2012 Mazda MAZDASPEED3 Wheel Offset

Quick specs

Wheel size: 7.5x18 · 7.5x19 · 8x19
Offset: ET53 · ET52 · ET48
Backspacing: 5.84 in · 5.80 in · 5.89 in
Bolt pattern: 5×114.3
Center bore: 67.1 mm
Thread: M12×1.5
Tire size: 225/40R18 · 225/35R19 · 235/35R19

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.3T · 2.3L, L3, I4, Petrol	7.5x18	ET53	5.84 in	225/40R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, L3, I4, Petrol	7.5x19	ET52	5.80 in	225/35R19	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, L3, I4, Petrol	8x19	ET48	5.89 in	235/35R19	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	7.5x19	ET52	5.80 in	225/35R19	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	7.5x18	ET53	5.84 in	225/40R18	5x114.3	67.1 mm	M12 x 1.5
2.3T · 2.3L, I4, Petrol	7.5x19	ET52	5.80 in	225/35R19	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 2012 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 — 4 documented builds

4 documented builds.

2012 Mazda MAZDASPEED3 custom wheel setup

Staggered · 18×8.5 ET40 / 18×8.5 ET35

Documented on a 2012 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Front: 18×8.5 ET40
Rear: 18×8.5 ET35

Compared with OEM

Compared with the 18×7.5 ET53 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 25.7 mm farther toward fender (more outward poke)
Inner edge 0.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

18×8.5 ET45

Documented on a 2012 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Tires: 235/40R18

Compared with OEM

Compared with the 18×7.5 ET53 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 20.7 mm farther toward fender (more outward poke)
Inner edge 4.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET48 / Rear unknown

Documented on a 2012 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 18×7.5 ET53 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 · 18×9.5 ET30 / Rear unknown

Documented on a 2012 Mazda MAZDASPEED3 build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota P45r

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

Compared with OEM

Compared with the 18×7.5 ET53 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 48.4 mm farther toward fender (more outward poke)
Inner edge 2.4 mm closer to suspension (less inner clearance)
Width +2" 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 2012 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.