2020 Cadillac CT4

No photo available — body style shown for reference.

The Verdict

Worst problem area

Engine

Engine leads by volume: 3 of 8 complaints (38%) mention it.

Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

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Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 3 years. Fuel figures show the range across trims for years with more than one EPA-rated configuration.
Category202020212022vs. 2020 Compact Cars
Annual fuel cost ($)2,850–3,3502,850–3,3502,850–4,300
Combined MPG23–2723–2718–27
City / Highway MPG20–23 / 28–3420–23 / 28–3415–23 / 23–34
CO₂ tailpipe (g/mi)327–384327–385331–488
Complaints filed876Not compared
Recalls issued442Not compared
Crash-involved complaints001Not compared
Fire-involved complaints000Not compared
Injuries reported001Not compared
Deaths reported000Not compared
Configurations compared668

Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.

Common questions

How many recalls does the 2020 Cadillac CT4 have?

4 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.

What is the most common complaint about the 2020 Cadillac CT4?

Engine: 3 of 8 NHTSA complaints (38%) mention it.

What gas mileage does the 2020 Cadillac CT4 get?

EPA rates it 23–27 MPG combined across 6 configurations.

How much does it cost to fuel a 2020 Cadillac CT4?

EPA estimates $2,850–$3,350 a year in fuel costs, using EPA's assumptions.

EPA-Rated Configurations (6)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
ConfigurationTransmissionCylindersDisplacementDrivetrainFuel TypeVehicle ClassCityHighwayCombinedAnnual Fuel CostCO₂
Configuration 1Automatic (S10)42.7LRear-Wheel DrivePremiumCompact Cars20 mpg (low)30 mpg24 mpg$3,250373 g/mi
Configuration 2Automatic (S10)42.7LAll-Wheel DrivePremiumCompact Cars20 mpg (low)28 mpg (low)23 mpg (low)$3,350 (high)382 g/mi
Configuration 3Automatic (S10)42.7LAll-Wheel DrivePremiumCompact Cars20 mpg (low)28 mpg (low)23 mpg (low)$3,350 (high)382 g/mi
Configuration 4Automatic (S8)42.0LAll-Wheel DrivePremiumCompact Cars23 mpg (high)32 mpg26 mpg$3,000343 g/mi
Configuration 5Automatic (S8)42.0LRear-Wheel DrivePremiumCompact Cars23 mpg (high)34 mpg (high)27 mpg (high)$2,850 (low)327 g/mi (low)
Configuration 6Automatic (S10)42.7LRear-Wheel DrivePremiumCompact Cars20 mpg (low)29 mpg23 mpg (low)$3,350 (high)384 g/mi (high)

Complaints by Category

Complaints by category, in the same fixed order on every page
CategoryComplaintsCrash-InvolvedFire-InvolvedInjuriesDeaths
Engine30000
Transmission & Drivetrain20000
Fuel System10000
Electrical00000
Brakes20000
Steering00000
Suspension, Wheels & Tires00000
Airbags & Restraints10000
Driver Assistance & Speed Control00000
Body, Seats & Latches00000
Visibility & Lighting00000
Other10000

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls (4)

  • POWER TRAIN:AUTOMATIC TRANSMISSION · Campaign 25V148000 · Mar 6, 2025

    Defect: 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.

    Consequence: Wheel lock-up while driving increases the risk of a crash.

    Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.

  • EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE · Campaign 22V903000 · Dec 8, 2022

    Defect: 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. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

    Consequence: DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.

    Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222386380. This recall expands previous recall number 22V-827.

  • AIR BAGS; AIR BAGS:SIDE/WINDOW:CURTAIN · Campaign 21V611000 · Aug 5, 2021

    Defect: General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.

    Consequence: Air bags that do not deploy properly can increase the risk of injury in a crash.

    Remedy: Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.

  • SERVICE BRAKES · Campaign 20V588000 · Sep 25, 2020

    Defect: 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.

    Consequence: If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.

    Remedy: GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.