Engine, 3.6L V6, SIDI, VVT, stop/start

Years 2018–24 Models 1 Factory citations 3

Also documented for Chevrolet

Documented applications

Enclave — C1XX (2018–2024)

2018–2024 Factory-verified

S on all trims; output by source: the 2018 fleet page and the 2022–2023 guides give 310 hp (231 kW) at 6800 rpm and 266 lb-ft (359 N-m) at 2800 rpm, GM's June 2017 order guide (GM Authority) 302 hp and 260 lb-ft, GM Authority's Enclave page 305 hp and 260 lb-ft before 2020 and 310 hp and 266 lb-ft from 2020; 2019–2021, 2024: GM Authority (its 2024 page says the engine carries over from 2018 to 2023; its 2020, 2021 and 2024 pages and 2024 specifications name LFY)

GM factory document — 2018 buick enclave fleet order guide wayback, p.1.
GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.9, p.32.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.8, p.30.

This page aggregates every documented appearance of LFY in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.