2021 Cadillac XT6
Only 18 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 18 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2020 | 36 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 15 |
| 2025 | 8 |
KNOWN PROBLEM AREAS
Only 18 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
4 of 18 total reports mention: fuel/propulsion system.
Show complaint excerpts
The vehicle's check engine light came on late afternoon and then started with a delayed turn over, but not actually starting thr following day. The vehicle had to be towed to the dealership.
NHTSA ODI report, 20231213
Also filed under ENGINE
4 of 18 total reports mention: electrical system.
4 of 18 total reports mention: back over prevention, most commonly citing warnings.
Show complaint excerpts
In April 2023 I was backing out of a parking space when a message displayed on the dash that âThe Parking Assist Have Been Blocked, See Ownerâs Manual â.
NHTSA ODI report, 20230906
The contact owns a 2021 Cadillac XT6.The contact stated that while reversing, the rear-view camera displayed his vehicle instead of other vehicles nearby. There were no warning lights illuminated.
NHTSA ODI report, 20230405
3 of 18 total reports mention: engine.
2 of 18 total reports mention: forward collision avoidance, most commonly citing warnings and automatic emergency braking.
SAFETY TIMELINE
General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
Remedy: Dealers will inspect and replace fuel supply lines as necessary, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Cadillac customer service at 1-800-458-8006 and GMC customer service at 1-800-462-8782.
Campaign 21V422000 — check if this car was fixed
Rear-View Camera Failure
General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature.
Remedy: Dealers will replace the coaxial cables, free of charge. Owner notification letters were mailed January 18, 2023. Owners may contact Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782.
Campaign 22V709000 — check if this car was fixed
BUY-SMART CHECKLIST
2021 Cadillac XT6 — pre-purchase inspection
- Test/inspect for fuel/propulsion system issues (4 reports on file for this year).
- Test/inspect for electrical system issues (4 reports on file for this year).
- Test/inspect for back over prevention issues (4 reports on file for this year).
- Verify recall 21V422000 (fuel system, gasoline) has been completed.
- Verify recall 22V709000 (back over prevention) has been completed.
FAQ
Is the 2021 Cadillac XT6 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 Cadillac XT6?
The most-reported component is fuel/propulsion system, accounting for 22% of complaints on file.
How many recalls does the 2021 Cadillac XT6 have?
2 recalls on file for this model year.
Data updated 2026-09-16 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.