2021 Cadillac XT6: common problems and reliability
An average XT6 year.
The best Cadillac XT6 year. All XT6 years
18 owner complaints, most about fuel/propulsion system. 2 recalls.
Should I buy a 2021 XT6?The 2021 Cadillac XT6 has 18 owner-filed NHTSA complaints and 2 recalls on record. The most-reported areas are fuel/propulsion system and back over prevention.
Safety record for the 2021 model year
Source: NHTSA complaints and recalls filed for 2021 Cadillac XT6 vehicles (US, public record).
The Year Score compares this year with other XT6 years only. How we score it
Is 2021 a good year for the XT6?
Across the 6 XT6 model years we track, complaint volume runs from 13 (2023) to 36 (2020). With 18 complaints, the 2021 XT6 sits about the same as the model's median of 15.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Where owners report problems
Recalls affecting the 2021 XT6
fuel system, gasoline:delivery:hoses, lines/piping, and fittings
Campaign 21V422000General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
back over prevention: sensing system: camera
Campaign 22V709000General 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 intermittently.
What owners say across generations
Mixed to negative sentiment overall, with a significant divide between initial appeal and long-term ownership experience.
Owner insights cover all generations of the XT6. See the full XT6 owner picture and every model year.
Typical used price
Used XT6 listings typically run $25,881–$40,965 across 2020 to 2025 model years.
Other XT6 model years
Compare every XT6 year side by side to see how 2021 ranks against the rest.
Compare the XT6 against its rivals
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