2011 Acura MDX Wheel Offset

ET45 · ET42 · ET35

Quick specs

OEM offset: ET45 · ET42 · ET35
Wheel size: 8x18 · 8.5x19 · 9x19 · 8.5x20 · 10x20
Backspacing: 5.77 in · 6.02 in · 6.15 in · 6.38 in
Bolt pattern: 5×120
Center bore: 64.1 mm
Tire size: Multiple — see configurations

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
3.7i · J37A, V6, Petrol	8x18	10x20	ET45 / ET35	5.77 in	255/55R18 / 285/40R20	5x120	64.1 mm	M14 x 1.5
3.7i · J37A, V6, Petrol	8.5x19	10x20	ET45 / ET35	6.02 in	255/50R19 / 285/40R20	5x120	64.1 mm	M14 x 1.5
3.7i · J37A, V6, Petrol	9x19	10x20	ET42 / ET35	6.15 in	275/45R19 / 285/40R20	5x120	64.1 mm	M14 x 1.5
3.7i · J37A, V6, Petrol	8.5x20	10x20	ET45 / ET35	6.02 in	255/45R20 / 285/40R20	5x120	64.1 mm	M14 x 1.5

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 2011 Acura MDX 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:

22-inch — 3 documented builds
20-inch — 2 documented builds

5 documented builds.

DiameterLayout

20×9 ET20

Documented on a 2011 Acura MDX build — observed custom fitment, not a universal fit guarantee.

Tires: 275/45R20

Compared with OEM

Compared with the 20×8.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 31.4 mm farther toward fender (more outward poke)
Inner edge 18.6 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

20×8.5 ET35

Documented on a 2011 Acura MDX build — observed custom fitment, not a universal fit guarantee.

Tires: 255/45R20

Compared with OEM

Compared with the 20×8.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 10 mm farther toward fender (more outward poke)
Inner edge 10 mm farther from suspension (more inner clearance)

View full build on Modified1

Staggered · 22×? / Rear unknown

Documented on a 2011 Acura MDX build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Kilis

Front: 22×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

22×?

Documented on a 2011 Acura MDX build — observed custom fitment, not a universal fit guarantee.

Tires: 265/35R22

Compared with OEM

Compared with the 20×8.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 22×? / Rear unknown

Documented on a 2011 Acura MDX build — observed custom fitment, not a universal fit guarantee.

Wheel: Bazo B502

Front: 22×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET45 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2011 Acura MDX

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.