Mazda preparing inline-six petrol, diesel engines

Mazda is committed to bringing back the six, with an investor report revealing the brand is working on a pair of longitudinally-oriented inline-six engines with 48V and plug-in hybrid technology. In a presentation dubbed Fiscal Year 2019 March Results there's a graphic dedicated to future product and, under the "Large Architecture" header, features straight-six Skyactiv-X and Skyactiv-D engines.