2006 BMW Z4 vs. 1968 Innocenti J4
To start off, 2006 BMW Z4 is newer by 38 year(s). Which means there will be less support and parts availability for 1968 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1968 Innocenti J4 would be higher. At 1,995 cc (4 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (148 HP @ 6200 RPM) has 91 more horse power than 1968 Innocenti J4. (57 HP @ 5500 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1968 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 476 kg more than 1968 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1968 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, 2006 BMW Z4 (200 Nm @ 3600 RPM) has 118 more torque (in Nm) than 1968 Innocenti J4. (82 Nm @ 2000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1968 Innocenti J4.
Compare all specifications:
| 2006 BMW Z4 | 1968 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | Z4 | J4 |
| Year Released | 2006 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1098 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 57 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 200 Nm | 82 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 64.6 mm |
| Engine Stroke Size | 90 mm | 83.7 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1326 kg | 850 kg |
| Vehicle Length | 4100 mm | 3720 mm |
| Vehicle Width | 1790 mm | 1540 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2380 mm |
| Fuel Tank Capacity | 55 L | 40 L |
