2010 Scion tC Wheel Offset

ET45 · ET42 · ET38

Quick specs

OEM offset: ET45 · ET42 · ET38
Wheel size: 7x17 · 6.5x16 · 7.5x18 · 8x19
Backspacing: 5.27 in · 5.02 in · 5.40 in · 5.50 in
Bolt pattern: 5×100
Center bore: 54.1 mm
Tire size: 215/45R17 · 205/55R16 · 225/40R18 · 225/35R19

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.4i · 2.4L, 2AZ-FE, I4, Petrol	7x17	ET45	5.27 in	215/45R17	5x100	54.1 mm	M12 x 1.5
2.4i · 2.4L, 2AZ-FE, I4, Petrol	6.5x16	ET45	5.02 in	205/55R16	5x100	54.1 mm	M12 x 1.5
2.4i · 2.4L, 2AZ-FE, I4, Petrol	7.5x18	ET42	5.40 in	225/40R18	5x100	54.1 mm	M12 x 1.5
2.4i TRD · 2.4L, 2AZ-FE, I4, Petrol	7.5x18	ET42	5.40 in	225/40R18	5x100	54.1 mm	M12 x 1.5
2.4i TRD · 2.4L, 2AZ-FE, I4, Petrol	7x17	ET45	5.27 in	215/45R17	5x100	54.1 mm	M12 x 1.5
2.4i TRD · 2.4L, 2AZ-FE, I4, Petrol	8x19	ET38	5.50 in	225/35R19	5x100	54.1 mm	M12 x 1.5

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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 2010 Scion tC 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 — 13 documented builds
17-inch — 6 documented builds

19 documented builds.

DiameterLayout

Staggered · 18×9.5 ET38 / Rear unknown

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Gram Lights 57DR

Front: 18×9.5 ET38 · 245/40R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 29.4 mm farther toward fender (more outward poke)
Inner edge 21.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

17×9 ET14

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Tires: 205/45R17

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 56.4 mm farther toward fender (more outward poke)
Inner edge 5.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 18×10 ET26 / 18×10 ET15

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Work Vs-xx

Front: 18×10 ET26 · 225/35R18
Rear: 18×10 ET15

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 47.8 mm farther toward fender (more outward poke)
Inner edge 15.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 18×10 ET23 / Rear unknown

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Work VS-XX (XG)

Front: 18×10 ET23 · 225/35R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 50.8 mm farther toward fender (more outward poke)
Inner edge 12.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET3 / 18×9.5 ET3

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Front: 18×8.5 ET3 · 215/35R18
Rear: 18×9.5 ET3

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 51.7 mm farther toward fender (more outward poke)
Inner edge 26.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 17×9 ET30 / Rear unknown

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota Torgues

Front: 17×9 ET30
Rear: —

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 40.4 mm farther toward fender (more outward poke)
Inner edge 10.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 17×8.5 ET35 / 17×9 ET28

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: DR 31

Front: 17×8.5 ET35
Rear: 17×9 ET28

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 29 mm farther toward fender (more outward poke)
Inner edge 9.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET35 / 18×8.5 ET30

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Stern ST-1

Front: 18×8.5 ET35 · 225/40R18
Rear: 18×8.5 ET30

Compared with OEM

Compared with the 18×7.5 ET42 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 · 18×9.5 ET30 / Rear unknown

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Linea Corse LeMan

Front: 18×9.5 ET30 · 225/40R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 37.4 mm farther toward fender (more outward poke)
Inner edge 13.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 17×9 ET14 / 17×9 ET0

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Front: 17×9 ET14
Rear: 17×9 ET0

Compared with OEM

Compared with the 17×7 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 56.4 mm farther toward fender (more outward poke)
Inner edge 5.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 18×9.5 ET38 / Rear unknown

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota MXR

Front: 18×9.5 ET38 · 215/40R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 29.4 mm farther toward fender (more outward poke)
Inner edge 21.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

18×9.5 ET22

Documented on a 2010 Scion tC build — observed custom fitment, not a universal fit guarantee.

Compared with OEM

Compared with the 18×7.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 45.4 mm farther toward fender (more outward poke)
Inner edge 5.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

More specs for the 2010 Scion tC

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.