1977 BMW 728 vs. 1970 Innocenti J4
To start off, 1977 BMW 728 is newer by 7 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 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 114 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 656 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 1977 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 1977 BMW 728. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 152 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
1977 BMW 728 | 1970 Innocenti J4 | |
Make | BMW | Innocenti |
Model | 728 | J4 |
Year Released | 1977 | 1970 |
Engine Position | Front | Front |
Engine Size | 2788 cc | 1097 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 170 HP | 56 HP |
Engine RPM | 6000 RPM | 5500 RPM |
Torque | 235 Nm | 83 Nm |
Torque RPM | 3700 RPM | 2500 RPM |
Engine Bore Size | 86 mm | 64.6 mm |
Engine Stroke Size | 80 mm | 83.7 mm |
Engine Compression Ratio | 9.0:1 | 21.5:1 |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Vehicle Weight | 1536 kg | 880 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 |