1991 Chevrolet Blazer tire and wheel sizes, bolt pattern and tire pressure

Bolt patterns 6x139.7 (USA) or 5x127 (Mexico), depending on the market version.

Tires for the 1991 Chevrolet Blazer

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

235/75R15 Best-rated standard on 2 trims · USA

Check price on Amazon · 235/75R15
215/75R15 Best-rated standard on 1 trim · optional on 1 · Mexico, USA

Check price on Amazon · 215/75R15

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Sold in 2 market versions with different tire sizes and bolt patterns. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

1996–2000 3 trims

2 trims

Blazer 5.7 4WD 210 hp · V8 235/75R15 2 fitments

Check price on Amazon · 235/75R15 Wheels 15x6 ET0 · 6x139.7 · 78.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/75R15	Rim 15x6 ET0 ~~6x139.7~~	–
215/75R15	Rim 15x7 ET13 ~~6x139.7~~	–

Blazer 6.2 4WD 145 hp · V8 · Diesel 235/75R15 2 fitments

Check price on Amazon · 235/75R15 Wheels 15x6 ET0 · 6x139.7 · 78.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/75R15	Rim 15x6 ET0 ~~6x139.7~~	–
235/75R15	Rim 15x7 ET13 ~~6x139.7~~	–

1 trim

Blazer 3.1 2WD 119 hp · V6 215/75R15 1 fitment

Check price on Amazon · 215/75R15 Wheels 15x7 ET13 · 5x127 · 78.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
215/75R15	Rim 15x7 ET13 ~~5x127~~	–

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.