- 2000 Factory-verified
The 2000 list prints Tin; the 1998–1999 lists give beige (previous row)
- 1998, 1999 Factory-verified
Light beige in 1998, medium beige in 1999; the 2000 list gives 642 another color (next row)
642 Factory-verified
Also described as Trim combination, leather, beige
Also documented for ChevroletOldsmobilePontiac
Documented applications
This page aggregates every documented appearance of 642 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.