JQ5 ✓ Factory-verified

Buick · Regular Production Option

Brakes, Brembo, performance, 4-wheel antilock, 4-wheel vented disc

Years 2018–19 Models 1 Factory citations 2

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Documented applications

Regal — E2XX (2018–2020) →

• 2018–2019 ✓ Factory-verified

  only in: Sportback; 2019: GS: S (2019 Sportback order guide); new for 2018

  ⛭ GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1, p.5.

  ⛭ GM factory document — 2019 buick regal sportback order guide copy gm authority, p.7.

This page aggregates every documented appearance of JQ5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.