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1982 GMC Sonoma tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120.65 on every 1982 trim.

Tires for the 1982 GMC Sonoma

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

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

Also listed: 235/70R17 235/70R15

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Trims sold in 1982
5
Generation
GMT325

5 trims sold in 1982

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 Sonoma GMT325

1982–1993 5 trims
Sonoma 2.5i +1 variant N/A · I4 195/75R14 103S 2 fitments

Same tires and wheels on: 2.8i

Generation
GMT325 · 1982–1993
Power
N/A
Engine
I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
M12 x 1.5
Check price on Amazon · 195/75R14 Wheels 14x5.5 ET28 · 5x120.65 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
195/75R14 103SRim 14x5.5 ET28 5x120.65–
205/75R14 105SRim 14x6 ET25 5x120.65–

How to read 103S: 103 is the load index (up to 1,929 lb / 875 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET28 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Sonoma 2.5i 4WD N/A · I4 205/75R15 107S 2 fitments
Generation
GMT325 · 1982–1993
Power
N/A
Engine
I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
M12 x 1.5
Check price on Amazon · 205/75R15 Wheels 15x6 ET63 · 5x120.65 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/75R15 107SRim 15x6 ET63 5x120.65–
235/70R15 109SRim 15x7 ET51 5x120.65–

How to read 107S: 107 is the load index (up to 2,150 lb / 975 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET63 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sonoma 2.8i 4WD +1 variant N/A · V6 205/75R15 107S 2 fitments

Same tires and wheels on: 4.3i 4WD

Generation
GMT325 · 1982–1993
Power
N/A
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
M12 x 1.5
Check price on Amazon · 205/75R15 Wheels 15x6 ET63 · 5x120.65 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/75R15 107SRim 15x6 ET63 5x120.65–
235/70R17 109SRim 17x7 ET51 5x120.65–

How to read 107S: 107 is the load index (up to 2,150 lb / 975 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET63 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

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 1982
5
Generation
GMT325
Other years
All years (1982–2004)

Considering a different size?

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

Open the size calculator

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