ET48 · ET45 · ET40
| 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
See how a different width or offset sits versus an OEM configuration for this year.
Gorilla Automotive 21133HT Small Diameter Acorn Chrome 5 Lug Kit (12mm x 1.50 Thread Size) Pack Of 20
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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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.
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Set of 20 Veritek 14x1.5mm Gloss Black Spline Drive Tuner Lug Nuts w/Key 1.40 Inch for Aftermarket Custom Wheels
Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check price on AmazonObserved aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Among builds in our database for this model year:
6 documented builds.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Giovanna Martuni
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Vossen CV1
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Giovanna Kilis
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Lexani CVX-55
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Forgeline MD3S
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
Documented on a 2011 Cadillac CTS build — observed custom fitment, not a universal fit guarantee.
Wheel: Lexani CVX-55
Compared with the 18×8 ET48 OEM configuration. Calculated geometry only — not fit confirmation.
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.