Most-reported problems

Across 187 owner complaints filed on the 2021 Chevrolet Trailblazer

• Unknown or Other28%
• Electrical System20%
• Power Train20%
• Engine19%
• Service Brakes17%
• Fuel/propulsion System9%

Share of complaints naming each system — a signal of what owners report most on this model, not a failure rate. The denominator is people who filed a complaint, not every owner. Complaints are filed with the US regulator; the same models are sold in Canada.

Safety recalls

4 campaigns issued by the manufacturer

• Seats · Critical Fasteners

  General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.

  Campaign 20V537000

• Tires

  General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, "Tire Selection and Rims."

  Campaign 20V295000

• 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.

  Campaign 20V588000

• Equipment · Mechanical · Accessory Scissor/screw/bottle Jack/lift · Stand

  General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use.

  Campaign 21V440000