2008 Mazda MAZDASPEED3 Wheel Offset

Quick specs

Wheel size: 7x18 · 7.5x18 · 8x19
Offset: ET50 · ET53 · ET48
Backspacing: 5.47 in · 5.84 in · 5.89 in · 5.59 in
Bolt pattern: 5×114.3
Center bore: 67.1 mm
Thread: M12×1.5
Tire size: 215/45R18 · 225/40R18 · 235/35R19

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.3T · 2.3L, L3-VDT, I4, Petrol	7x18	ET50	5.47 in	215/45R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, L3-VDT, I4, Petrol	7.5x18	ET53	5.84 in	225/40R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, L3-VDT, I4, Petrol	8x19	ET48	5.89 in	235/35R19	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	7x18	ET50	5.47 in	215/45R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	7.5x18	ET53	5.84 in	225/40R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	8x19	ET48	5.89 in	235/35R19	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	7x18	ET53	5.59 in	215/45R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	7.5x18	ET53	5.84 in	225/40R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	8x19	ET48	5.89 in	235/35R19	5x114.3	67.1 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2008 Mazda MAZDASPEED3 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 — 10 documented builds

10 documented builds.

DiameterLayout

2008 Mazda MAZDASPEED3 custom wheel setup

Staggered · 18×8.5 ET30 / 18×9.5 ET25

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: XXR 522

Front: 18×8.5 ET30 · 215/45R18
Rear: 18×9.5 ET25

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 39 mm farther toward fender (more outward poke)
Inner edge 0.9 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×9.5 ET15 / 18×10.5 ET15

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei RPF1

Front: 18×9.5 ET15
Rear: 18×10.5 ET15

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 66.8 mm farther toward fender (more outward poke)
Inner edge 3.3 mm farther from suspension (more inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 18×8 ET45 / Rear unknown

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei PF01

Front: 18×8 ET45 · 235/40R18
Rear: —

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 17.7 mm farther toward fender (more outward poke)
Inner edge 7.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET37 / 18×9.5 ET37

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Front: 18×8.5 ET37 · 225/35R18
Rear: 18×9.5 ET37 · 235/40R18

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 32 mm farther toward fender (more outward poke)
Inner edge 6.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM

View full build on Modified1

18×8.5 ET48

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 21 mm farther toward fender (more outward poke)
Inner edge 17.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×8 ET28 / 18×9.5 ET35

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Front: 18×8 ET28
Rear: 18×9.5 ET35

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 34.7 mm farther toward fender (more outward poke)
Inner edge 9.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET48 / Rear unknown

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota G-Force

Front: 18×8.5 ET48
Rear: —

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 21 mm farther toward fender (more outward poke)
Inner edge 17.1 mm closer to suspension (less inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET35 / 18×9.5 ET35

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Advan Sa3 Ver.1

Front: 18×8.5 ET35 · 215/40R18
Rear: 18×9.5 ET35

Compared with OEM

Compared with the 18×7 ET50 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

View full build on Modified1

Staggered · 18×8 / Rear unknown

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Tenzo Type M

Front: 18×8 · 215/45R18
Rear: —

Compared with OEM

Compared with the 18×7 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 18×8 / Rear unknown

Documented on a 2008 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Tenzo Type M

Front: 18×8 · 215/45R18
Rear: —

Compared with OEM

Compared with the 18×7 ET50 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 Mazda MAZDASPEED3

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.