Model year 2021 · Small Sport Utility Vehicle 4WD, Small Sport Utility Vehicle 2WD
2021 Chevrolet Trailblazer: recalls, fuel economy and safety ratings
EPA rates the 2021 Chevrolet Trailblazer at 28–31 mpg combined across 3 versions. NHTSA lists 4 safety recalls and 197 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
4
EPA combined mpg
28–31
NHTSA overall rating
5/5
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Chevrolet dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2021 Chevrolet Trailblazer recalls
NHTSA's recall file lists 4 safety recalls for the 2021 Chevrolet Trailblazer, newest first.
Equipment: Mechanical: Accessory scissor/screw/bottle jack/lift: Stand
NHTSA 21V440000Reported Jun 10, 2021
Filed by
General Motors, LLC (manufacturer recall no. A212335470)
Units affected
135,400 (estimate)
Problem
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.
Risk
A fractured jack can cause the vehicle to collapse, increasing the risk of injury.
Remedy
Dealers will replace the jack, free of charge. Interim owner notification letters informing owner of the safety risk are expected to be mailed July 26, 2021. A second notice will be mailed once remedy parts become available. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A212335470.
General Motors, LLC (manufacturer recall no. A202307260)
Units affected
3,677 (estimate)
Problem
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.
Risk
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.
General Motors, LLC (manufacturer recall no. A202304380)
Components
Seats: Critical fasteners; Seats
Units affected
105 (estimate)
Problem
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.
Risk
If an occupied front seat is missing the rear attachment bolts, it may move during a crash, increasing risk of injury to the occupant.
Remedy
GM will notify owners, and dealers will inspect seat attachments for both front seats and install attachment bolts as needed, free of charge. The recall began October 1, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438 or Buick customer service at 1-800-521-7300. GM's number for this recall is A202304380.
General Motors, LLC (manufacturer recall no. A202304070)
Components
Equipment: Other: Labels; Tires
Units affected
20 (estimate)
Problem
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."
Risk
If drivers are uninformed and overinflate or underinflate their tires, this may increase the risk of a crash.
Remedy
GM will notify owners, and will mail corrected labels for customers to apply, free of charge. The recall began July 1, 2020. Owners may call Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A202304070.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2021 Chevrolet Trailblazer fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2021 Chevrolet Trailblazer crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2021 Chevrolet Trailblazer NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2021 Chevrolet Trailblazer SUV AWD Early Release
4 stars
4 stars
5 stars
4 stars
17.9%
Standard
2021 Chevrolet Trailblazer SUV AWD Later Release
5 stars
5 stars
5 stars
4 stars
17.9%
Standard
2021 Chevrolet Trailblazer SUV FWD Early Release
4 stars
4 stars
5 stars
4 stars
18.5%
Standard
2021 Chevrolet Trailblazer SUV FWD Later Release
5 stars
5 stars
5 stars
4 stars
18.5%
Standard
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2021 Chevrolet Trailblazer owner complaints
Owners have filed 197 complaints with NHTSA about the 2021 Chevrolet Trailblazer, most recently on Oct 24, 2026. 7 mention a crash, 3 a fire, 5 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2021 Chevrolet Trailblazer complaints
