1999 GMC Sierra 1500 Wheel Size & Fitment Specs

Confirmed OEM mounting and wheel configurations for this model year. Multiple setups are listed separately — nothing is collapsed to a single arbitrary size.

Bolt pattern6x139.7
Center bore78.1 mm
Thread sizeM12 x 1.5
FastenerLug nuts

Open wheel fitment calculator → · Tire sizes →

4.3i

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	6.5x16	ET25	4.23"	235/75R16	78.1 mm
Front / all	7x16	ET31	4.72"	255/70R16	78.1 mm
Front / all	7x16	ET31	4.72"	245/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	255/70R17	78.1 mm

4.3i 4WD

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	6.5x16	ET25	4.23"	245/75R16	78.1 mm
Front / all	7x16	ET31	4.72"	265/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	265/70R17	78.1 mm
Front / all	7.5x18	ET30	4.93"	265/65R18	78.1 mm

4.8i

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET31	4.72"	255/70R16	78.1 mm
Front / all	7x16	ET31	4.72"	245/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	255/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	265/65R17	78.1 mm

4.8i 4WD

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	6.5x16	ET25	4.23"	245/75R16	78.1 mm
Front / all	7x16	ET31	4.72"	265/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	265/70R17	78.1 mm
Front / all	7.5x18	ET30	4.93"	265/65R18	78.1 mm

5.3i

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	7x16	ET31	4.72"	255/70R16	78.1 mm
Front / all	7x16	ET31	4.72"	245/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	255/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	265/65R17	78.1 mm

5.3i 4WD

Position	Rim	Offset	Backspacing	Tire	Bore
Front / all	6.5x16	ET25	4.23"	245/75R16	78.1 mm
Front / all	7x16	ET31	4.72"	265/75R16	78.1 mm
Front / all	7x17	ET31	4.72"	245/70R17	78.1 mm
Front / all	7.5x17	ET31	4.97"	265/70R17	78.1 mm
Front / all	8x18	ET25	4.98"	265/65R18	78.1 mm

Vehicles with potentially interchangeable wheels

Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.

2022 GMC Sierra 1500
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →
2022 Chevrolet Tahoe
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →
2022 GMC Yukon
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →
2022 Cadillac Escalade
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →
2022 Chevrolet Silverado 1500
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →
2022 GMC Yukon XL
- 6x139.7 bolt pattern
- matching center bore
- compare rim diameter vs OEM 16"
- compare rim width vs OEM 6.5"
- compare offset vs OEM ET25
Compare on fitment tool →

Hardware matching known specs

MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks
Thread matches catalog hardware
M12 x 1.5 · lock
View on Amazon
Gorilla Automotive Wheel Locks With Washer (M12x1.50)
Thread matches catalog hardware
M12 x 1.5 · lock
View on Amazon
White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count
Thread matches catalog hardware
M12 x 1.5
View on Amazon