LGY ✓ Factory-verified

Cadillac · Regular Production Option

Engine, 3.0L V6, twin turbo, SIDI

Years 2025–26 Models 1 Factory citations 8

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Documented applications

CT5 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  Premium Luxury: O; V-Series: S; V-Series Blackwing: not available

  ⛭ GM factory document — 2025 cadillac ct5 fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 cadillac ct5 fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.8.

  ⛭ GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.9.

  ⛭ GM factory document — 2025 cadillac ct5 fleet order guide, p.13.

  ⛭ GM factory document — 2026 cadillac ct5 fleet order guide, p.14.

Related codes · mentioned in these notes

OSV

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