5SD ✓ Factory-verified

GMC · Regular Production Option

Trim group, Acadia Denali Ultimate, all-wheel drive

Years 2025–27 Models 2 Factory citations 6

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Also described as Trim group, Denali, max range

Documented applications

Acadia — Third generation (2024–2027) →

• 2026–2027 ✓ Factory-verified

  Denali Ultimate AWD: S; GM fleet model TLF56; shown in the trim headings of the 2026 and 2027 guides; NICB prints the series as Denali Ultimate AWD (2026)

  ⛭ GM factory document — 2026 gmc acadia fleet order guide, p.1.

  ⛭ GM factory document — 2027 gmc acadia fleet order guide, p.1.

Sierra EV — BT1 (2024–2027) →

• 2025–2027 ✓ Factory-verified

  Denali

  ⛭ GM factory document — 2025 gmc sierra ev denali fleet order guide, p.1.

  ⛭ GM factory document — 2025 gmc sierra ev denali fleet order guide, p.22.

  ⛭ GM factory document — 2027 gmc sierra ev fleet order guide, p.1.

  ⛭ GM factory document — 2027 gmc sierra ev fleet order guide, p.46.

This page aggregates every documented appearance of 5SD in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.