tirewheelguide

1988 Oldsmobile 88 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 1988 trim.

Tires for the 1988 Oldsmobile 88

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

  1. 195/75R14 Best-rated standard on 2 trims
    Check price on Amazon · 195/75R14
  2. 205/75R14 Best-rated optional on 2 trims
    Check price on Amazon · 205/75R14
  3. 205/70R15 Best-rated optional on 2 trims
    Check price on Amazon · 205/70R15

Also listed: 215/65R15

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Trims sold in 1988
2
Generation
IX

2 trims sold in 1988

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

Oldsmobile 88 IX

1986–1991 2 trims
88 3.8 MPFI +1 variant 165 hp · LN3 V6 195/75SR14 4 fitments

Same tires and wheels on: 3.8 SFI

Generation
H-body · 1986–1991
Power
165 hp
Engine
LN3 V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 195/75R14 Wheels 14x5.5 ET39 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
195/75SR14Rim 14x5.5 ET39 5x11532 psi
205/75SR14Rim 14x6 ET42 5x11532 psi
205/70SR15Rim 15x6 ET42 5x11532 psi
215/65HR15Rim 15x6 ET42 5x11532 psi
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 1988
2
Generation
IX
Other years
All years (1949–1999)

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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