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2014 GMC Sierra 3500HD tire and wheel sizes, bolt pattern and tire pressure

Bolt patterns 8x210 or 8x180, depending on the market version.

Tires for the 2014 GMC Sierra 3500HD

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

  1. 235/80R17 Best-rated standard on 2 trims
    Check price on Amazon · 235/80R17
  2. 265/70R18 Best-rated standard on 2 trims
    Check price on Amazon · 265/70R18
  3. 265/60R20 Best-rated optional on 2 trims
    Check price on Amazon · 265/60R20

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Trims sold in 2014
4
Generation
GMTK2

4 trims sold in 2014

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

GMC Sierra 3500HD GMTK2

2014–2019 4 trims
Sierra 3500HD 6.0i DRW 360 hp · V8 235/80R17 117R 1 fitment
Generation
GMTK2 · 2014–2019
Power
360 hp
Engine
V8, Petrol
Center bore
154.2 mm
Bolt pattern
8x210
Thread
M14 x 1.5
Check price on Amazon · 235/80R17 Wheels 17x6.5 ET125 · 8x210 · 154.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/80R17 117RRim 17x6.5 ET125 8x21070 psi

How to read 117R: 117 is the load index (up to 2,833 lb / 1,285 kg per tire) and R the speed rating (up to 106 mph / 170 km/h). ET125 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Sierra 3500HD 6.0i SRW 360 hp · V8 265/70R18 124R 2 fitments
Generation
GMTK2 · 2014–2019
Power
360 hp
Engine
V8, Petrol
Center bore
124.1 mm
Bolt pattern
8x180
Thread
M14 x 1.5
Check price on Amazon · 265/70R18 Wheels 18x8 ET44 · 8x180 · 124.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
265/70R18 124RRim 18x8 ET44 8x18059 psi
265/60R20Rim 20x8.5 ET44 8x18059 psi

How to read 124R: 124 is the load index (up to 3,527 lb / 1,600 kg per tire) and R the speed rating (up to 106 mph / 170 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Sierra 3500HD 6.6TD DRW 397 hp · V8 · Diesel 235/80R17 1 fitment
Generation
GMTK2 · 2014–2019
Power
397 hp
Engine
V8, Diesel
Center bore
154.2 mm
Bolt pattern
8x210
Thread
M14 x 1.5
Check price on Amazon · 235/80R17 Wheels 17x6.5 ET55 · 8x210 · 154.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/80R17Rim 17x6.5 ET55 8x210–
Sierra 3500HD 6.6TD SRW 397 hp · V8 · Diesel 265/70R18 2 fitments
Generation
GMTK2 · 2014–2019
Power
397 hp
Engine
V8, Diesel
Center bore
124.1 mm
Bolt pattern
8x180
Thread
M14 x 1.5
Check price on Amazon · 265/70R18 Wheels 18x8 ET44 · 8x180 · 124.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
265/70R18Rim 18x8 ET44 8x180–
265/60R20Rim 20x8.5 ET44 8x180–
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 2014
4
Generation
GMTK2
Other years
All years (1999–2026)

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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