Spec Sizes

2018 Genesis G90 Wheel Size & Fitment Specs

Confirmed OEM mounting and wheel configurations for this model year. Multiple setups are listed separately — nothing is collapsed to a single arbitrary size.

  • Bolt pattern5x114.3
  • Center bore67.1 mm
  • Thread sizeM12 x 1.5
  • FastenerLug nuts

Open wheel fitment calculator → · Tire sizes →

3.3 T-GDi

PositionRimOffsetBackspacingTireBore
Front / all8.5x18ET355.63"235/60R1867.1 mm
Rear8.5x19ET325.51"245/45R1967.1 mm
Rear8.5x20ET325.51"245/40R2067.1 mm
Rear8x18ET405.57"245/50R1867.1 mm
Rear8.5x19ET325.51"245/45R1967.1 mm
Rear7.5x18ET375.21"245/45R1867.1 mm

Staggered / rear-specific sizes are listed separately from front.

5.0 GDi

PositionRimOffsetBackspacingTireBore
Rear8.5x19ET325.51"245/45R1967.1 mm
Rear9x20ET355.88"245/40R2067.1 mm
Rear9.5x18ET275.81"265/55R1867.1 mm
Rear10x21ET356.38"225/50R2167.1 mm
Rear7.5x18ET224.62"255/45R1867.1 mm
Rear9x20ET305.68"245/30R2067.1 mm

Staggered / rear-specific sizes are listed separately from front.

3.8 GDi

PositionRimOffsetBackspacingTireBore
Front / all8x18ET405.57"245/40R1867.1 mm
Front / all7x19ET354.88"235/60R1967.1 mm
Rear9x19ET275.56"235/35R1967.1 mm
Rear9x18ET275.56"225/55R1867.1 mm

Staggered / rear-specific sizes are listed separately from front.

Vehicles with potentially interchangeable wheels

Filtered by exact bolt pattern and physically compatible center bore — not a full fitment guarantee.

Hardware matching known specs

  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    Thread matches catalog hardware

    M12 x 1.5 · lock

    View on Amazon

  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    Thread matches catalog hardware

    M12 x 1.5 · lock

    View on Amazon

  • White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count

    Thread matches catalog hardware

    M12 x 1.5

    View on Amazon