2009 Hyundai Genesis Wheel Offset

ET31 · ET33 · ET39

Quick specs

OEM offset: ET31 · ET33 · ET39
Wheel size: 6.5x17 · 7x17 · 7.5x18 · 8x18 · 8x19
Backspacing: 4.47 in · 4.72 in · 5.05 in · 5.29 in · 5.30 in · 5.54 in
Bolt pattern: 5×114.3
Center bore: 67.1 mm, 66.7 mm
Tire size: 225/55R17 · 235/50R18 · 235/45R19

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
3.8 MPi · 3.8L, G6DA, V6, Petrol	6.5x17	—	ET31	4.47 in	225/55R17	5x114.3	66.7 mm	M12 x 1.5
3.8 MPi · 3.8L, G6DA, V6, Petrol	7x17	—	ET31	4.72 in	225/55R17	5x114.3	66.7 mm	M12 x 1.5
3.8 MPi · 3.8L, G6DA, V6, Petrol	7.5x18	—	ET33	5.05 in	235/50R18	5x114.3	66.7 mm	M12 x 1.5
3.8 MPi · 3.8L, G6DA, V6, Petrol	7.5x18	—	ET39	5.29 in	235/50R18	5x114.3	66.7 mm	M12 x 1.5
3.8 MPi · 3.8L, G6DA, V6, Petrol	8x18	9x18	ET33 / ET34	5.30 in	235/50R18	5x114.3	66.7 mm	M12 x 1.5
4.6 MPi · 4.6L, G8BA, V8, Petrol	7.5x18	8x19	ET39	5.29 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
4.6 MPi · 4.6L, G8BA, V8, Petrol	7x17	8x19	ET31 / ET39	4.72 in	225/55R17 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
4.6 MPi · 4.6L, G8BA, V8, Petrol	7.5x18	8x19	ET33 / ET39	5.05 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
4.6 MPi · 4.6L, G8BA, V8, Petrol	8x18	8x19	ET33 / ET39	5.30 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
3.3 MPi · 3.3L, G6DB, V6, Petrol	6.5x17	8x19	ET31 / ET39	4.47 in	225/55R17 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
3.3 MPi · 3.3L, G6DB, V6, Petrol	7x17	8x19	ET31 / ET39	4.72 in	225/55R17 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
3.3 MPi · 3.3L, G6DB, V6, Petrol	7.5x18	8x19	ET39	5.29 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
3.3 MPi · 3.3L, G6DB, V6, Petrol	7.5x18	8x19	ET33 / ET39	5.05 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5
3.3 MPi · 3.3L, G6DB, V6, Petrol	8x18	8x19	ET33 / ET39	5.30 in	235/50R18 / 235/45R19	5x114.3	66.7 mm	M12 x 1.5

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

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Wheels and hardware for this vehicle

Lug hardware

Wheel locks

Real-World 2009 Hyundai Genesis Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

20-inch — 4 documented builds
18-inch — 3 documented builds
19-inch — 1 documented build

8 documented builds.

Diameter

Staggered · 20×8.5 ET24 / 20×10 ET24

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: MSR 093

Front: 20×8.5 ET24 · 245/35R20
Rear: 20×10 ET24 · 285/30R20

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 21.7 mm farther toward fender (more outward poke)
Inner edge 3.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM
Diameter +2" vs OEM

View full build on Modified1

Staggered · 19×9 ET18 / 19×10 ET22

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei RPF-1

Front: 19×9 ET18 · 235/35R19
Rear: 19×10 ET22 · 245/35R19

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 34 mm farther toward fender (more outward poke)
Inner edge 4.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET22 / 18×9.5 ET22

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Front: 18×8.5 ET22
Rear: 18×9.5 ET22

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 23.7 mm farther toward fender (more outward poke)
Inner edge 1.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET26 / 18×10 ET30

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Forgestar F14

Front: 18×8.5 ET26
Rear: 18×10 ET30

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 19.7 mm farther toward fender (more outward poke)
Inner edge 5.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8 ET7 / 18×9 ET7

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Work EWINGS

Front: 18×8 ET7
Rear: 18×9 ET7

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 32.3 mm farther toward fender (more outward poke)
Inner edge 19.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei LF-10

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Lexani LX-10

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2009 Hyundai Genesis build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei LF-10

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×7.5 ET33 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2009 Hyundai Genesis

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.