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2021 Cadillac CT4: problems, recalls and fuel economy

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Owners have filed 12 complaints about the 2021 Cadillac CT4 with NHTSA, and it has 4 recalls. We don't rate it yet: a rating needs sales figures to turn complaints into rates.

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Owner complaints

filed with NHTSA

Recalls

on record

Fuel economy

27 mpg

best version, EPA combined

Fuel, 5 years

$7,556

12,000 mi a year, $3.40/gal

What owners complain about most

Engine & cooling3

Driver-assist & stability2

Wheels & tires1

Steering1

Engines and fuel economy

Version	Drive	Combined
Automatic (S8), 4 cyl, 2.0 L	Rear-Wheel Drive	27 mpg
Automatic (S8), 4 cyl, 2.0 L	All-Wheel Drive	26 mpg
Automatic (S10), 4 cyl, 2.7 L	Rear-Wheel Drive	25 mpg
Automatic (S10), 4 cyl, 2.7 L	All-Wheel Drive	24 mpg
Automatic (S10), 4 cyl, 2.7 L	Rear-Wheel Drive	23 mpg
Automatic (S10), 4 cyl, 2.7 L	All-Wheel Drive	23 mpg

Recalls

Power Train › Automatic TransmissionMar 6, 2025 · campaign 25V148000
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.
Exterior Lighting › Lighting Control Module › SoftwareDec 8, 2022 · campaign 22V903000
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 Mot
Air Bags › Side/Window › CurtainAug 5, 2021 · campaign 21V611000
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.
Air Bags › Srs Malfunction Warning Lamp/LightJun 10, 2021 · campaign 21V421000
General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.

Before you buy

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Other years of the Cadillac CT4

Year	Reliability
2026	Not rated yet
2025	Not rated yet
2024	Not rated yet
2023	Not rated yet
2022	Not rated yet
2021	Not rated yet
2020	Not rated yet

Questions people ask

What problems does the 2021 Cadillac CT4 have?

Owners have filed 12 complaints with NHTSA: engine & cooling (3), driver-assist & stability (2), wheels & tires (1). We don't rate it yet, so this count isn't a reliability score: popular cars get more complaints.

How many recalls does the 2021 Cadillac CT4 have?

4 recalls on record with NHTSA.

What gas mileage does the 2021 Cadillac CT4 get?

Up to 27 mpg combined (EPA), depending on the engine.