tirewheelguide

2001 GMC Sierra 1500 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 2001 trim.

Tires for the 2001 GMC Sierra 1500

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

  1. 245/75R16 Best-rated standard on 3 trims · optional on 3
    Check price on Amazon · 245/75R16
  2. 255/70R16 Best-rated standard on 2 trims · optional on 1
    Check price on Amazon · 255/70R16
  3. 245/70R17 Best-rated standard on 1 trim · optional on 6
    Check price on Amazon · 245/70R17

Also listed: 235/75R16 265/70R17 265/65R18 265/75R16 255/70R17 265/65R17

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Trims sold in 2001
7
Generation
GMT800

7 trims sold in 2001

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

GMC Sierra 1500 GMT800

1999–2006 7 trims
Sierra 1500 4.3i 200 hp · 4.3L LU3 V6 235/75R16 106S 5 fitments
Generation
GMT800 · 1999–2006
Power
200 hp
Engine
4.3L LU3 V6, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 235/75R16 Wheels 16x6.5 ET25 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/75R16 106SRim 16x6.5 ET25 6x139.735 psi
255/70R16 109SRim 16x7 ET31 6x139.735 psi
245/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
255/70R17 110SRim 17x7.5 ET31 6x139.735 psi

How to read 106S: 106 is the load index (up to 2,094 lb / 950 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Sierra 1500 4.3i 4WD 200 hp · 4.3L LU3 V6 245/75R16 109S 5 fitments
Generation
GMT800 · 1999–2006
Power
200 hp
Engine
4.3L LU3 V6, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 245/75R16 Wheels 16x6.5 ET25 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/75R16 109SRim 16x6.5 ET25 6x139.735 psi
265/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
265/70R17 113SRim 17x7.5 ET31 6x139.735 psi
265/65R18 112TRim 18x7.5 ET30 6x139.735 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 1500 4.8i 270 hp · 4.8L LR4 V8 255/70R16 109S 5 fitments
Generation
GMT800 · 1999–2006
Power
270 hp
Engine
4.8L LR4 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 255/70R16 Wheels 16x7 ET31 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/70R16 109SRim 16x7 ET31 6x139.735 psi
245/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
255/70R17 109SRim 17x7.5 ET31 6x139.735 psi
265/65R17 112SRim 17x7.5 ET31 6x139.735 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET31 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 1500 4.8i 4WD 270 hp · 4.8L LR4 V8 245/75R16 108S 5 fitments
Generation
GMT800 · 1999–2006
Power
270 hp
Engine
4.8L LR4 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 245/75R16 Wheels 16x6.5 ET25 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/75R16 108SRim 16x6.5 ET25 6x139.735 psi
265/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
265/70R17 113SRim 17x7.5 ET31 6x139.735 psi
265/65R18 112TRim 18x7.5 ET30 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 1500 5.3i 285 hp · 5.3L LM7 V8 255/70R16 109S 5 fitments
Generation
GMT800 · 1999–2006
Power
285 hp
Engine
5.3L LM7 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 255/70R16 Wheels 16x7 ET31 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
255/70R16 109SRim 16x7 ET31 6x139.735 psi
245/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
255/70R17 110SRim 17x7.5 ET31 6x139.735 psi
265/65R17 112SRim 17x7.5 ET31 6x139.735 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET31 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 1500 5.3i 4WD 285 hp · 5.3L LM7 V8 245/75R16 109S 5 fitments
Generation
GMT800 · 1999–2006
Power
285 hp
Engine
5.3L LM7 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 245/75R16 Wheels 16x6.5 ET25 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/75R16 109SRim 16x6.5 ET25 6x139.735 psi
265/75R16 109SRim 16x7 ET31 6x139.735 psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
265/70R17 113SRim 17x7.5 ET31 6x139.735 psi
265/65R18 112TRim 18x8 ET25 6x139.735 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 1500 6.0i 300 hp · 6.0L LQ4 V8 245/70R17 108S 4 fitments
Generation
GMT800 · 1999–2006
Power
300 hp
Engine
6.0L LQ4 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Check price on Amazon · 245/70R17 Wheels 17x7 ET31 · 6x139.7 · 78.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/70R17 108SRim 17x7 ET31 6x139.735 psi
265/70R17 113SRim 17x7.5 ET31 6x139.735 psi
265/65R18 112TRim 18x7.5 ET30 6x139.735 psi
265/65R18 112TRim 18x8 ET25 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET31 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 2001
7
Generation
GMT800
Other years
All years (1988–2026)

Considering a different size?

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