2013 Ford Mustang Wheel Offset

ET40 · ET50 · ET44 · ET41 · ET42

Quick specs

OEM offset: ET40 · ET50 · ET44 · ET41 · ET42
Wheel size: 7x17 · 8.5x19 · 8x18 · 9x19
Backspacing: 5.07 in · 6.22 in · 5.73 in · 5.61 in · 6.15 in
Bolt pattern: 5×114.3
Center bore: 70.5 mm
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
3.7Ti · 3.7L, V6, Petrol	7x17	—	ET40	5.07 in	215/65R17	5x114.3	70.5 mm	1/2" - 20 UNF
3.7Ti · 3.7L, V6, Petrol	7x17	—	ET40	5.07 in	225/60R17	5x114.3	70.5 mm	1/2" - 20 UNF
3.7Ti · 3.7L, V6, Petrol	8.5x19	—	ET50	6.22 in	255/40R19	5x114.3	70.5 mm	1/2" - 20 UNF
3.7Ti · 3.7L, V6, Petrol	8x18	9x18	ET44 / ET51	5.73 in	235/50R18	5x114.3	70.5 mm	1/2" - 20 UNF
5.0Ti GT · 5.0L, V8, Petrol	8x18	8.5x19	ET44 / ET50	5.73 in	235/50R18 / 245/45R19	5x114.3	70.5 mm	1/2" - 20 UNF
5.0Ti GT · 5.0L, V8, Petrol	8x18	8.5x19	ET41 / ET50	5.61 in	235/50R18 / 245/45R19	5x114.3	70.5 mm	1/2" - 20 UNF
5.0Ti GT · 5.0L, V8, Petrol	9x19	8.5x19	ET42 / ET50	6.15 in	255/40R19 / 245/45R19	5x114.3	70.5 mm	1/2" - 20 UNF

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

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Wheels and hardware for this vehicle

Lug hardware

Wheel locks

Real-World 2013 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 — 12 documented builds
19-inch — 7 documented builds
18-inch — 3 documented builds
17-inch — 2 documented builds

25 documented builds.

DiameterLayout

Staggered · 20×10.5 ET30 / Rear unknown

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: XXR 521

Front: 20×10.5 ET30 · 275/35R20
Rear: —

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 45.4 mm farther toward fender (more outward poke)
Inner edge 5.4 mm closer to suspension (less inner clearance)
Width +2" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 19×9.5 ET40 / Rear unknown

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Konig Oversteer

Front: 19×9.5 ET40 · 285/35R19
Rear: —

Compared with OEM

Compared with the 19×8.5 ET50 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 · 19×9.5 ET30 / 19×9.5 ET27

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Stance SC-5

Front: 19×9.5 ET30 · 255/45R19
Rear: 19×9.5 ET27

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 32.7 mm farther toward fender (more outward poke)
Inner edge 7.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 20×9 ET32 / 20×10.5 ET42

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen CV5

Front: 20×9 ET32
Rear: 20×10.5 ET42

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 24.4 mm farther toward fender (more outward poke)
Inner edge 11.6 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×8.5 ET20 / 20×10 ET40

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Nurburgring

Front: 20×8.5 ET20
Rear: 20×10 ET40

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 30 mm farther toward fender (more outward poke)
Inner edge 30 mm farther from suspension (more inner clearance)
Diameter +1" vs OEM

View full build on Modified1

Staggered · 20×8.5 ET35 / 20×10 ET40

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Niche Milan - M134

Front: 20×8.5 ET35 · 255/35R20
Rear: 20×10 ET40 · 275/35R20

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 15 mm farther toward fender (more outward poke)
Inner edge 15 mm farther from suspension (more inner clearance)
Diameter +1" vs OEM

View full build on Modified1

Staggered · 19×8.5 / 19×9.5

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: AMR

Front: 19×8.5 · 245/45R19
Rear: 19×9.5 · 275/40R19

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×8.5 / 20×10

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Foose DF5

Front: 20×8.5 · 255/35R20
Rear: 20×10 · 275/35R20

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 19×9.5 / Rear unknown

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: SVE Drifts

Front: 19×9.5
Rear: —

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 19×? / Rear unknown

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Forgestar CF10

Front: 19×? · 255/40R19
Rear: — · 285/35R19

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 17×4.5 / 15×10

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Front: 17×4.5
Rear: 15×10

Compared with OEM

Compared with the 17×7 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 19×9.5 / 19×11

Documented on a 2013 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: Forgestar CF5V

Front: 19×9.5 · 255/40R19
Rear: 19×11 · 295/35R19

Compared with OEM

Compared with the 19×8.5 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

More specs for the 2013 Ford Mustang

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.