2026 GMC Sierra 3500 HD Tires

Original-equipment tire sizes for the 2026 GMC Sierra 3500 HD from the factory fitment data, and the tires we can supply below. Prices are quoted all-in — tire, installation, balancing and taxes.

Factory tire sizes — 2026 GMC Sierra 3500 HD

Trim	Tire size (OE)
AT4	275/65R20	Shop 275/65R20
Denali	275/65R20	Shop 275/65R20
Denali (DRW)	235/80R18	Shop 235/80R18
Denali Ultimate	275/65R20	Shop 275/65R20
Denali Ultimate (DRW)	235/80R18	Shop 235/80R18
Pro	275/70R18	Shop 275/70R18
Pro (DRW)	235/80R17	Shop 235/80R17
Pro (DRW)	235/80R18	Shop 235/80R18
SLE	275/65R20	Shop 275/65R20
SLE	275/70R18	Shop 275/70R18
SLE (DRW)	235/80R17	Shop 235/80R17
SLE (DRW)	235/80R18	Shop 235/80R18
SLT	275/65R20	Shop 275/65R20
SLT	275/70R18	Shop 275/70R18
SLT (DRW)	235/80R17	Shop 235/80R17
SLT (DRW)	235/80R18	Shop 235/80R18

These are the original-equipment fitments for this model. Optional wheel packages can differ — the door-jamb placard is final. Not sure? Text us a photo and we will confirm the size.

2026 GMC Sierra 3500 HD Tires

Factory tire sizes — 2026 GMC Sierra 3500 HD

DEFENDER LTX M/S 2

OPEN COUNTRY A/TIII

DISCOVERER STRONGHOLD AT

LTX A/T2

BLIZZAK LT

DEFENDER LTX PLATINUM

WINTERFORCE LT

DISCOVERER SNOW CLAW

SCORPION A/T+

DESTINATION M/T2

WRANGLER TRAILRUNNER AT

ALL TERRAIN T/A KO3

AGILIS CROSSCLIMATE 2

OPEN COUNTRY CT

HD PRO T/A

WRANGLER OUTBOUND AT

SCORPION XTM AT ELT

SCORPION XTM AT ELT

PRIMACY XC

ALL TERRAIN T/A KO3

AGILIS CROSSCLIMATE 2

OPEN COUNTRY A/TIII

DEFENDER LTX M/S 2

OPEN COUNTRY A/TIII

OPEN COUNTRY A/TIII

DISCOVERER STRONGHOLD AT

BLIZZAK LT

SCORPION XTM AT

TRANSFORCE HT2

TRANSFORCE AT2

GRABBER APT 4S

TRANSFORCE AT2

OPEN COUNTRY M/T

WRANGLER DURATRAC LT

ALL TERRAIN T/A KO3

LTX A/T2

Other Sierra 3500 HD years

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