2015 Kia Optima Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 5×114.3
Center bore: 67.1 mm
Thread: M12×1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.0 T-GDi · I4, Petrol	6.5x17	7.5x18	ET44 / ET46	4.98 in	215/55R17 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
2.4i · I4, Petrol	6.5x16	—	ET41	4.86 in	205/65R16	5x114.3	67.1 mm	M12 x 1.5
2.4i · I4, Petrol	6.5x17	—	ET44	4.98 in	215/55R17	5x114.3	67.1 mm	M12 x 1.5
2.4i · I4, Petrol	7.5x16	—	ET36	5.17 in	225/55R16	5x114.3	67.1 mm	M12 x 1.5
2.4i · I4, Petrol	7.5x18	—	ET34	5.09 in	235/45R18	5x114.3	67.1 mm	M12 x 1.5
2.4i · I4, Petrol	7x18	—	ET46	5.31 in	205/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	6.5x16	7.5x18	ET41 / ET46	4.86 in	205/65R16 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	6.5x17	7.5x18	ET44 / ET46	4.98 in	215/55R17 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	7.5x16	7.5x18	ET34 / ET46	5.09 in	225/55R16 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	5.5x15	7.5x18	ET53 / ET46	4.84 in	195/60R15 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	6x17	7.5x18	ET60 / ET46	5.36 in	195/65R17 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	8.5x16	7.5x18	ET48 / ET46	6.14 in	195/45R16 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.7 CRDi · D4FD-L, I4, Diesel	8.5x17	7.5x18	ET63 / ET46	6.73 in	235/55R17 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
2.0 T-GDi · 2.0L, G4KH, I4, Petrol	6.5x19	—	ET51	5.26 in	225/45R19	5x114.3	67.1 mm	M12 x 1.5
2.0 T-GDi · 2.0L, G4KH, I4, Petrol	7x18	—	ET63	5.98 in	215/55R18	5x114.3	67.1 mm	M12 x 1.5
2.0 T-GDi · 2.0L, G4KH, I4, Petrol	8x18	—	ET45	5.77 in	255/40R18	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	5.5x16	5.5x16	ET54 / ET36	4.88 in	195/45R16 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	6.5x19	5.5x16	ET41 / ET36	4.86 in	205/35R19 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	5.5x17	5.5x16	ET31 / ET36	3.97 in	195/75R17 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	6x17	5.5x16	ET34 / ET36	4.34 in	235/55R17 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	8.5x17	5.5x16	ET36	5.67 in	215/55R17 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	6.5x15	5.5x16	ET46 / ET36	5.06 in	215/55R15 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.0i · I4, Hybrid	5.5x18	5.5x16	ET39 / ET36	4.29 in	215/45R18 / 205/75R16	5x114.3	67.1 mm	M12 x 1.5
2.4i · 2.4L, G4KJ, I4, Petrol	6x17	—	ET41	4.61 in	225/55R17	5x114.3	67.1 mm	M12 x 1.5
2.4i · 2.4L, G4KJ, I4, Petrol	7.5x16	—	ET44	5.48 in	205/45R16	5x114.3	67.1 mm	M12 x 1.5
2.4i · 2.4L, G4KJ, I4, Petrol	8x17	—	ET41	5.61 in	215/55R17	5x114.3	67.1 mm	M12 x 1.5
2.0 MPi · G4ND, I4, Petrol	7.5x17	—	ET43	5.44 in	225/60R17	5x114.3	67.1 mm	M12 x 1.5
2.0 MPi · G4ND, I4, Petrol	7.5x16	—	ET48	5.64 in	235/65R16	5x114.3	67.1 mm	M12 x 1.5
2.0 MPi · G4ND, I4, Petrol	7x16	—	ET40	5.07 in	235/65R16	5x114.3	67.1 mm	M12 x 1.5
2.0 MPi · G4ND, I4, Petrol	6.5x17	—	ET40	4.82 in	215/60R17	5x114.3	67.1 mm	M12 x 1.5
2.0 MPi · G4ND, I4, Petrol	7x17	—	ET58	5.78 in	215/55R17	5x114.3	67.1 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2015 Kia Optima 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:

18-inch — 2 documented builds
19-inch — 2 documented builds
20-inch — 2 documented builds

6 documented builds.

DiameterLayout

Staggered · 18×8 ET34 / 18×9 ET34

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Wheel: JNC 005

Front: 18×8 ET34 · 225/45R18
Rear: 18×9 ET34 · 245/45R18

Compared with OEM

Compared with the 18×5.5 ET39 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 36.8 mm farther toward fender (more outward poke)
Inner edge 26.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

19×9.5 ET22

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Compared with OEM

Compared with the 19×6.5 ET51 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 67.1 mm farther toward fender (more outward poke)
Inner edge 9.1 mm closer to suspension (less inner clearance)
Width +3" vs OEM

View full build on Modified1

Staggered · 20×8.5 ET38 / Rear unknown

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Wheel: Mach M7

Front: 20×8.5 ET38 · 225/35R20
Rear: —

Compared with OEM

Compared with the 19×6.5 ET51 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 38.4 mm farther toward fender (more outward poke)
Inner edge 12.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 18×8 ET40 / Rear unknown

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Wheel: American Racing AR383

Front: 18×8 ET40 · 235/45R18
Rear: —

Compared with OEM

Compared with the 18×5.5 ET39 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 30.8 mm farther toward fender (more outward poke)
Inner edge 32.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 19×8.5 / Rear unknown

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Wheel: STR 607

Front: 19×8.5 · 245/35R19
Rear: —

Compared with OEM

Compared with the 19×6.5 ET51 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2015 Kia Optima build — observed custom fitment, not a universal fit guarantee.

Wheel: Gianelle Puerto

Front: 20×?
Rear: —

Compared with OEM

Compared with the 19×6.5 ET51 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Compare your own setup

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

OEM baseline

Open full fitment calculator

More specs for the 2015 Kia Optima

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.