2021 Cadillac XT6
Only 21 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 21 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 21
- Recalls
- 2
- Investigations
- 1
- Top problem
- —
Too few to rank
Campaigns on file for 2021
Opened by NHTSA
Not enough data
Complaints per year
2021: 21 complaints
View as data table
| Year | Complaints |
|---|---|
| 2020 | 37 |
| 2021 | 21 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 15 |
| 2025 | 8 |
Known problem areas
Only 21 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Engine
5 of 21 total reports mention: engine.
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, 2023-12-13
Also filed under Fuel/propulsion system
Electrical system
5 of 21 total reports mention: electrical system.
Show complaint excerpts
On September 15,2026, my vehicle experienced a catastrophic los of power steering assist accompanied by severe heavy steering. Please review General Motors TSB 20-NA-215 & TSB 17-NA-158 both addressing this issue.
NHTSA ODI report, 2026-10-11
Also filed under Steering
Fuel/propulsion system
4 of 21 total reports mention: fuel/propulsion system.
Back over prevention
4 of 21 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, 2023-09-06
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, 2023-04-05
Steering
3 of 21 total reports mention: steering.
Show complaint excerpts
DTC P0128 engine coolant thermostat to open at a lower temperature than intended. The Check Engine Light appeared, a Steering warning appeared on my information screen, and the engine cooling fan continued to run excessively after turning off.
NHTSA ODI report, 2026-10-13
Safety timeline
2 recalls · 1 investigation · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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R
2021-07-01Fuel system, gasoline21V422000 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.
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I
2022-07-22Preliminary evaluationClosed 2022-11-21 Rear-View Camera Failure
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2023-01-18Back over prevention22V709000 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.
Buy-smart checklist
2021 Cadillac XT6 — pre-purchase inspection
Inspect
- Engine: 5 reports on file for this year.
- Electrical system: 5 reports on file for this year.
- Fuel/propulsion system: 4 reports on file for this year.
Verify these recalls were completed
- Recall 21V422000 · Fuel system, gasoline
- Recall 22V709000 · Back over prevention
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 engine, accounting for 24% of complaints on file.
- How many recalls does the 2021 Cadillac XT6 have?
- 2 recalls on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.