1970 Innocenti J4 vs. 2009 Mazda MX-5 Miata
To start off, 2009 Mazda MX-5 Miata is newer by 39 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 1,999 cc (4 cylinders), 2009 Mazda MX-5 Miata is equipped with a bigger engine. In terms of performance, 2009 Mazda MX-5 Miata (164 HP @ 7000 RPM) has 108 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2009 Mazda MX-5 Miata should accelerate faster than 1970 Innocenti J4.
Because 2009 Mazda MX-5 Miata 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 2009 Mazda MX-5 Miata. 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, 2009 Mazda MX-5 Miata (140 Nm @ 5000 RPM) has 57 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2009 Mazda MX-5 Miata will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
1970 Innocenti J4 | 2009 Mazda MX-5 Miata | |
Make | Innocenti | Mazda |
Model | J4 | MX-5 Miata |
Year Released | 1970 | 2009 |
Engine Position | Front | Front |
Engine Size | 1097 cc | 1999 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 56 HP | 164 HP |
Engine RPM | 5500 RPM | 7000 RPM |
Torque | 83 Nm | 140 Nm |
Torque RPM | 2500 RPM | 5000 RPM |
Engine Bore Size | 64.6 mm | 87.5 mm |
Engine Stroke Size | 83.7 mm | 83.1 mm |
Engine Compression Ratio | 21.5:1 | 10.8:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Vehicle Length | 3720 mm | 4030 mm |
Vehicle Width | 1540 mm | 1730 mm |
Vehicle Height | 1380 mm | 1480 mm |
Wheelbase Size | 2380 mm | 2340 mm |