- 2024 Single-source
GM Authority 2024 paint article
Also described as Lakeshore Blue Metallic (touch-up WA-136H)
Also documented for BuickCadillacGMC
Documented applications
- 2025–2027 Factory-verified
O: LT, RS; not offered: ACTIV; touch-up WA-136H
- 2025 Factory-verified
touch-up WA-136H; all interiors
- 2025–2027 Factory-verified
touch-up WA-136H
- 2025–2026 Factory-verified
touch-up WA-136H
- 2025–2027 Factory-verified
not available on RST or Z71 in the 2025–2027 guides; the 2026 body-builder list reads Cosmonaut Met-1 (136H)
- 2025–2027 Factory-verified
not available on RST or Z71 in the 2025–2027 guides; the 2026 body-builder list reads Cosmonaut Met-1 (136H); also offered on the Police Package and Special Service color pages (2025–2027)
- 2025–2026 Factory-verified
touch-up WA-136H; available on all trims
This page aggregates every documented appearance of GXP in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.