1986 GMC Suburban 2500 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 8x165.1 on every 1986 trim.

Tires for the 1986 GMC Suburban 2500

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

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

1973–1991 3 trims

Suburban 2500 350 4-bbl +2 variants 165 hp · 5.7L LT9 V8 235/85R16 2 fitments

Same tires and wheels on: 379 D, 454 4-bbl

Check price on Amazon · 235/85R16 Wheels 16x6.5 ET17 · 8x165.1 · 116.6 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/85R16	Rim 16x6.5 ET17 8x165.1	–
235/85R16	Rim 16x6.5 ET17 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.