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

Explore wheels at Tire Rack

Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
4.0i · 4.0L, V6, Petrol7x16—ET395.04 in215/65R165x114.370.5 mm1/2" - 20 UNF
4.0i · 4.0L, V6, Petrol7.5x16—ET405.32 in235/60R165x114.370.5 mm1/2" - 20 UNF
4.0i · 4.0L, V6, Petrol8x17—ET455.77 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

Lug hardware

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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.

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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.