- 2017–2019 Factory-verified
touch-up WA-705U; 2019: from GM order-guide copies (Corvette Action Center, GM Authority)
GTR Factory-verified
Also documented for CadillacGMC
Documented applications
- 2027 Factory-verified
touch-up WA-705U; premium color, additional charge
This page aggregates every documented appearance of GTR in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.