V (VIN) ● Confirmed

Buick · Regular Production Option

5th VIN character `V` = factory Stage 1 455 (engine codes **XS** '73, **ZS** '74)

Years 1972–74 Models 2

Also described as 5th VIN character `V` identifies factory Stage 1 455 engine

Documented applications

Regal / Century →

• 1973–1974 ● Confirmed

  Century GS Stage 1

Skylark / GS →

• 1972 ● Confirmed

  GS Stage 1

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