2021 Chevrolet Trailblazer reliability record
NHTSA consumer complaints and recall campaigns for the 2021 Chevrolet Trailblazer from the dataset labeled 2026. The source file does not provide an exact snapshot date. Use the reported issues to guide further checks; these counts do not establish failure rates or repair costs.
- NHTSA complaints
- 257
- Dataset year: 2026; snapshot day not provided
- Top problem area
- UNKNOWN OR OTHER
- 47 complaints
- Recalls on record
- 4
- see below
- Reported harm
- 17 reported crashes · 11 injuries · 5 fires
How this record compares
raw NHTSA counts, not defect ratesCounts are not adjusted for vehicles sold, time in service or reporting frequency. A larger count does not establish a higher chance of failure, and these comparisons do not set the maintenance budget in our calculator.
Complaint rank
#2,068
of 4,194 vehicle records
Vs Chevrolet median
-51
median 308 across 473 Chevrolet records
Vs 2019-2023
+18
median 240 complaints in 444 records
Top component share
18%
Unknown Or Other: 47 complaints
What owners report fails — 2021 Chevrolet Trailblazer
- UNKNOWN OR OTHER 47
- ELECTRICAL SYSTEM 35
- POWER TRAIN 35
- ENGINE 32
- SERVICE BRAKES 29
4 recalls on record for the 2021 Chevrolet Trailblazer
- NHTSA 21V440000 · 2021 · EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/S A fractured jack can cause the vehicle to collapse, increasing the risk of injury.
- NHTSA 20V295000 · 2020 · EQUIPMENT:OTHER:LABELS If drivers are uninformed and overinflate or underinflate their tires, this may increase the risk of a crash.
- NHTSA 20V588000 · 2020 · SERVICE BRAKES If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will
- NHTSA 20V537000 · 2020 · SEATS:CRITICAL FASTENERS If an occupied front seat is missing the rear attachment bolts, it may move during a crash, increasing risk of injury to
Estimate the 5-year cost to own a 2021 Chevrolet Trailblazer
Build a separate budget with your purchase price, insurance quote, mileage and maintenance estimate. Complaint counts do not enter that calculation. Unknown local taxes and fees stay listed as costs to confirm.
Open TCO calculatorThese are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2021 Chevrolet Trailblazer units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Dataset year: 2026; exact snapshot day not supplied. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2021 Chevrolet Trailblazer reliable?
NHTSA has 257 consumer complaints on record for the 2021 Chevrolet Trailblazer and 4 recalls. The most-reported problem area is unknown or other (47 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2021 Chevrolet Trailblazer units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2021 Chevrolet Trailblazer?
Owners most often report problems with: unknown or other (47), electrical system (35), power train (35), engine (32). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2021 Chevrolet Trailblazer?
This complaint dataset does not measure repair prices or predict a maintenance budget for the 2021 Chevrolet Trailblazer. Use your purchase price, insurance quotes, fuel use and a maintenance estimate in the separate five-year cost calculator. It does not convert complaint counts into repair costs, and any unknown taxes remain excluded and clearly listed.