1988 BMW 520 vs. 1971 Innocenti J4
To start off, 1988 BMW 520 is newer by 17 year(s). Which means there will be less support and parts availability for 1971 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1971 Innocenti J4 would be higher. At 1,989 cc (6 cylinders), 1988 BMW 520 is equipped with a bigger engine. In terms of performance, 1988 BMW 520 (129 HP @ 6000 RPM) has 73 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 1988 BMW 520 should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW 520 weights approximately 690 kg more than 1971 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1988 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 1988 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1971 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, 1988 BMW 520 (174 Nm @ 4000 RPM) has 90 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 1988 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4. 1988 BMW 520 has automatic transmission and 1971 Innocenti J4 has manual transmission. 1971 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 BMW 520 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 BMW 520 | 1971 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | 520 | J4 |
| Year Released | 1988 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 129 HP | 56 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 174 Nm | 84 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 64.6 mm |
| Engine Stroke Size | 66 mm | 83.7 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1570 kg | 880 kg |
| Vehicle Length | 4780 mm | 3720 mm |
| Vehicle Width | 1810 mm | 1540 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2380 mm |
