1952 Alfa Romeo AR 51 vs. 1970 Innocenti J4
To start off, 1970 Innocenti J4 is newer by 18 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 1,884 cc (4 cylinders), 1952 Alfa Romeo AR 51 is equipped with a bigger engine. In terms of performance, 1952 Alfa Romeo AR 51 (63 HP @ 4400 RPM) has 7 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM). In normal driving conditions, 1952 Alfa Romeo AR 51 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1952 Alfa Romeo AR 51 weights approximately 398 kg more than 1970 Innocenti J4. 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 1970 Innocenti J4. 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 | 1970 Innocenti J4 | |
Make | Alfa Romeo | Innocenti |
Model | AR 51 | J4 |
Year Released | 1952 | 1970 |
Engine Position | Front | Front |
Engine Size | 1884 cc | 1098 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 63 HP | 56 HP |
Engine RPM | 4400 RPM | 5600 RPM |
Engine Bore Size | 82.6 mm | 64.6 mm |
Engine Stroke Size | 88 mm | 83.7 mm |
Engine Compression Ratio | 7.0:1 | 9.0:1 |
Drive Type | 4WD | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 1250 kg | 852 kg |
Vehicle Length | 3530 mm | 3720 mm |
Vehicle Width | 1580 mm | 1540 mm |
Vehicle Height | 1830 mm | 1380 mm |
Wheelbase Size | 2210 mm | 2380 mm |