1972 BMW 520 vs. 1964 Innocenti J4
To start off, 1972 BMW 520 is newer by 8 year(s). Which means there will be less support and parts availability for 1964 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1964 Innocenti J4 would be higher. At 1,991 cc (6 cylinders), 1972 BMW 520 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 93 more horse power than 1964 Innocenti J4. (57 HP @ 5500 RPM). In normal driving conditions, 1972 BMW 520 should accelerate faster than 1964 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1972 BMW 520 weights approximately 595 kg more than 1964 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 BMW 520 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 1972 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1964 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, 1972 BMW 520 (190 Nm @ 4200 RPM) has 108 more torque (in Nm) than 1964 Innocenti J4. (82 Nm @ 2000 RPM). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1964 Innocenti J4.
Compare all specifications:
| 1972 BMW 520 | 1964 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | 520 | J4 |
| Year Released | 1972 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 150 HP | 57 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 190 Nm | 82 Nm |
| Torque RPM | 4200 RPM | 2000 RPM |
| Engine Bore Size | 80 mm | 64.6 mm |
| Engine Stroke Size | 66 mm | 83.7 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1445 kg | 850 kg |
| Vehicle Length | 4630 mm | 3720 mm |
| Vehicle Width | 1700 mm | 1540 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2380 mm |
