2021 Cadillac CT4 Aftermarket Wheels & Custom Rims Catalog
Showing compatible wheels for the 2021 Cadillac CT4 matching 5x120 / 6x139.7 bolt pattern, 18, 19, 20, and 22 inch diameters, and 8"–10" widths from Black Rhino, Black Rhino Hard Alloys, KMC, Niche 1PC. Filter by rim size, width, or finish and build a complete wheel & tire package.
Shop
2021 Cadillac CT4 Wheel Fitment Specs: 18"–22" Rim Sizes, 8"–10" Widths & 5x120 PCD
Every aftermarket wheel shown above is pre-filtered for the 2021 Cadillac CT4. By matching your 2021 Cadillac CT4 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 Black Rhino, Black Rhino Hard Alloys, KMC, Niche 1PC, Azara, Axe Wheels, you can choose custom rims with confidence or build a complete 2021 Cadillac CT4 wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 2021 Cadillac CT4 |
| 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 | Black Rhino, Black Rhino Hard Alloys, KMC, Niche 1PC, Azara, Axe Wheels |
2021 Cadillac CT4 Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 18 inch wheels for 2021 Cadillac CT4, 19 inch wheels for 2021 Cadillac CT4, 20 inch wheels for 2021 Cadillac CT4, 22 inch wheels for 2021 Cadillac CT4 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 Black Rhino, Black Rhino Hard Alloys, KMC, Niche 1PC, Azara, Axe Wheels all fit safely when backspacing and load capacity match.
2021 Cadillac CT4 Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 2021 Cadillac CT4?
The 2021 Cadillac CT4 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 2021 Cadillac CT4?
All 2021 Cadillac CT4 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 2021 Cadillac CT4?
Yes. For the 2021 Cadillac CT4, 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 2021 Cadillac CT4?
Shop Wheels Direct features guaranteed-fit wheels for the 2021 Cadillac CT4 from leading brands like Black Rhino, Black Rhino Hard Alloys, KMC, Niche 1PC, all precision-engineered for the 5x120 / 6x139.7 / 5x115 bolt pattern.