2008 Scion tC Wheel Offset

Quick specs

Wheel size: 7x17 · 6.5x16 · 7.5x18 · 8x19
Offset: ET45 · ET42 · ET38
Backspacing: 5.27 in · 5.02 in · 5.40 in · 5.50 in
Bolt pattern: 5×100
Center bore: 54.1 mm
Thread: M12×1.5
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

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2008 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:

17-inch — 4 documented builds
18-inch — 3 documented builds
16-inch — 1 documented build

8 documented builds.

DiameterLayout

Staggered · 17×9 ET17 / Rear unknown

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Drag DR-31

Front: 17×9 ET17 · 215/40R17
Rear: — · 215/45R17

Compared with OEM

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

Outer edge 53.4 mm farther toward fender (more outward poke)
Inner edge 2.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 18×10 ET13 / Rear unknown

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Work Emotion XD-9

Front: 18×10 ET13 · 225/40R18
Rear: —

Compared with OEM

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

Outer edge 60.8 mm farther toward fender (more outward poke)
Inner edge 2.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 18×9.5 ET35 / 18×9.5 ET30

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota Torques

Front: 18×9.5 ET35 · 245/35R18
Rear: 18×9.5 ET30

Compared with OEM

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

Outer edge 32.4 mm farther toward fender (more outward poke)
Inner edge 18.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 16×7 ET30 / 16×8 ET0

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Front: 16×7 ET30
Rear: 16×8 ET0

Compared with OEM

Compared with the 16×6.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 21.3 mm farther toward fender (more outward poke)
Inner edge 8.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

Staggered · 17×9 ET23 / 17×9 ET3

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Front: 17×9 ET23
Rear: 17×9 ET3

Compared with OEM

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

Outer edge 47.4 mm farther toward fender (more outward poke)
Inner edge 3.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM

View full build on Modified1

17×8.5

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Tires: 215/50R17

Compared with OEM

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

View full build on Modified1

Staggered · 17×9.5 / 17×10.5

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE 546R

Front: 17×9.5 · 275/40R17
Rear: 17×10.5 · 295/40R17

Compared with OEM

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

View full build on Modified1

18×8

Documented on a 2008 Scion tC build — observed custom fitment, not a universal fit guarantee.

Tires: 225/40R18

Compared with OEM

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

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 2008 Scion tC

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.