tirewheelguide

2026 Ram 2500 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 8x165.1 on every 2026 trim.

Tires for the 2026 Ram 2500

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

  1. 285/70R17 Best-rated standard on 1 trim · optional on 1
    Check price on Amazon · 285/70R17
  2. 275/70R18 Best-rated standard on 1 trim · optional on 1
    Check price on Amazon · 275/70R18
  3. 285/60R20 Best-rated optional on 2 trims
    Check price on Amazon · 285/60R20

Also listed: 245/70R17

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Trims sold in 2026
2
Generation
DS/DJ

2 trims sold in 2026

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

Ram 2500 DS/DJ

2025–2027 USA 2 trims
2500 6.4 HEMI 405 hp · 6.4 L V8 Petrol 6.4 L V8 285/70R17 3 fitments
Generation
DS/DJ Facelift · 2025–2027
Market
USA
Power
405 hp
Engine
6.4 L V8 Petrol 6.4 L V8, Petrol
Center bore
121.3 mm
Bolt pattern
8x165.1
Thread
M14 x 1.5
Check price on Amazon · 285/70R17 Wheels 17x8 ET45 · 8x165.1 · 121.3 mm on Amazon
FitTire sizeRim size and bolt patternPressure, psi
OE285/70R17Rim 17x8 ET45 8x165.1–
OE275/70R18Rim 18x8 ET57 8x165.159 psi
OE285/60R20Rim 20x8 ET54 8x165.165 psi
2500 6.7 Cummins 430 hp · 6.7 L I6 Diesel 6.7 L I6 · Diesel 275/70R18 4 fitments
Generation
DS/DJ Facelift · 2025–2027
Market
USA
Power
430 hp
Engine
6.7 L I6 Diesel 6.7 L I6, Diesel
Center bore
121.3 mm
Bolt pattern
8x165.1
Thread
M14 x 1.5
Check price on Amazon · 275/70R18 Wheels 18x8 ET57 · 8x165.1 · 121.3 mm on Amazon
FitTire sizeRim size and bolt patternPressure, psi
OE275/70R18Rim 18x8 ET57 8x165.159 psi
OE285/60R20Rim 20x8 ET54 8x165.165 psi
Alt245/70R17Rim 17x7.5 ET57 8x165.1–
Alt285/70R17Rim 17x8 ET45 8x165.1–
What these columns mean
OE fitment
The package fitted at the factory for that trim.
Alternative
A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
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 2026
2
Generation
DS/DJ
Other years
All years (2011–2026)

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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