1971 Innocenti J4 vs. 2004 Mazda MX-5 Miata
To start off, 2004 Mazda MX-5 Miata is newer by 33 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 1,840 cc (4 cylinders), 2004 Mazda MX-5 Miata is equipped with a bigger engine. In terms of performance, 2004 Mazda MX-5 Miata (134 HP @ 7000 RPM) has 78 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2004 Mazda MX-5 Miata should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda MX-5 Miata weights approximately 260 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 2004 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 2004 Mazda MX-5 Miata. 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, 2004 Mazda MX-5 Miata (169 Nm @ 5000 RPM) has 85 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 2004 Mazda MX-5 Miata will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4.
Compare all specifications:
1971 Innocenti J4 | 2004 Mazda MX-5 Miata | |
Make | Innocenti | Mazda |
Model | J4 | MX-5 Miata |
Year Released | 1971 | 2004 |
Engine Position | Front | Front |
Engine Size | 1098 cc | 1840 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 56 HP | 134 HP |
Engine RPM | 5500 RPM | 7000 RPM |
Torque | 84 Nm | 169 Nm |
Torque RPM | 2500 RPM | 5000 RPM |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 2 seats |
Vehicle Weight | 880 kg | 1140 kg |
Vehicle Length | 3720 mm | 3980 mm |
Vehicle Width | 1540 mm | 1690 mm |
Vehicle Height | 1380 mm | 1240 mm |
Wheelbase Size | 2380 mm | 2270 mm |