My bad. I have like 3 vehicle packs and they all have tahoes from the same year and I didn't know who to give credit to. I believe it could also be TickleMeElmo's 2015 Tahoe, and I can see how it could have been confusing.
EDIT: I really confused myself somehow. Oh well. I fixed it.
Lore friendly SAHP liveries done for the 2015 Tahoe found in TickleMeElmo's LSPD Pack. Have your sheriffs be more appropriate for highway pursuits through blaine county!
Find the model here:
Lore friendly liveries for the 2017 Silverado by TickleMeElmo. The livery is useful if you use the Silverado as a sheriff or pranger vehicle!
Model can be found here: