1970 Innocenti J4 vs. 1984 Porsche 911
To start off, 1984 Porsche 911 is newer by 14 year(s). Which means there will be less support and parts availability for 1970 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1970 Innocenti J4 would be higher. At 3,164 cc (6 cylinders), 1984 Porsche 911 is equipped with a bigger engine. In terms of performance, 1984 Porsche 911 (229 HP @ 5900 RPM) has 173 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 1984 Porsche 911 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1984 Porsche 911 weights approximately 378 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 1984 Porsche 911 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 1984 Porsche 911. 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, 1984 Porsche 911 (286 Nm @ 4800 RPM) has 204 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 1984 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 1970 Innocenti J4 | 1984 Porsche 911 | |
| Make | Innocenti | Porsche |
| Model | J4 | 911 |
| Year Released | 1970 | 1984 |
| Engine Position | Front | Rear |
| Engine Size | 1098 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 229 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 82 Nm | 286 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 64.6 mm | 95 mm |
| Engine Stroke Size | 83.7 mm | 74.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 852 kg | 1230 kg |
| Vehicle Length | 3720 mm | 4300 mm |
| Vehicle Width | 1540 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2380 mm | 2280 mm |
