2007 Cadillac XLR Wheel Offset

Quick specs

Wheel size
8.5x19 · 8x19 · 8x20 · 8x18
Offset
ET56 · ET61 · ET55 · ET51
Backspacing
6.45 in · 6.40 in · 6.17 in · 6.01 in
Bolt pattern
5×120.7, 5×120.65
Center bore
70.1 mm, 70.3 mm
Thread
M12×1.5
Tire size
255/40R19 · 235/45R19 · 235/40R20 · 235/50R18

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
4.4i · 4.4L, LC3, V8, Petrol8.5x198x19ET56 / ET616.45 in255/40R19 / 235/45R195x120.6570.3 mmM12 x 1.5
4.6i · 4.6L, LH2, V8, Petrol8x188x18ET516.01 in235/50R185x120.6570.3 mmM12 x 1.5

Wheels and hardware

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Lug hardware

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  • White Knight 1707SBK-20AM Black Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack

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

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  • White Knight 1707S-20AM Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Pack

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

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  • MIKKUPPA M12x1.5 Lug Nuts - Replacement for 2006-2019 Ford Fusion, 2000-2019 Ford Focus, 2001-2019 Ford Escape Aftermarket Wheel - 20pcs Chrome Closed End Lug Nuts

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

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Wheel locks

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  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

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  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

Real-World 2007 Cadillac XLR 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 — 1 documented build

1 documented build.

2007 Cadillac XLR custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2007 Cadillac XLR build — observed custom fitment, not a universal fit guarantee.

Wheel: MKW

Front
20×?
Rear
Compared with OEM

Compared with the 19×8.5 ET56 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" 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 2007 Cadillac XLR

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.