tirewheelguide

1999 GMC Sierra 3500HD tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 8x165.1 on every 1999 trim.

Tires for the 1999 GMC Sierra 3500HD

Sizes most trims come with first. Open your trim below for its exact size.

  1. 215/85R16 Best-rated standard on 3 trims
    Check price on Amazon · 215/85R16
  2. 225/75R16 Best-rated optional on 3 trims
    Check price on Amazon · 225/75R16
  3. 245/75R16 Best-rated optional on 3 trims
    Check price on Amazon · 245/75R16

Also listed: 265/75R16

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Trims sold in 1999
3
Generation
GMT800

3 trims sold in 1999

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

GMC Sierra 3500HD GMT800

1999–2006 3 trims
Sierra 3500HD 6.0i +2 variants 300 hp · V8 215/85R16 4 fitments

Same tires and wheels on: 6.6TD, 8.1i

Generation
GMT800 · 1999–2006
Power
300 hp
Engine
V8, Petrol
Center bore
116.7 mm
Bolt pattern
8x165.1
Thread
M14 x 1.5
Check price on Amazon · 215/85R16 Wheels 16x6.5 ET25 · 8x165.1 · 116.7 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
215/85R16Rim 16x6.5 ET25 8x165.1–
225/75R16Rim 16x6.5 ET25 8x165.1–
245/75R16Rim 16x6.5 ET28 8x165.1–
265/75R16Rim 16x7 ET31 8x165.1–
What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1999
3
Generation
GMT800
Other years
All years (1999–2026)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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