1965 Innocenti J4 vs. 1988 Jaguar XJS
To start off, 1988 Jaguar XJS is newer by 23 year(s). Which means there will be less support and parts availability for 1965 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1965 Innocenti J4 would be higher. At 3,590 cc (6 cylinders), 1988 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1988 Jaguar XJS (225 HP @ 5300 RPM) has 169 more horse power than 1965 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1988 Jaguar XJS should accelerate faster than 1965 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1988 Jaguar XJS weights approximately 780 kg more than 1965 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1988 Jaguar XJS 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 Jaguar XJS. However, in wet, icy, snow, or gravel driving conditions, 1965 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 Jaguar XJS (325 Nm @ 4000 RPM) has 243 more torque (in Nm) than 1965 Innocenti J4. (82 Nm @ 2000 RPM). This means 1988 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1965 Innocenti J4.
Compare all specifications:
| 1965 Innocenti J4 | 1988 Jaguar XJS | |
| Make | Innocenti | Jaguar |
| Model | J4 | XJS |
| Year Released | 1965 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 3590 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 225 HP |
| Engine RPM | 5500 RPM | 5300 RPM |
| Torque | 82 Nm | 325 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 64.6 mm | 91 mm |
| Engine Stroke Size | 83.7 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 850 kg | 1630 kg |
| Vehicle Length | 3720 mm | 4880 mm |
| Vehicle Width | 1540 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1220 mm |
| Wheelbase Size | 2380 mm | 2600 mm |
