3.8L (231) V6 2-bbl, naturally aspirated (105 hp)

Years 1977–82 Models 2

Also described as 3.8L (231) V6 2-bbl

Documented applications

Full-Size — LeSabre / Electra / Wildcat

1977–1982 Confirmed

LeSabre

Regal / Century

1978–1982 Confirmed

Regal, Century (std.)

This page aggregates every documented appearance of LD5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.