1970 Innocenti J4 vs. 2007 Jaguar XJ
To start off, 2007 Jaguar XJ is newer by 37 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 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ (300 HP @ 6000 RPM) has 244 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 2007 Jaguar XJ should accelerate faster than 1970 Innocenti J4.
Because 2007 Jaguar XJ 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 2007 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 1970 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, 2007 Jaguar XJ (420 Nm @ 4100 RPM) has 338 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 2007 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4. 2007 Jaguar XJ 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. 2007 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1970 Innocenti J4 | 2007 Jaguar XJ | |
| Make | Innocenti | Jaguar |
| Model | J4 | XJ |
| Year Released | 1970 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 300 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 82 Nm | 420 Nm |
| Torque RPM | 2000 RPM | 4100 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 90.3 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 3720 mm | 5100 mm |
| Vehicle Width | 1540 mm | 1950 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2380 mm | 3040 mm |
