2020 Cadillac CT6
Only 11 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 11 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 |
|---|---|
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 7 |
| 2019 | 15 |
| 2020 | 11 |
KNOWN PROBLEM AREAS
Only 11 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
6 of 11 total reports mention: power train.
Show complaint excerpts
See attached document for complaint.
NHTSA ODI report, 20250522
The contact owns a 2020 Cadillac CT6. The contact received notification of NHTSA Campaign Number: 25V148000 (POWER TRAIN); however, the part to do the recall repair was unavailable.
NHTSA ODI report, 20250411
3 of 11 total reports mention: service brakes.
CRASHShow complaint excerpts
ON FRIDAY, NOVEMBER 13, 2020 I WAS STOPPED AT A STOPLIGHT IN MARYSVILLE, OHIO. IT APPEARED THAT TRAFFIC STARTED TO MOVE, SO I TOOK MY FOOT OFF THE BRAKE. ALMOST IMMEDIATELY THE EMERGENCY BRAKING FEATURE ENGAGED.
NHTSA ODI report, 20201115
CAR WAS ACQUIRED IN FEBRUARY AND SCRAPING NOISE IN FRONT BRAKES WAS NOTICED IN MAY.
NHTSA ODI report, 20200803
1 of 11 total reports mentions: wheels.
1 of 11 total reports mentions: suspension.
1 of 11 total reports mentions: structure.
Show complaint excerpts
latelyi have had a problem with my back hatch door opening by it self the problem the last time it happen just before i enter a car wash now ive got a 7800 bill to repair it
NHTSA ODI report, 20250224
SAFETY TIMELINE
General Motors LLC (GM) is recalling certain 2020 Cadillac CT6 vehicles equipped with dealer-installed accessory 20" x 8.50" wheels (RPO 5JO or SHH).
Remedy: GM will notify owners, and dealers will replace all four TPMS sensors with the correct sensors, free of charge. The recall began December 3, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N192279200.
Campaign 19V731000 — check if this car was fixed
General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025.
Campaign 25V148000 — check if this car was fixed
BUY-SMART CHECKLIST
2020 Cadillac CT6 — pre-purchase inspection
- Test/inspect for power train issues (6 reports on file for this year).
- Test/inspect for service brakes issues (3 reports on file for this year).
- Test/inspect for wheels issues (1 reports on file for this year).
- Verify recall 19V731000 (tires) has been completed.
- Verify recall 25V148000 (power train) has been completed.
FAQ
Is the 2020 Cadillac CT6 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 2020 Cadillac CT6?
The most-reported component is power train, accounting for 55% of complaints on file.
How many recalls does the 2020 Cadillac CT6 have?
2 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.