2012 Cadillac CTS Wheel Offset

ET48 · ET45 · ET40

Quick specs

OEM offset: ET48 · ET45 · ET40
Wheel size: 8x17 · 8x18 · 8.5x19 · 9x19 · 8.5x18
Backspacing: 5.89 in · 6.14 in · 6.27 in · 6.07 in
Bolt pattern: 5×120
Center bore: 67 mm, 66.9 mm
Tire size: 235/55R17 · 235/50R18 · 245/45R19 · 255/40R19

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
3.0i · 3.0L, LFW, V6, Petrol	8x17	8.5x19	ET48	5.89 in	235/55R17 / 245/45R19	5x120	66.9 mm	M14 x 1.5
3.0i · 3.0L, LFW, V6, Petrol	8x18	8.5x19	ET48	5.89 in	235/50R18 / 245/45R19	5x120	66.9 mm	M14 x 1.5
3.0i · 3.0L, LFW, V6, Petrol	8x17	8.5x19	ET48	5.89 in	235/55R17 / 245/45R19	5x120	66.9 mm	M14 x 1.5
3.0i · 3.0L, LFW, V6, Petrol	8x18	8.5x19	ET48	5.89 in	235/50R18 / 245/45R19	5x120	66.9 mm	M14 x 1.5
3.6i · 3.6L, LFX, V6, Petrol	8x18	8.5x19	ET48	5.89 in	235/50R18 / 245/45R19	5x120	66.9 mm	M14 x 1.5
3.6i · 3.6L, LLT, V6, Petrol	8x18	8.5x19	ET48	5.89 in	235/50R18 / 245/45R19	5x120	66.9 mm	M14 x 1.5
6.2SC · 6.2L, LT4, V8, Petrol	8.5x19	8.5x19	ET48	6.14 in	245/45R19	5x120	66.9 mm	M14 x 1.5
6.2SC · 6.2L, LT4, V8, Petrol	8.5x18	8.5x19	ET48	6.14 in	235/50R18 / 245/45R19	5x120	66.9 mm	M14 x 1.5
6.2SC · 6.2L, LT4, V8, Petrol	9x19	8.5x19	ET40 / ET48	6.07 in	255/40R19 / 245/45R19	5x120	66.9 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 2012 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 — 4 documented builds
22-inch — 1 documented build

5 documented builds.

Diameter

Staggered · 22×? / Rear unknown

Documented on a 2012 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Lexani Pegasus

Front: 22×?
Rear: —

Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +4" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2012 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Yerevan

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2012 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Martuni

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×9 / Rear unknown

Documented on a 2012 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Vossen VVS-CV4

Front: 20×9
Rear: —

Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2012 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.

Wheel: Savini Cast BM-9

Front: 20×?
Rear: —

Compared with OEM

Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

More specs for the 2012 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.