1966 Innocenti J4 vs. 2002 BMW X5
To start off, 2002 BMW X5 is newer by 36 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 2,979 cc (6 cylinders), 2002 BMW X5 is equipped with a bigger engine. In terms of performance, 2002 BMW X5 (227 HP @ 5900 RPM) has 171 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2002 BMW X5 should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW X5 weights approximately 1220 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 2002 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1966 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2002 BMW X5 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, 2002 BMW X5 (300 Nm @ 3500 RPM) has 218 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 2002 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
| 1966 Innocenti J4 | 2002 BMW X5 | |
| Make | Innocenti | BMW |
| Model | J4 | X5 |
| Year Released | 1966 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 227 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 82 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 9.0:1 | 10.2:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 850 kg | 2070 kg |
| Vehicle Length | 3720 mm | 4670 mm |
| Vehicle Width | 1540 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1720 mm |
| Wheelbase Size | 2380 mm | 2830 mm |
| Fuel Tank Capacity | 40 L | 93 L |
