2020 Chevrolet Suburban tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 2020 trim.

Tires for the 2020 Chevrolet Suburban

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

  1. 265/70R17 Best-rated standard on 2 trims · optional on 1 · USA, Mexico
  2. 265/65R18 Best-rated standard on 1 trim · optional on 2 · USA, Mexico
  3. 275/55R20 Best-rated optional on 3 trims · USA, Mexico

Also listed: 285/45R22

Best tires for the 2020 Chevrolet Suburban

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Trims sold in 2020
3
Generation
X (GMTK2YC, G) sold in 2 market versions
Best tires for the 2020 Chevrolet Suburban

3 trims sold in 2020

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

Chevrolet Suburban X (GMTK2YC, G)

2015–2020 3 trims

USA

2 trims
Suburban 5.3 355 hp · 5.3L LY5 V8 265/70R17 115S 4 fitments
Generation
GMTK2YC/G · 2015–2020
Market
USA
Power
355 hp
Engine
5.3L LY5 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/70R17 115SRim 17x8 ET24 6x139.735 psi
265/65R18 112TRim 18x8.5 ET24 6x139.735 psi
275/55R20 111SRim 20x9 ET27 6x139.735 psi
285/45R22 110HRim 22x9 ET24 6x139.735 psi

How to read 115S: 115 is the load index (up to 2,679 lb / 1,215 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET24 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Suburban 6.2 420 hp · 6.2L LY6 V8 265/65R18 112T 4 fitments
Generation
GMTK2YC/G · 2015–2020
Market
USA
Power
420 hp
Engine
6.2L LY6 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/65R18 112TRim 18x8.5 ET24 6x139.735 psi
275/55R20 111SRim 20x9 ET27 6x139.735 psi
265/70R17 115SRim 17x8 ET24 6x139.735 psi
285/45R22 110HRim 22x9 ET24 6x139.735 psi

How to read 112T: 112 is the load index (up to 2,469 lb / 1,120 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET24 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Mexico

1 trim
Suburban 5.3 355 hp · 5.3L LY5 V8 265/70R17 115S 4 fitments
Generation
GMTK2YC/G · 2015–2020
Market
Mexico
Power
355 hp
Engine
5.3L LY5 V8, Petrol
Center bore
78.1 mm
Bolt pattern
6x139.7
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/70R17 115SRim 17x8 ET24 6x139.735 psi
265/65R18 112TRim 18x8.5 ET24 6x139.735 psi
275/55R20 111SRim 20x9 ET27 6x139.735 psi
285/45R22 110HRim 22x9 ET24 6x139.735 psi

How to read 115S: 115 is the load index (up to 2,679 lb / 1,215 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET24 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 2020
3
Generation
X (GMTK2YC, G) sold in 2 market versions
Other years
All years (2007–2026)
Best tires for the 2020 Chevrolet Suburban

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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