Primary color, exterior, White Diamond Tricoat

Years 2009, 2013–15 Models 2 Factory citations 3

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Also documented for Buick Chevrolet Saturn

Documented applications

Acadia — first generation, Lambda (2007–2017)

2009, 2014–2015 Factory-verified

the 2014–2016 guides read White Diamond Tricoat; the 2009 list prints White Diamond. GM prints "(02)" in the 2009 list.

GM factory document — 2009 gmc acadia 2wd rpo code list, p.1.
GM factory document — 2014 gmc acadia fleet order guide wayback, p.1.
GM factory document — 2015 gmc acadia fleet order guide wayback, p.1.

Sierra — GMT900 (2007–2013)

2013 Single-source

New for 2013 per GM Authority. GM Authority 2013 Sierra RPO Central (https://gmauthority.com/blog/2012/04/2013-gmc-sierra-1500-and-sierra-hybrid-rpo-central/)

This page aggregates every documented appearance of 98U in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.