2021 Cadillac XT6 problems and recalls

Owners have filed 18 complaints on the 2021 Cadillac XT6, and NHTSA has issued 2 recalls. The most cited component is the Fuel/Propulsion System (4 complaints).

18
Complaints
2
Recalls
0
Crash reports
0
Fire reports
0
Injuries
51.7
Severity index

Severity index 51.7 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 51.7p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Components cited in complaints

Fuel/Propulsion SystemFuel/Propulsion System: 4 complaints (22.2%)4 22%Back Over PreventionBack Over Prevention: 4 complaints (22.2%)4 22%Electrical SystemElectrical System: 4 complaints (22.2%)4 22%Unknown Or OtherUnknown Or Other: 3 complaints (16.7%)3 17%EngineEngine: 3 complaints (16.7%)3 17%Forward Collision Avoid…Forward Collision Avoidance: 2 complaints (11.1%)2 11%Power TrainPower Train: 1 complaints (5.6%)1 6%Engine And Engine Cooli…Engine And Engine Cooling: 1 complaints (5.6%)1 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
FUEL/PROPULSION SYSTEM422.2%
BACK OVER PREVENTION422.2%
ELECTRICAL SYSTEM422.2%
UNKNOWN OR OTHER316.7%
ENGINE316.7%
FORWARD COLLISION AVOIDANCE211.1%
POWER TRAIN15.6%
ENGINE AND ENGINE COOLING15.6%

Complaints filed per year

0252021: 22023: 52024: 12025: 52026: 5 (partial year)21235242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20212
20235
20241
20255
2026 (year to date)5
Filings in 2023 to 2025 ran 5.5x those in 2021 to 2021 (11 against 2).

Recall campaigns

CampaignReportedComponentSummary
21V42200003/06/2021FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSGeneral Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
22V70900022/09/2022BACK OVER PREVENTION: SENSING SYSTEM: CAMERAGeneral Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function i

Other Cadillac XT6 model years

Severity index for every other model year on file. Compare all 5 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.