YearToAvoid

2020 Cadillac XT6 Reliability Data: Problems & Recalls

Avoid The 2020 Cadillac XT6 has the highest complaint index (100) of all six model years and ranks worst overall, with 36 complaints and 4 recalls. Electrical system issues make up 31% of complaints, followed by camera and transmission problems, earning it an Avoid verdict.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
100/100
#1 of 6 XT6 years
Verdict
Avoid
vs. other years of this model
Complaints
36
unique NHTSA reports
Recalls
4
distinct NHTSA campaigns
Crashes
0
reported in complaints
Fires
0
Injuries
0
Top issue
Electrical System
Best nearby year
2021
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
20
17.5 city / 24.5 hwy
Injuries / deaths
0 / 0

Top 2020 Cadillac XT6 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System11 (31%)
  2. Collision Avoidance & Cameras9 (25%)
  3. Transmission & Powertrain8 (22%)
  4. Engine5 (14%)
  5. Other4 (11%)
  6. Structure & Body3 (8%)
  7. Visibility & Wipers3 (8%)
  8. Fuel System2 (6%)
  9. Airbags1 (3%)
  10. Lane Departure1 (3%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Owners report the fuel gauge intermittently stops showing fuel level right after startup, with dealers unable to find a fault code.
  • Some describe brand-new vehicles with electrical systems that malfunctioned constantly after an early battery replacement, persisting even after dealer repairs.
  • The backup camera goes black or shows a red warning triangle intermittently, sometimes working only part of the time in reverse.
  • One owner reported the surround-vision camera falsely displayed an SD card error even with a new memory card installed.
  • Another described the automatic braking system applying hard, unexpected braking when no collision was imminent, with no way to disable it separately.
2020 Cadillac XT6 complaints: complaints filed per month3Aug 2019May 2021May 2022Sep 2022May 2023Sep 2024Apr 2025Dec 2025
36 complaints filed with NHTSA from Aug 2019 to Jun 2026; peak Nov 2020 (3).

2020 Cadillac XT6 recalls

4 NHTSA recall campaigns list this model year.

  1. NHTSA 22V709000Sep 22, 2022Collision Avoidance & Cameras95,231 vehicles

    Back over prevention: sensing system: camera

    General 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.

    Risk: An inoperative rearview camera can reduce the driver's rear visibility, increasing the risk of a crash.

    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. GM's number for this recall is N222378380.

  2. NHTSA 20V668000Oct 29, 2020Transmission & Powertrain194,105 vehicles

    Power train:automatic transmission

    General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.

    Risk: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.

    Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.

  3. NHTSA 20V639000Oct 15, 2020Fuel System2,781 vehicles

    Fuel system, gasoline:delivery:fuel pump

    General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.

    Risk: Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a crash.

    Remedy: GM will notify owners, and dealers will replace the fuel pump module. The recall began November 16, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202314760.

See all 4 recalls for the 2020 Cadillac XT6 →

2020 Cadillac XT6 fuel economy and fuel cost

City
17.5 MPG
Highway
24.5 MPG
Combined
20 MPG
Annual fuel cost (EPA)
$3,250
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2020 compared with other XT6 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100202020212022202320242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2020Avoid10036420
2021Best018222
2022Avoid8015322

All Cadillac XT6 years: best and worst →

Frequently asked questions

Is the 2020 Cadillac XT6 reliable?
Among the six XT6 model years with data, 2020 has the highest complaint index (100) and ranks worst overall, so it carries an Avoid verdict relative to other XT6 years.
What are the most common problems with the 2020 Cadillac XT6?
NHTSA complaints show electrical system issues lead at 31% of complaints, followed by collision avoidance and camera problems at 25%, and transmission and powertrain issues at 22%.
Does the 2020 Cadillac XT6 have any recalls?
NHTSA lists 4 recalls for the 2020 XT6, covering the collision avoidance camera cables, transmission accumulator bolts, a fuel pump jet nozzle defect, and airbag diffuser modules; none are do-not-drive recalls.
Which Cadillac XT6 year is better than 2020?
The 2021 and 2025 model years both carry a Best verdict with complaint indexes of 0 and 20, far lower than 2020's index of 100.
At what mileage do 2020 XT6 problems typically show up?
Electrical complaints had a median failure mileage of 2,046 miles, while transmission and powertrain complaints showed up much later, at a median of 159,838 miles.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.