Before buying a used 2021 Cadillac CT5, check whether recall repairs were completed, how it scored in crash tests and what owners report most often. Ask the seller for service records covering any recall listed below.
A 0–100 grade from public NHTSA data — higher means fewer reported problems. How it's calculated
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2021 Cadillac CT5 4 DR AWD
2021 Cadillac CT5 4 DR RWD
Source: NHTSA New Car Assessment Program.
29 complaints filed with NHTSA (3 involving a crash, 0 a fire). Most-reported areas:
Source: NHTSA owner complaints. Complaints are unverified reports, not confirmed defects.
| Version | City | Highway | Combined |
|---|---|---|---|
| CT5 — Auto (S10), 6 cyl, 3.0 L, Turbo | 12.4 L/100 km (19 mpg) | 8.4 L/100 km (28 mpg) | 10.7 L/100 km (22 mpg) |
| CT5 — Auto (S10), 4 cyl, 2.0 L, Turbo | 10.2 L/100 km (23 mpg) | 7.4 L/100 km (32 mpg) | 9 L/100 km (26 mpg) |
| CT5 AWD — Auto (S10), 6 cyl, 3.0 L, Turbo | 13.1 L/100 km (18 mpg) | 9 L/100 km (26 mpg) | 11.2 L/100 km (21 mpg) |
| CT5 AWD — Auto (S10), 4 cyl, 2.0 L, Turbo | 11.2 L/100 km (21 mpg) | 7.6 L/100 km (31 mpg) | 9.4 L/100 km (25 mpg) |
| CT5 V — Auto (S10), 6 cyl, 3.0 L, Turbo | 13.1 L/100 km (18 mpg) | 8.7 L/100 km (27 mpg) | 11.2 L/100 km (21 mpg) |
| CT5 V AWD — Auto (S10), 6 cyl, 3.0 L, Turbo | 13.1 L/100 km (18 mpg) | 9 L/100 km (26 mpg) | 11.2 L/100 km (21 mpg) |
Source: U.S. EPA / fueleconomy.gov. Converted to L/100 km for Canadian buyers.
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.
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.
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.
Remedy: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for…
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."
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…
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. 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.
Source: U.S. NHTSA. Canadian-market vehicles can have different recalls — check Transport Canada's recall database. Always confirm recall status for a specific VIN with a dealer.