2007 Mazda RX-8 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
1.3i AT · 1.3L, R, Petrol	7.5x16	8x18	ET50	5.72 in	225/55R16 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i AT · 1.3L, R, Petrol	7.5x17	8x18	ET50	5.72 in	225/50R17 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i · 1.3L, R, Petrol	8x19	8x18	ET47 / ET50	5.85 in	225/40R19 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i · 1.3L, 13B-MSP, R, Petrol	8x19	8x18	ET47 / ET50	5.85 in	225/40R19 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i · 1.3L, 13B-MSP, R, Petrol	7.5x18	8x18	ET60 / ET50	6.11 in	205/55R18 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i · 1.3L, 13B-MSP, R, Petrol	8.5x18	8x18	ET37 / ET50	5.71 in	235/40R18 / 225/45R18	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	7x17	8x17	ET55 / ET50	5.67 in	225/45R17 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	8x16	8x17	ET60 / ET50	6.36 in	225/40R16 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	9x19	8x17	ET45 / ET50	6.27 in	215/35R19 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	9x17	8x17	ET60 / ET50	6.86 in	225/35R17 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	8x19	8x17	ET52 / ET50	6.05 in	205/30R19 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	7.5x19	8x17	ET40 / ET50	5.32 in	205/55R19 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5
1.3i (ABA-SE3P) · 1.3L, R, Petrol	7.5x20	8x17	ET57 / ET50	5.99 in	235/40R20 / 225/30R17	5x114.3	67.1 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2007 Mazda RX-8 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 — 17 documented builds
19-inch — 6 documented builds
17-inch — 2 documented builds

25 documented builds.

DiameterLayout

Staggered · 18×8.5 ET38 / 18×9.5 ET38

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Work Emotion CR Kai

Front: 18×8.5 ET38 · 255/35R18
Rear: 18×9.5 ET38

Compared with OEM

Compared with the 18×7.5 ET60 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 · 18×9 ET27 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota Force Drift

Front: 18×9 ET27 · 235/40R18
Rear: — · 265/35R18

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 52 mm farther toward fender (more outward poke)
Inner edge 13.9 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET35 / 18×9.5 ET35

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: XXR 502

Front: 18×8.5 ET35 · 255/35R18
Rear: 18×9.5 ET35 · 275/35R18

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 37.7 mm farther toward fender (more outward poke)
Inner edge 12.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×10 ET35 / 18×10 ET25

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Front: 18×10 ET35 · 265/35R18
Rear: 18×10 ET25

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 56.8 mm farther toward fender (more outward poke)
Inner edge 6.8 mm closer to suspension (less inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 19×8.5 ET38 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Volk TE37

Front: 19×8.5 ET38 · 245/35R19
Rear: —

Compared with OEM

Compared with the 19×7.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 14.7 mm farther toward fender (more outward poke)
Inner edge 10.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 19×8.5 ET29 / 19×9.5 ET34

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Volk TE37

Front: 19×8.5 ET29
Rear: 19×9.5 ET34

Compared with OEM

Compared with the 19×7.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 23.7 mm farther toward fender (more outward poke)
Inner edge 1.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET26 / 18×9.5 ET26

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Inovit

Front: 18×8.5 ET26
Rear: 18×9.5 ET26

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 46.7 mm farther toward fender (more outward poke)
Inner edge 21.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET35 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: XXR 009

Front: 18×8.5 ET35 · 245/40R18
Rear: —

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 37.7 mm farther toward fender (more outward poke)
Inner edge 12.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×8.5 ET50 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Enkei Raijin

Front: 18×8.5 ET50
Rear: —

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 22.7 mm farther toward fender (more outward poke)
Inner edge 2.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 19×8.5 ET40 / 19×9.5 ET42

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: SF Challenge

Front: 19×8.5 ET40 · 245/35R19
Rear: 19×9.5 ET42 · 275/30R19

Compared with OEM

Compared with the 19×7.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 12.7 mm farther toward fender (more outward poke)
Inner edge 12.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 18×10 ET27 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Forgestar F14

Front: 18×10 ET27
Rear: —

Compared with OEM

Compared with the 18×7.5 ET60 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 64.8 mm farther toward fender (more outward poke)
Inner edge 1.3 mm farther from suspension (more inner clearance)
Width +2.5" vs OEM

View full build on Modified1

Staggered · 17×8 ET45 / Rear unknown

Documented on a 2007 Mazda RX-8 build — observed custom fitment, not a universal fit guarantee.

Wheel: Motegi Trak Lite

Front: 17×8 ET45
Rear: —

Compared with OEM

Compared with the 17×7 ET55 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 22.7 mm farther toward fender (more outward poke)
Inner edge 2.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Documented diameter × width pages

Aftermarket wheel sizes with enough documented Modified1 builds for this model year. Evidence pages — not fit guarantees.

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 2007 Mazda RX-8

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.