2015 Cadillac ATS Wheel Offset

Quick specs

Wheel size
8x17 · 8x18 · 8x19
Offset
ET42 · ET32
Backspacing
5.65 in · 5.26 in
Bolt pattern
5×115
Center bore
70.3 mm
Thread
M12×1.5
Tire size
225/45R17 · 225/40R18 · 225/35R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.0Ti · 2.0L, LTG B20NHT, I4, Petrol8x178x18ET425.65 in225/45R17 / 225/40R185x11570.3 mmM12 x 1.5
2.0Ti · 2.0L, LTG B20NHT, I4, Petrol8x188x18ET425.65 in225/40R185x11570.3 mmM12 x 1.5
2.0Ti AWD · 2.0L, LTG B20NHT, I4, Petrol8x178x18ET425.65 in225/45R17 / 225/40R185x11570.3 mmM12 x 1.5
2.0Ti AWD · 2.0L, LTG B20NHT, I4, Petrol8x188x18ET425.65 in225/40R185x11570.3 mmM12 x 1.5
2.5i · 2.5L, LCV, I4, Petrol8x178x18ET425.65 in225/45R17 / 225/40R185x11570.3 mmM12 x 1.5
2.5i · 2.5L, LCV, I4, Petrol8x188x18ET425.65 in225/40R185x11570.3 mmM12 x 1.5
3.6i · 3.6L, LFX, V6, Petrol8x188x18ET425.65 in225/40R185x11570.3 mmM12 x 1.5
3.6i AWD · 3.6L, LFX, V6, Petrol8x188x18ET425.65 in225/40R185x11570.3 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.

    Check price on Amazon
  • 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.

    Check price on Amazon

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 2015 Cadillac ATS 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:

  • 19-inch — 3 documented builds
  • 20-inch — 2 documented builds
  • 18-inch — 1 documented build

6 documented builds.

2015 Cadillac ATS custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Bathurst

Front
20×?
Rear
Compared with OEM

Compared with the 18×8 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
2015 Cadillac ATS custom wheel setup

Staggered · 19×? / Rear unknown

Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

Wheel: Savini BM12

Front
19×?
Rear
Compared with OEM

Compared with the 18×8 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" vs OEM
2015 Cadillac ATS custom wheel setup

Staggered · 19×? / Rear unknown

Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Ascent

Front
19×?
Rear
Compared with OEM

Compared with the 18×8 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" vs OEM
2015 Cadillac ATS custom wheel setup

Staggered · 19×? / Rear unknown

Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Chicane

Front
19×?
Rear
Compared with OEM

Compared with the 18×8 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" vs OEM
2015 Cadillac ATS custom wheel setup

Staggered · 18×? / Rear unknown

Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Chicane

Front
18×?
Rear
Compared with OEM

Compared with the 18×8 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

    2015 Cadillac ATS custom wheel setup

    Staggered · 20×? / Rear unknown

    Documented on a 2015 Cadillac ATS build — observed custom fitment, not a universal fit guarantee.

    Wheel: Status Haze

    Front
    20×?
    Rear
    Compared with OEM

    Compared with the 18×8 ET42 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 2015 Cadillac ATS

    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.