1966 AC Cobra vs. 1970 Innocenti J4
To start off, 1970 Innocenti J4 is newer by 4 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 354 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM). In normal driving conditions, 1966 AC Cobra should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1966 AC Cobra weights approximately 295 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 1966 AC Cobra 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 1966 AC Cobra. However, in wet, icy, snow, or gravel driving conditions, 1970 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. Let's talk about torque, 1966 AC Cobra (651 Nm @ 3700 RPM) has 569 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1966 AC Cobra | 1970 Innocenti J4 | |
| Make | AC | Innocenti |
| Model | Cobra | J4 |
| Year Released | 1966 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 1098 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 410 HP | 56 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 651 Nm | 82 Nm |
| Torque RPM | 3700 RPM | 2000 RPM |
| Engine Bore Size | 107.7 mm | 64.6 mm |
| Engine Stroke Size | 96 mm | 83.7 mm |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1147 kg | 852 kg |
| Vehicle Length | 3970 mm | 3720 mm |
| Vehicle Width | 1730 mm | 1540 mm |
| Vehicle Height | 1250 mm | 1380 mm |
| Wheelbase Size | 2290 mm | 2380 mm |
