1970 Innocenti J4 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 43 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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 381 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 1129 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 2013 BMW 6 series is all wheel drive (AWD), it will have significant more traction and grip than 1970 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 series will offer significantly more control. 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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 568 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4. 2013 BMW 6 series has automatic transmission and 1970 Innocenti J4 has manual transmission. 1970 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 6 series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1970 Innocenti J4 | 2013 BMW 6 series | |
| Make | Innocenti | BMW |
| Model | J4 | 6 series |
| Year Released | 1970 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 437 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 83 Nm | 651 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 64.6 mm | 89 mm |
| Engine Stroke Size | 83.7 mm | 89 mm |
| Engine Compression Ratio | 21.5:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Vehicle Weight | 880 kg | 2009 kg |
| Vehicle Length | 3720 mm | 5009 mm |
| Vehicle Width | 1540 mm | 2081 mm |
| Vehicle Height | 1380 mm | 1392 mm |
| Wheelbase Size | 2380 mm | 2968 mm |
