Cadillac CT4 Wheel Interchange
Compare Cadillac CT4 wheel specifications across 4 model years. Review bolt patterns, center bore, thread size, OEM wheel dimensions, and the years that share the same recorded mounting specs.
On this page
Compare Cadillac CT4 Years
Wheel Specifications by Year
| Year | Bolt pattern | Center bore | Thread size | OEM rim sizes | Offset | Details |
|---|---|---|---|---|---|---|
| 2023 | 5×115 | 70.3 mm | M12×1.5 | Not available | Not available | Open 2023 page |
| 2022 | 5×115 | 70.3 mm | M12×1.5 | Varies
| Varies
| Open 2022 page |
| 2021 | 5×115 | 70.3 mm | M12×1.5 | Varies
| Varies
| Open 2021 page |
| 2020 | 5×115 | 70.3 mm | M12×1.5 | Varies
| Varies
| Open 2020 page |
2023
- Bolt pattern
- 5×115
- Center bore
- 70.3 mm
- Thread size
- M12×1.5
- OEM rim sizes
- Not available
- Offset
- Not available
- Details
- Open 2023 page
2022
- Bolt pattern
- 5×115
- Center bore
- 70.3 mm
- Thread size
- M12×1.5
- OEM rim sizes
Varies
- 17×8
- 18×8
- 19×8
- Offset
Varies
- 32 mm
- 35 mm
- Details
- Open 2022 page
2021
- Bolt pattern
- 5×115
- Center bore
- 70.3 mm
- Thread size
- M12×1.5
- OEM rim sizes
Varies
- 17×8
- 18×8
- 19×8
- Offset
Varies
- 32 mm
- 35 mm
- Details
- Open 2021 page
2020
- Bolt pattern
- 5×115
- Center bore
- 70.3 mm
- Thread size
- M12×1.5
- OEM rim sizes
Varies
- 17×8
- 18×8
- 19×8
- Offset
Varies
- 32 mm
- 35 mm
- Details
- Open 2020 page
Is matching bolt pattern enough?
A matching Cadillac CT4 bolt pattern is only the first check. The wheel still has to clear the hub, brakes, and suspension, sit at a usable offset, and use the correct fasteners and tire package.
- Center bore must not be smaller than the hub. A larger bore may need hub-centric rings; it is not an automatic fit.
- Offset and backspacing change inner and outer clearance even when diameter matches.
- Wheel width, brake clearance, and suspension travel are trim-specific and are not proven by bolt pattern alone.
- Lug-seat geometry, thread size, load rating, tire diameter, and TPMS compatibility still need a physical check.
Same recorded specifications are a candidate for further verification, not confirmation that wheels physically fit.
Frequently Asked Questions
What bolt patterns has the Cadillac CT4 used?
Recorded Cadillac CT4 bolt patterns for 2020–2023 are 5×115. A year may have more than one configuration, so confirm the year page before buying wheels.
Do all CT4 years use the same wheel specs?
The published CT4 years on this page share the same recorded core mounting specs (5×115 · 70.3 mm · M12×1.5). Wheel diameter, width, offset, brake clearance, and load rating must still be checked.
How can I compare two CT4 years?
Use Compare Years at the top of this page to select a donor year and an installed-on year. The result compares recorded bolt pattern, center bore, thread size, rim diameter, rim width, offset, backspacing, and tire size, then links to both year pages and the wheel calculator.
Is matching the bolt pattern enough?
No. Matching bolt pattern alone is not enough. Center bore, offset, backspacing, wheel width, brake and suspension clearance, lug-seat geometry, load rating, tire diameter, and TPMS compatibility must still be verified.
What should I check before installing wheels from another year?
Confirm the recorded core mounting specs, then verify wheel width, offset/backspacing, brake and suspension clearance, lug-seat geometry, load rating, tire diameter, and TPMS compatibility. This page reports recorded specifications and does not certify installation.