1970 Innocenti J4 vs. 1989 Mazda MX-5 Miata
To start off, 1989 Mazda MX-5 Miata is newer by 19 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 1,598 cc (4 cylinders), 1989 Mazda MX-5 Miata is equipped with a bigger engine. In terms of performance, 1989 Mazda MX-5 Miata (116 HP @ 6500 RPM) has 60 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1989 Mazda MX-5 Miata should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1989 Mazda MX-5 Miata weights approximately 90 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 1989 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 1989 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, 1989 Mazda MX-5 Miata (137 Nm @ 5500 RPM) has 54 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 1989 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 | 1989 Mazda MX-5 Miata | |
Make | Innocenti | Mazda |
Model | J4 | MX-5 Miata |
Year Released | 1970 | 1989 |
Engine Position | Front | Front |
Engine Size | 1097 cc | 1598 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 56 HP | 116 HP |
Engine RPM | 5500 RPM | 6500 RPM |
Torque | 83 Nm | 137 Nm |
Torque RPM | 2500 RPM | 5500 RPM |
Engine Bore Size | 64.6 mm | 78 mm |
Engine Stroke Size | 83.7 mm | 83.6 mm |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Vehicle Weight | 880 kg | 970 kg |
Vehicle Length | 3720 mm | 3950 mm |
Vehicle Width | 1540 mm | 1680 mm |
Vehicle Height | 1380 mm | 1230 mm |
Wheelbase Size | 2380 mm | 2270 mm |