1971 Innocenti J4 vs. 1999 Jaguar S-Type
To start off, 1999 Jaguar S-Type is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1971 Innocenti J4 would be higher. At 2,966 cc (6 cylinders), 1999 Jaguar S-Type is equipped with a bigger engine. In terms of performance, 1999 Jaguar S-Type (238 HP @ 6800 RPM) has 182 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1999 Jaguar S-Type should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Jaguar S-Type weights approximately 804 kg more than 1971 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Jaguar S-Type 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 Jaguar S-Type. However, in wet, icy, snow, or gravel driving conditions, 1971 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 Jaguar S-Type (293 Nm @ 4500 RPM) has 209 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 1999 Jaguar S-Type will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4.
Compare all specifications:
| 1971 Innocenti J4 | 1999 Jaguar S-Type | |
| Make | Innocenti | Jaguar |
| Model | J4 | S-Type |
| Year Released | 1971 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2966 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 238 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 84 Nm | 293 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 64.6 mm | 89 mm |
| Engine Stroke Size | 83.7 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 1684 kg |
| Vehicle Length | 3720 mm | 4860 mm |
| Vehicle Width | 1540 mm | 2040 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2380 mm | 3040 mm |
