2015 Ford Mustang Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 5×114.3
Center bore: 70.5 mm
Thread: M14×1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
2.3 EcoBoost · 2.3L, I4, Petrol	7.5x17	—	ET38	5.25 in	235/55R17	5x114.3	70.5 mm	M14 x 1.5
2.3 EcoBoost · 2.3L, I4, Petrol	8x18	—	ET40	5.57 in	235/50R18	5x114.3	70.5 mm	M14 x 1.5
2.3 EcoBoost · 2.3L, I4, Petrol	8.5x19	—	ET43	5.94 in	255/40R19	5x114.3	70.5 mm	M14 x 1.5
2.3 EcoBoost · 2.3L, I4, Petrol	9x19	—	ET45	6.27 in	255/40R19	5x114.3	70.5 mm	M14 x 1.5
2.3 EcoBoost · 2.3L, I4, Petrol	9x20	—	ET43	6.19 in	265/35R20	5x114.3	70.5 mm	M14 x 1.5
3.7Ti · 3.7L, V6, Petrol	7.5x17	—	ET38	5.25 in	235/55R17	5x114.3	70.5 mm	M14 x 1.5
3.7Ti · 3.7L, V6, Petrol	8x18	—	ET40	5.57 in	235/50R18	5x114.3	70.5 mm	M14 x 1.5
3.7Ti · 3.7L, V6, Petrol	8.5x19	—	ET43	5.94 in	255/40R19	5x114.3	70.5 mm	M14 x 1.5
3.7Ti · 3.7L, V6, Petrol	9x19	—	ET45	6.27 in	255/40R19	5x114.3	70.5 mm	M14 x 1.5
3.7Ti · 3.7L, V6, Petrol	9x20	—	ET43	6.19 in	265/35R20	5x114.3	70.5 mm	M14 x 1.5
5.0Ti · 5.0L, V8, Petrol	8x19	9x19	ET30 / ET50	5.18 in	245/40R19 / 235/50R19	5x114.3	70.5 mm	M14 x 1.5
5.0Ti · 5.0L, V8, Petrol	9x19	9x19	ET33 / ET50	5.80 in	245/40R19 / 235/50R19	5x114.3	70.5 mm	M14 x 1.5
5.0Ti · 5.0L, V8, Petrol	8x19	9x19	ET53 / ET50	6.09 in	255/45R19 / 235/50R19	5x114.3	70.5 mm	M14 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2015 Ford Mustang 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:

20-inch — 25 documented builds
21-inch — 3 documented builds
22-inch — 1 documented build

29 documented builds.

Diameter

Staggered · 20×9.5 ET35 / 20×10.5 ET45

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE FlowForm FF01

Front: 20×9.5 ET35 · 265/30R20
Rear: 20×10.5 ET45 · 285/35R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 14.3 mm farther toward fender (more outward poke)
Inner edge 1.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

Staggered · 20×10 ET30 / 20×11 ET48

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VPS-302

Front: 20×10 ET30 · 275/35R20
Rear: 20×11 ET48 · 315/35R20

Compared with OEM

Compared with the 20×9 ET43 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

Staggered · 20×9 ET20 / 20×10.5 ET45

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CVT

Front: 20×9 ET20 · 245/35R20
Rear: 20×10.5 ET45 · 285/30R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 23 mm farther toward fender (more outward poke)
Inner edge 23 mm farther from suspension (more inner clearance)

View full build on Modified1

Staggered · 20×? ET40 / Rear unknown

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Milan - M134

Front: 20×? ET40 · 275/30R20
Rear: —

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×10 ET40 / 20×11 ET40

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Vorsteiner V-FF 105

Front: 20×10 ET40 · 275/35R20
Rear: 20×11 ET40 · 315/35R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 15.7 mm farther toward fender (more outward poke)
Inner edge 9.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 20×? ET40 / Rear unknown

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Milan - M134

Front: 20×? ET40 · 275/30R20
Rear: —

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×9 / 20×10

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Rennen CSL 4

Front: 20×9 · 255/35R20
Rear: 20×10 · 275/35R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×9 / 20×10

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Rennen CSL 4

Front: 20×9 · 245/35R20
Rear: 20×10 · 275/30R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×9.5 / 20×10.5

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VFS-1

Front: 20×9.5 · 275/35R20
Rear: 20×10.5 · 315/35R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×10 / 20×11

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE FlowForm FF15

Front: 20×10 · 285/35R20
Rear: 20×11 · 315/30R20

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 21×10 / 21×12

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV.1 Fisker Rocket MV2

Front: 21×10
Rear: 21×12

Compared with OEM

Compared with the 20×9 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×9.5 / 20×10.5

Documented on a 2015 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: HRE FlowForm FF01

Front: 20×9.5 · 265/35R20
Rear: 20×10.5 · 305/30R20

Compared with OEM

Compared with the 20×9 ET43 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 2015 Ford Mustang

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.