CNG ✓ Factory-verified

Buick · Regular Production Option

Sill plates, Buick

Years 2018–19 Models 1 Factory citations 3

Query this via API →

Documented applications

Regal — E2XX (2018–2020) →

• 2018–2019 ✓ Factory-verified

  2019: Preferred, Preferred II, Essence, Avenir: S (2019 Sportback order guide)

  ⛭ GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.

  ⛭ GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.

  ⛭ GM factory document — 2019 buick regal sportback order guide copy gm authority, p.6.

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