- 2017–2018 Factory-verified
GM's lists read yellow; the name is the 2018 guide's; the 2015 list does not print it; the 2018 guide offers it with the Medium Pewter interior (93G), requires a batch order of six vans and does not allow WBP with it
GTP Factory-verified
Documented applications
This page aggregates every documented appearance of GTP in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.