1979 BMW 728 vs. 1965 Innocenti J4
To start off, 1979 BMW 728 is newer by 14 year(s). Which means there will be less support and parts availability for 1965 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1965 Innocenti J4 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 125 more horse power than 1965 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 1979 BMW 728 should accelerate faster than 1965 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 728 weights approximately 620 kg more than 1965 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 BMW 728 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 1979 BMW 728. However, in wet, icy, snow, or gravel driving conditions, 1965 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, 1979 BMW 728 (240 Nm @ 4200 RPM) has 158 more torque (in Nm) than 1965 Innocenti J4. (82 Nm @ 2000 RPM). This means 1979 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1965 Innocenti J4.
Compare all specifications:
| 1979 BMW 728 | 1965 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | 728 | J4 |
| Year Released | 1979 | 1965 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 56 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 240 Nm | 82 Nm |
| Torque RPM | 4200 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 64.6 mm |
| Engine Stroke Size | 80 mm | 83.7 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 850 kg |
| Vehicle Length | 4870 mm | 3720 mm |
| Vehicle Width | 1810 mm | 1540 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2800 mm | 2380 mm |
