Toyota G16E engine

The Toyota G16E engine is a 1618 cc straight-three engine built by Toyota under its Gazoo Racing division that was first introduced in January 2020 for the GR Yaris.

G16E-GTS
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. The turbo boost is set between 1.4 and 1.81 bar. With the engine producing up to 200 kW (which comes out to undefined kW per litre) in the GR Yaris and 224 kW (undefined kW per litre) in the GR Corolla, it makes the engine as one of the most powerful three-cylinder automobile engines ever produced. The engine also has the highest specific output of any Toyota road car engine, exceeding the undefined kW per litre specific output from the 191 kW 2.0-litre 3S-GTE engine used in the ST246 Caldina GT-Four.

Applications:
 * 2020–present GR Yaris (GXPA16)
 * 2022–present GR Corolla (GZEA14)
 * 2024–present Lexus LBX Morizo RR (GAYA16)

Hydrogen version
In 2021, Toyota modified the G16E-GTS engine to run exclusively on hydrogen fuel. The modified engine ran in the 2021–2022 Super Taikyu series. 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.

Others
A de-stroked variation of the G16E-GTS engine with a displacement of 1.4 L, which is compatible with synthetic fuel, is used by the GR86 for the 2022 Super Taikyu series. The stroke was reduced from 89.7 to 77 mm.