- 2010–2012 Single-source
264 hp and 222 lb-ft; replaced by LFX for 2013; GM Authority's Terrain page only, no factory page in the archive
LF1 Single-source
Also documented for CadillacChevrolet
Documented applications
This page aggregates every documented appearance of LF1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.