2020 Cadillac CT4: True Cost, Problems & Verdict
8 NHTSA owner complaints · 4 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 8 filed with NHTSA
Complaints per year on the road: 1.33
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
Total brake system failure. Lost almost all brake function nearly causing an accident. June 17, 2026 car was taken to dealership. Electronic Brake Control Module (EBCM), Brake Master Cylinder, Brake Pedal Retainer replacement required. August 7, 2026 received a call from dealer stating that EBCM replacement was faulty or failed. August 26, 2026 Contacted GM to ask for inclusion in recall 20V588000. Was refused inclus…
69,000 mile oil change I was told i needed to spend thousands of dollars on repairing an oil leak b/c my Cam carrier is leaking. Cadillac has a know issue with this repair and refuses to stand behind it's product. Numerous complaints already on forums and yet they charge thousands to fix. A top name brand that can't produce a vehicle past 69000 miles without a major issue. I wanted to make it known about the ongoi…
The vehicle shudders and loses power when accelerating fast. My wife almost got hit when she pulled out in traffic the car stalled out. It is due to the cylinder deactivation (afm).
Recalls: 4 campaigns (2 severe)
| Campaign | Component | Summary |
|---|---|---|
| 21V611000 | Air Bags:Side/Window:Curtain | General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. |
| 25V148000 | Power Train:Automatic Transmission | 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. |
| 22V903000 | Exterior Lighting:Lighting Control Module:Software | General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. |
| 20V588000 | Service Brakes | General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system. |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a mid-size premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 24 MPG · estimated annual fuel cost $3,150
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Engine3 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Service Brakes2 complaints · typical job: Pads, rotors and caliper service, both axles (3.0 h labour + parts)$580–$1,140
- Power Train2 complaints · typical job: Transmission service or clutch-pack repair (7.0 h labour + parts)$1,290–$4,040
- Fuel/Propulsion System1 complaints · typical job: Fuel pump or injector replacement (3.5 h labour + parts)$680–$1,620
- Unknown Or Other1 complaints · typical job: Diagnosis and mixed repair (2.0 h labour + parts)$360–$940
- Air Bags1 complaints · typical job: Airbag module, clockspring or sensor replacement (2.5 h labour + parts)$600–$1,700
Other Cadillac CT4 years
FAQ
What is the most common problem with the 2020 Cadillac CT4?
The most-reported issue in NHTSA complaint data is Engine (3 complaints in our indexed sample).
Is the 2020 Cadillac CT4 a good used car to buy?
Our data verdict is BUY with a reliability score of 83/100, computed from 8 NHTSA complaints and 4 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2020 Cadillac CT4's most common problem?
3 of the NHTSA complaints filed against the 2020 Cadillac CT4 sit in the Engine group — more than any other component on this model year. The representative job there is cooling-system or timing-drive repair: about 6.0 hours of labour plus parts, roughly $1,040–$2,220 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2020 Cadillac CT4 cost to run per year?
About $4,685 a year in fuel or energy plus the maintenance band — roughly $23,425 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2020 Cadillac CT4 have recalls?
Yes — NHTSA lists 4 recall campaign(s) for the 2020 Cadillac CT4, 2 of them touching fire, crash or stall risk, the most recent recorded 05/08/2021. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury midsizes of about the same age.
What will a 2020 Cadillac CT4 really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Thin evidence — 8 complaints, 4 recalls on record
- 8 NHTSA complaints on record (1.3/yr of exposure) — in line with a typical year of this model (1.4/yr)
- 4 recall campaigns, 2 touching safety-critical systems
- Thin complaint record — this score is held close to the model's own average rather than read as evidence of quality