2020 Cadillac CT5: True Cost, Problems & Verdict

39 NHTSA owner complaints · 4 recalls · data-computed verdict. No opinions — public data only.

Cadillac CT5

Owner complaints: 39 filed with NHTSA

Complaints per year on the road: 6.5

Power Train15Unknown Or Other11Electrical System8Engine7Structure5Latches/Locks/Linkages2

What owners say

Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.

The contact owns a 2020 Cadillac CT5. The contact stated that while the vehicle was parked and using the key fob to open the door, the door on the driver’s side failed to open. The failure was a recurring failure. The dealer was contacted and diagnosed the vehicle with an exterior door handle failure on the driver’s side. The manufacturer was not made aware of the failure. The failure mileage was approximately 46,00…
Electronic door hand on the drivers side completely stopped working, with little warning. This includes the proximity unlock feature and unlocking the car with the fob. If this were to have happened to all four doors at once, it would have been impossible to enter the car without breaking the glass. This is not safe.
There is some type of mechanical or electrical malfunction with the door locking system. I can not unlock or enter the car using the fan or by any mechanism from outside the car. This has left my fiance & infant trapped in the car. My fiance has to reach over and manually open the driver side door from inside the vehicle. However, I can no longer drive with only my infant in the car for fear she will be trapped insid…

Recalls: 4 campaigns (2 severe)

2020202120222025
CampaignComponentSummary
21V611000Air Bags:Side/Window:CurtainGeneral Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles.
25V148000Power Train:Automatic TransmissionGeneral 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.
22V903000Exterior Lighting:Lighting Control Module:SoftwareGeneral 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.
20V588000Service BrakesGeneral 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.

Typical price today $29,500–$42,400 used market, 2026
You lose to depreciation $2,590/year $13,000 over five years
Price when new (2020)$54,500
Worth in five years$23,000
Depreciation, five years$13,000
Insurance, five years$10,000–$14,550
Fuel and maintenance, five years$23,418
Five-year cost of owning it$48,693
Per mile driven, at 12,000 miles a year$0.81

What it costs to run

EPA combined 26 MPG · estimated annual fuel cost $3,050

Fuel (your region)$3,050
Maintenance band (your region) $908–$1,799
Estimated running cost this year (age 6) $4,404
Range across the maintenance band $3,958–$4,849
Next five years, running cost $23,418

Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.

02468101214$6,514vehicle age (years)
fuel/energy + maintenance band, annual — US dollars, estimate

Run your own numbers in the true-cost calculator →

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.

  • Power Train15 complaints · typical job: Transmission service or clutch-pack repair (7.0 h labour + parts)$1,290–$4,040
  • Unknown Or Other11 complaints · typical job: Diagnosis and mixed repair (2.0 h labour + parts)$360–$940
  • Electrical System8 complaints · typical job: Alternator, battery-drain or body-module diagnosis and replacement (3.0 h labour + parts)$540–$1,310
  • Engine7 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
  • Structure5 complaints · typical job: Body, subframe or corrosion repair (6.0 h labour + parts)$1,070–$2,920
  • Latches/Locks/Linkages2 complaints · typical job: Door latch or lock actuator replacement (2.0 h labour + parts)$380–$760

FAQ

What is the most common problem with the 2020 Cadillac CT5?

The most-reported issue in NHTSA complaint data is Power Train (15 complaints in our indexed sample).

Is the 2020 Cadillac CT5 a good used car to buy?

Our data verdict is BUY with a reliability score of 72/100, computed from 39 NHTSA complaints and 4 recall campaigns. See the verdict card for the top reasons.

How much does it cost to fix the 2020 Cadillac CT5's most common problem?

15 of the NHTSA complaints filed against the 2020 Cadillac CT5 sit in the Power Train group — more than any other component on this model year. The representative job there is transmission service or clutch-pack repair: about 7.0 hours of labour plus parts, roughly $1,290–$4,040 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 CT5 cost to run per year?

About $4,683 a year in fuel or energy plus the maintenance band — roughly $23,418 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 CT5 have recalls?

Yes — NHTSA lists 4 recall campaign(s) for the 2020 Cadillac CT5, 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.

What will a 2020 Cadillac CT5 really cost YOU per year?

Fuel, maintenance band and depreciation — computed from public data in 10 seconds.

Open the true-cost calculator

Data 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.

72RELIABILITY / 100
BUY

Thin evidence — 39 complaints, 4 recalls on record

Typical price today$29,500–$42,400used market estimate · the full money picture
Running cost, next 5 years$23,418fuel/energy + maintenance band midpoint · estimate
  • 39 NHTSA complaints on record (6.5/yr of exposure) — worse than a typical year of this model (4.1/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

How this score is computed →