2018 Cadillac XTS Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 2018 Cadillac XTS matched to 18-22" wheel diameters and 8-10" widths.
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2018 Cadillac XTS Wheel Fitment Specs: 18"–22" Rim Sizes, 8"–10" Widths & 5x120 PCD
Every aftermarket wheel shown above is pre-filtered for the 2018 Cadillac XTS. By matching your 2018 Cadillac XTS lug pattern (5x120, 6x139.7, 5x115), compatible rim diameters (18, 19, 20, and 22 inch), and 8", 8.5", 9", 9.5", 10" widths against inventory from Axe Wheels, Weld, XD, Lexani, Fuel Forged, Savini, you can choose custom rims with confidence or build a complete 2018 Cadillac XTS wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2018 Cadillac XTS |
| Bolt Pattern (PCD) | 5x120, 6x139.7, 5x115 |
| Supported Diameters | 18", 19", 20", 22" |
| Supported Widths | 8", 8.5", 9", 9.5", 10" |
| Center Bore | 66.9 mm, 78.1 mm |
| Compatible Brands | Axe Wheels, Weld, XD, Lexani, Fuel Forged, Savini |
2018 Cadillac XTS Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2018 Cadillac XTS, 19 inch wheels for 2018 Cadillac XTS, 20 inch wheels for 2018 Cadillac XTS, 22 inch wheels for 2018 Cadillac XTS matched to 8"–10" widths and 5x120 / 6x139.7 bolt patterns. Whether building a daily street setup or trail rig, always confirm truck load rating and wheel offset alongside lug count—off-road alloy, flow-formed, and forged wheels from Axe Wheels, Weld, XD, Lexani, Fuel Forged, Savini all fit safely when backspacing and load capacity match.
2018 Cadillac XTS Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2018 Cadillac XTS?
The 2018 Cadillac XTS is engineered with a 5x120 / 6x139.7 / 5x115 bolt pattern and a 66.9 mm / 78.1 mm center bore and accommodates wheel diameters of 18"–22" with rim widths of 8"–10". Installing hub-centric wheels guarantees zero highway vibrations.
How do I verify aftermarket wheels clear the brakes on my 2018 Cadillac XTS?
All 2018 Cadillac XTS wheels listed on Shop Wheels Direct are verified against factory brake caliper profiles and the 5x120 / 6x139.7 / 5x115 bolt pattern across 18"–22" diameters and 8"–10" rim widths.
Can I install wider rims and aggressive off-road tires on the 2018 Cadillac XTS?
Yes. For the 2018 Cadillac XTS, wheels measuring 8"–10" wide in 18"–22" diameters with a 5x120 / 6x139.7 / 5x115 bolt pattern fit stock, leveled, or lifted suspensions cleanly without rubbing.
Which top wheel brands have guaranteed-fit rims for the 2018 Cadillac XTS?
Shop Wheels Direct features guaranteed-fit wheels for the 2018 Cadillac XTS from leading brands like Axe Wheels, Weld, XD, Lexani, all precision-engineered for the 5x120 / 6x139.7 / 5x115 bolt pattern.