2018 Cadillac XTS Wheel Offset
Quick specs
- Wheel size
- Multiple — see configurations
- Offset
- ET39 · ET35 · ET32
- Backspacing
- 5.79 in · 5.63 in · 5.76 in · 5.88 in
- Bolt pattern
- 5×120
- Center bore
- 66.9 mm
- Tire size
- 245/40R20 · 255/35R21 · 255/30R22 · 245/45R19
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.6T · 3.6L, LF3, V6, Petrol | 8.5x20 | — | ET39 | 5.79 in | 245/40R20 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6T · 3.6L, LF3, V6, Petrol | 8.5x21 | — | ET35 | 5.63 in | 255/35R21 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6T · 3.6L, LF3, V6, Petrol | 9x22 | 9x22 | ET32 / ET25 | 5.76 in | 255/30R22 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6i · 3.6L, LFX, V6, Petrol | 8.5x20 | 8.5x19 | ET39 | 5.79 in | 245/40R20 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 3.6i · 3.6L, LFX, V6, Petrol | 9x21 | 8.5x19 | ET35 / ET39 | 5.88 in | 255/35R21 / 245/45R19 | 5x120 | 66.9 mm | M14 x 1.5 |
Wheels and hardware
More on AmazonLug hardware
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Wheel Accessories Parts Set of 20 Chrome 9/16 Spline Lug Nuts Open End Cone Seat Bulge Acorn Small Diameter Locking Lugs 9/16"-18 Thread, 1" Length Wheel Lug Nuts with Key (20, Chrome)
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.
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Wheel Accessories Parts 14x1.5 Lug Nuts Chrome Set of 20 Closed End Bulge Acorn Lug Nuts 1.38” Long M14x1.5 Thread Cone Seat 13/16” / 20.67mm (~21mm) Hex Wheel Lug Nut (Chrome, M14 x 1.5)
Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check price on Amazon
Wheel locks
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White Knight Wheel Accessories 41900 Chrome M14x1.50 Open End Acorn Wheel Lock Set, 4 Count(Pack of 1), 14mm x 1.50
Confirmed vehicle catalog match. Confirm seat style for your wheel.
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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
Check price on Amazon
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 2018 Cadillac XTS
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.