1970 Innocenti J4 vs. 1990 Jaguar XJR-15
To start off, 1990 Jaguar XJR-15 is newer by 20 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 5,993 cc (12 cylinders), 1990 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR-15 (450 HP @ 6250 RPM) has 394 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1990 Jaguar XJR-15 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1990 Jaguar XJR-15 weights approximately 170 kg more than 1970 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Jaguar XJR-15 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 1990 Jaguar XJR-15. 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, 1990 Jaguar XJR-15 (569 Nm @ 4500 RPM) has 486 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1990 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
1970 Innocenti J4 | 1990 Jaguar XJR-15 | |
Make | Innocenti | Jaguar |
Model | J4 | XJR-15 |
Year Released | 1970 | 1990 |
Engine Position | Front | Middle |
Engine Size | 1097 cc | 5993 cc |
Engine Cylinders | 4 cylinders | 12 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 56 HP | 450 HP |
Engine RPM | 5500 RPM | 6250 RPM |
Torque | 83 Nm | 569 Nm |
Torque RPM | 2500 RPM | 4500 RPM |
Engine Bore Size | 64.6 mm | 90.1 mm |
Engine Stroke Size | 83.7 mm | 78.5 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Vehicle Weight | 880 kg | 1050 kg |
Vehicle Length | 3720 mm | 4810 mm |
Vehicle Width | 1540 mm | 1910 mm |
Vehicle Height | 1380 mm | 1110 mm |
Wheelbase Size | 2380 mm | 2870 mm |