[1] The G16E-GTS is a turbocharged engine model with 10.5:1 compression ratio and D-4ST direct/port injection system with multi-oil jet piston cooling, large-diameter exhaust valves and a part-machined intake port.

[2] Applications: In 2021, Toyota modified the G16E-GTS engine to run exclusively on hydrogen fuel.

[3] Toyota has tried to establish hydrogen as a zero-emission fuel alternative to petrol in motorsport and for daily use.

In 2023, Toyota showcased its Corolla Cross H2 concept vehicle which used the hydrogen-fueled G16E-GTS engine.

[4] A de-stroked variation of the G16E-GTS engine with a displacement of 1.4 L (85.4 cu in), which is compatible with synthetic fuel, is used by the GR86 for the 2022 Super Taikyu series.