1973 Innocenti J4 vs. 1940 Alfa Romeo 6C
To start off, 1973 Innocenti J4 is newer by 33 year(s). Which means there will be less support and parts availability for 1940 Alfa Romeo 6C. In addition, the cost of maintenance, including insurance, on 1940 Alfa Romeo 6C would be higher. At 2,442 cc (6 cylinders), 1940 Alfa Romeo 6C is equipped with a bigger engine. In terms of performance, 1940 Alfa Romeo 6C (89 HP @ 4600 RPM) has 33 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1940 Alfa Romeo 6C should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1940 Alfa Romeo 6C weights approximately 620 kg more than 1973 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1940 Alfa Romeo 6C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1940 Alfa Romeo 6C. However, in wet, icy, snow, or gravel driving conditions, 1973 Innocenti J4, being front wheel drive (FWD), will offer much better control with better grip. 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:
| 1973 Innocenti J4 | 1940 Alfa Romeo 6C | |
| Make | Innocenti | Alfa Romeo |
| Model | J4 | 6C |
| Year Released | 1973 | 1940 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 2442 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 89 HP |
| Engine RPM | 5500 RPM | 4600 RPM |
| Engine Bore Size | 64.6 mm | 72 mm |
| Engine Stroke Size | 83.7 mm | 100 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 1500 kg |
| Vehicle Length | 3720 mm | 4880 mm |
| Vehicle Width | 1540 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1510 mm |
| Wheelbase Size | 2380 mm | 3010 mm |
