YearToAvoid

2021 Chevrolet Trax Problems, Recalls & Reliability

Verdict

Good

Complaint Index

27/100

#9 most-complained of 12 Trax years

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

The 2021 Chevrolet Trax has a Complaint Index of 27, ranking 9th worst out of 12 model years and earning a Good verdict. NHTSA lists 24 complaints, 0 recalls, and 1 fire, with Electrical System issues as the top problem area (9 complaints, 38% share).

Complaints
24
Recalls
0
Crashes / fires
5 / 1
Injuries / deaths
4 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
26.5
24 city / 30.5 hwy

Top 2021 Chevy Trax problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System9 (38%)
  2. Engine7 (29%)
  3. Brakes6 (25%)
  4. Airbags3 (13%)
  5. Other3 (13%)
  6. Transmission & Powertrain3 (13%)
  7. Fuel System2 (8%)
  8. HVAC1 (4%)
  9. Lane Departure1 (4%)
  10. Seat Belts1 (4%)

What owners report

  • Owners report air bags failing to deploy in side- and rear-impact crashes, sometimes with the engine reportedly detaching from its mounts.
  • Some drivers describe an engine compartment fire with white smoke and hot air from the AC while driving around 45 mph.
  • Brake pedals have been reported to stick or become depressed and stuck, requiring manual retraction and diagnosis of brake positioner failure.
  • Electrical system complaints include repeated battery failures tied to alternator charging problems, along with permanent diagnostic codes described as a communication blackout between engine and transmission.
  • Hard braking has caused the vehicle to pull sharply to one side, though dealer inspections of pads and rotors found no fault.
  • Seat belts have been reported to fail to restrain occupants during a rear-end collision.
2021 Chevrolet Trax complaints: complaints filed per month4Sep 2021Jun 2023Apr 2024Jan 2025Jun 2025Jan 2026Apr 2026Aug 2026
38 complaints filed with NHTSA from Sep 2021 to Aug 2026; peak Jul 2024 (4).

2021 Chevrolet Trax recalls

No safety recalls on record for this model year.

2021 Chevrolet Trax fuel economy and fuel cost

City
24 MPG
Highway
30.5 MPG
Combined
26.5 MPG
Annual fuel cost (EPA)
$2,450
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2021 compared with other Trax years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201320142015201620172018201920202021202220242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2019Avoid82134227
2020Caution7394027
2021Good2724026.5
2022Best189026.5
2024Avoid100169130

All Chevrolet Trax years: best and worst →

Frequently asked questions

Is the 2021 Chevrolet Trax reliable?
Based on NHTSA owner complaints and recalls, the 2021 Trax has a Complaint Index of 27 and ranks 9th worst out of 12 model years for this model, earning a Good verdict relative to other Trax years.
What is the top problem area for the 2021 Chevrolet Trax?
Electrical System complaints lead with 9 complaints, 38% of the total, including a fire and a crash, at a median mileage of 48,900.
Does the 2021 Chevrolet Trax have any recalls?
NHTSA lists 0 recalls for the 2021 Chevrolet Trax.
How does the 2021 Trax compare to other Trax model years?
The 2021 Trax's Complaint Index of 27 is lower than the 2019 (82), 2024 (100), and 2025 (91) model years, all rated Avoid, making 2021 a relatively better choice among Trax years.
What is the fuel economy of the 2021 Chevrolet Trax?
The 2021 Trax gets an EPA combined 26.5 mpg (24 city / 30.5 highway), with an estimated annual fuel cost of $2,450.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.