2005 Ford Mustang Wheel Offset

Quick specs

Wheel size
7x16 · 7.5x16 · 8x17 · 8x18
Offset
ET39 · ET40 · ET45
Backspacing
5.04 in · 5.32 in · 5.77 in
Bolt pattern
5×114.3
Center bore
70.5 mm
Thread
M12×1.75, 1/2"-20 UNF
Tire size
215/65R16 · 235/60R16 · 235/55R17 · 235/50R18

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
4.0i · 4.0L, V6, Petrol7x16ET395.04 in215/65R165x114.370.5 mm1/2" - 20 UNF
4.0i · 4.0L, V6, Petrol7.5x16ET405.32 in235/60R165x114.370.5 mm1/2" - 20 UNF
4.0i · 4.0L, V6, Petrol8x17ET455.77 in235/55R175x114.370.5 mm1/2" - 20 UNF
4.6i · 4.6L, V8, Petrol8x178x18ET455.77 in235/55R17 / 235/50R185x114.370.5 mm1/2" - 20 UNF
4.6i · 4.6L, V8, Petrol8x188x18ET455.77 in235/50R185x114.370.5 mm1/2" - 20 UNF

Wheels and hardware

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Lug hardware

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  • White Knight 1304-1S-20AM Chrome 1/2"-20 Open-End Bulge Acorn Lug Nut, 20 Pack

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

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  • NPAUTO Wheel Lug Nuts 1/2 x 20 Black, Replacement for Ford Mustang, F-150, Explorer, Commander, Jeep Wrangler, Liberty, Grand Cherokee, Bulge Acorn Spline 1.38" Tall, 1 Lug Nut Key, Pack of 20+1Pc

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

    Check price on Amazon
  • White Knight 1704S-20AM Chrome 1/2"-20 Bulge Acorn Lug Nut, Pack

    Confirmed vehicle catalog match. Confirm seat type for your wheel.

    Check price on Amazon

Wheel locks

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Real-World 2005 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 — 2 documented builds

2 documented builds.

2005 Ford Mustang custom wheel setup

Staggered · 20×9 / 20×10.5

Documented on a 2005 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: STR 607

Front
20×9 · 245/35R20
Rear
20×10.5 · 275/30R20
Compared with OEM

Compared with the 18×8 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
2005 Ford Mustang custom wheel setup

Staggered · 20×9 / 20×10.5

Documented on a 2005 Ford Mustang build — observed custom fitment, not a universal fit guarantee.

Wheel: STR 607

Front
20×9 · 245/35R20
Rear
20×10.5 · 275/30R20
Compared with OEM

Compared with the 18×8 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM

Compare your own setup

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

Open full fitment calculator

More specs for the 2005 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.