“We intend to introduce SkyActiv-X in a step-wise fashion for all the new-generation products in a successive manner. I wouldn't deny the potential [of SkyActiv X in MX-5] but the MX-5 has its own thing that we need to think about in terms of what its character is. We're pursuing rigorous lightweighting of the MX-5, so what we're trying to do is lower the burden on the engine by doing so, and it's all in the pursuit of getting the oneness between the car and the driver.”

He admits that the exotic SkyActiv-X is a weightier lump than the more prosaic SkyActiv-G.
“Simply the extra air supply system is going to add weight so SkyActiv-X is inherently a heavier than the SkyActiv-G. We will reveal how much heavier soon,” he nods.
So the compression ignition engine seems to run counter to Mazda’s engine strategy for the roadster.
“Lightweighting of the engine in MX-5 we will definitely be pursuing,” he confirms.
In the shorter term, there is good news for those looking for improvements to the iconic drop-top.
“The 1.5-litre is the little brother hiding behind the back of the 2.0-litre but that's not to say development isn't being done. It is and the combustion of the 1.5-litre is also being developed and improved,” he smiles.
That’s great news. The improvements to the 2.0-litre last year transformed that engine for the better and making the 1.5 breathe better and rev more sweetly can’t happen quickly enough.

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