ 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. 1973 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1952 Alfa Romeo AR 51 | 1973 Jaguar XJ | |
| Make | Alfa Romeo | Jaguar |
| Model | AR 51 | XJ |
| Year Released | 1952 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 5344 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 63 HP | 251 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Engine Bore Size | 82.6 mm | 90 mm |
| Engine Stroke Size | 88 mm | 70 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1835 kg |
| Vehicle Length | 3530 mm | 4850 mm |
| Vehicle Width | 1580 mm | 1780 mm |
| Vehicle Height | 1830 mm | 1380 mm |
| Wheelbase Size | 2210 mm | 2770 mm |
| Fuel Tank Capacity | 77 L | 90 L |
