1999 BMW Z9 vs. 1966 Innocenti J4
To start off, 1999 BMW Z9 is newer by 33 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 186 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 780 kg more than 1966 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 BMW Z9 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 1999 BMW Z9. However, in wet, icy, snow, or gravel driving conditions, 1966 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 478 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
| 1999 BMW Z9 | 1966 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | Z9 | J4 |
| Year Released | 1999 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1098 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 242 HP | 56 HP |
| Engine RPM | 7400 RPM | 5600 RPM |
| Torque | 560 Nm | 82 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1630 kg | 850 kg |
| Vehicle Length | 5010 mm | 3720 mm |
| Vehicle Width | 1980 mm | 1540 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 3060 mm | 2380 mm |
