updated D-4S (multi-hole injector) system to achieve "high-speed combustion", resulting in thermal efficiency over 40%.
* Cylinder centreline is offset from crankshaft centreline, meaning that piston top dead center is always equivalent to several degrees of crankshaft rotation.

In development and production of the engine, Toyota claims it would be a "completely new engine design based on the TNGA strategy".

Previously, Toyota offered about 800 engine variants, most of which

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