18 ◑ Single-source

Pontiac · Regular Production Option

Paint, accent, Medium Gray Metallic

Years 1984–87 Models 1

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Documented applications

Fiero (1984–1988) →

• 1984–1987 ◑ Single-source

  years from the OSG

This page aggregates every documented appearance of 18 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.