Chevrolet Avalanche tire size

The most common factory tire size for the Chevrolet Avalanche is 275/55R20, on 24 of the 38 year and trim fits listed. The table lists every year from 2010 to 2013 and the size each trim was built with. Pick your year and trim to see the tires that fit.

Chevrolet Avalanche tire sizes by year

Factory tire sizes of the Chevrolet Avalanche by year and trim
Year	Factory tire size	Trims
2013	275/55R20	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	265/70R17	LS 2WD, LS 4WD, LT 2WD, LT 4WD
	P275/55R20load index 111, speed rating S	Black Diamond LS, Black Diamond LT, Black Diamond LTZ
	265/65R18	LT 2WD, LT 4WD
	P265/70R17load index 113, speed rating S	Black Diamond LS, Black Diamond LT
	P265/65R18load index 112, speed rating S	Black Diamond LT w/Off-Road Pkg.
2012	275/55R20	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	265/70R17	LS 2WD, LS 4WD, LT 2WD, LT 4WD
	P275/55R20load index 111, speed rating S	LS, LT, LTZ
	265/65R18	LT 2WD, LT 4WD
	P265/70R17load index 113, speed rating S	LS, LT
	P265/65R18load index 112, speed rating S	LT w/Off-Road Pkg.
2011	275/55R20	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	285/45R22	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	265/70R17	LS 2WD, LS 4WD, LT 2WD, LT 4WD
	P275/55R20load index 111, speed rating S	LS, LT, LTZ
	265/65R18	LT 2WD, LT 4WD
	P265/70R17load index 113, speed rating S	LS, LT
2010	275/55R20	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	285/45R22	LS 2WD, LS 4WD, LT 2WD, LT 4WD, LTZ 2WD, LTZ 4WD
	265/70R17	LS 2WD, LS 4WD, LT 2WD, LT 4WD
	P275/55R20load index 111, speed rating S	LS, LT, LTZ
	265/65R18	LT 2WD, LT 4WD
	P265/70R17load index 113, speed rating S	LS, LT

Check your own tire

A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.

How to read your tire size Other Chevrolet models