WheelOffset

2016 Cadillac CTS Wheel Offset

ET32 · ET34 · ET42 · ET23

Quick specs

OEM offset
ET32 · ET34 · ET42 · ET23
Wheel size
8.5x17 · 8.5x18 · 8.5x19 · 8x17 · 9.5x19
Backspacing
5.51 in · 5.59 in · 5.65 in · 5.66 in
Bolt pattern
5×120
Center bore
66.9 mm
Tire size
245/45R17 · 245/40R18 · 255/35R19 · 265/35R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.0T · 2.0L, LTG, I4, Petrol8.5x178.5x18ET32 / ET345.51 in245/45R17 / 245/40R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, LTG, I4, Petrol8.5x188.5x18ET32 / ET345.51 in245/40R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, LTG, I4, Petrol8.5x198.5x18ET345.59 in255/35R19 / 245/40R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, LTG, I4, Petrol8.5x178.5x18ET32 / ET345.51 in245/45R17 / 245/40R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, LTG, I4, Petrol8.5x188.5x18ET32 / ET345.51 in245/40R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, LTG, I4, Petrol8.5x198.5x18ET345.59 in255/35R19 / 245/40R185x12066.9 mmM14 x 1.5
2.0Ti · 2.0L, LTG, I4, Petrol8x17—ET425.65 in245/45R175x12066.9 mmM14 x 1.5
2.0Ti · 2.0L, LTG, I4, Petrol8.5x17—ET325.51 in245/45R175x12066.9 mmM14 x 1.5
2.0Ti · 2.0L, LTG, I4, Petrol8.5x18—ET325.51 in245/40R185x12066.9 mmM14 x 1.5
2.0Ti · 2.0L, LTG, I4, Petrol8.5x1910x19ET34 / ET415.59 in255/35R195x12066.9 mmM14 x 1.5
3.6T · 3.6L, LF3, V6, Petrol8.5x198.5x18ET34 / ET325.59 in255/35R19 / 245/40R185x12066.9 mmM14 x 1.5
3.6i · 3.6L, LGX, V6, Petrol8.5x178.5x18ET325.51 in245/45R17 / 245/40R185x12066.9 mmM14 x 1.5
3.6i · 3.6L, LGX, V6, Petrol8.5x188.5x18ET325.51 in245/40R185x12066.9 mmM14 x 1.5
3.6i · 3.6L, LGX, V6, Petrol8.5x198.5x18ET34 / ET325.59 in255/35R19 / 245/40R185x12066.9 mmM14 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.

Open full fitment calculator

Wheels and hardware for this vehicle

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Lug hardware

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  • White Knight 1309-1S-20AM Chrome M14x1.50 Open-End Bulge Acorn Lug Nut, 20 Pack

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

    Check price on Amazon

  • White Knight 1709D-4 Chrome Duplex Bulge Lug Nut for Chevy/Dodge/Chrysler - 4 Piece

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

    Check price on Amazon

  • White Knight 3809L-20AM Chrome M14 x 1.50 Duplex Spline Lug Nut, 20 Pack

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

    Check price on Amazon

Wheel locks

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Real-World 2016 Cadillac CTS 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.

2016 Cadillac CTS custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2016 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: TSW Monaco

Front
20×?
Rear
—
Compared with OEM

Compared with the 19×8.5 ET34 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +1" vs OEM
View full build on Modified1

More specs for the 2016 Cadillac CTS

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.