2021 Chevrolet Trailblazer Safety Report
2021 Chevrolet Trailblazer: Excellent crash ratings, but significant powertrain and 'Shift to Park' issues reported by owners.
AI Safety Analysis for the 2021 Chevrolet Trailblazer
Reliability Score
The 2021 Chevrolet Trailblazer receives a reliability score of 55 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.
Known Issues for the 2021 Chevrolet Trailblazer
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Chevrolet Trailblazer:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Shift To Park Error Vehicle fails to recognize 'Park' gear, displaying a 'Shift to Park' warning, preventing engine shut-off and vehicle locking. Requires multiple attempts to engage park. |
High | Common | 20000-50000 miles |
| Transmission Failure/Hesitation Vehicle fails to move when accelerating from a stop, makes loud noises, or experiences general transmission defects requiring replacement. |
High | Common | 30000-60000 miles |
| Brake System Malfunction Brakes become inoperative or require excessive force, sometimes accompanied by 'Brake Failure' warnings. Linked to a recall for sensor contamination. |
High | Occasional | unknown miles |
| Engine Power Reduced/Stalling Engine power reduction messages, random stalling while driving, and check engine lights related to throttle control or fuel injectors. |
High | Occasional | unknown miles |
| Exploding Sunroof Glass Sunroof glass spontaneously shatters or explodes upwards while driving. |
Medium | Rare | unknown miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Chevrolet Trailblazer:
Issues include transmission hesitation, failure to engage gear, and the prevalent 'Shift to Park' error.
Reports of grinding noises, loss of electronic brake boost, and complete brake failure.
Problems such as reduced engine power, stalling, and check engine lights related to turbo or fuel systems.
Various electrical issues, including door lock actuator failures and problems with vehicle starting.
A significant number of complaints fall into this category, indicating diverse and potentially unclassified issues.
Frequently Asked Questions About the 2021 Chevrolet Trailblazer
Is the 2021 Chevrolet Trailblazer safe?
The 2021 Chevrolet Trailblazer received excellent NHTSA crash test ratings (5-star overall, frontal, and side, 4-star rollover). However, owner complaints highlight significant safety concerns, particularly with the powertrain (22 complaints), service brakes (12 complaints), and a widespread 'Shift to Park' issue that prevents the vehicle from turning off. There have been 7 reported crashes and 5 injuries.
What are common problems with the 2021 Chevrolet Trailblazer?
The most reported issues for the 2021 Chevrolet Trailblazer include 'Shift to Park' errors, transmission hesitation or failure, and problems with the service brakes, sometimes leading to reduced braking power or failure. Engine power reduction and stalling have also been reported.
Are there any recalls for the 2021 Chevrolet Trailblazer?
Yes, the 2021 Chevrolet Trailblazer has 4 recalls. These include issues with the emergency jack, potential loss of electronic brake boost assist due to sensor contamination, missing front seat attachment bolts, and an incorrect tire certification label.
How reliable is the 2021 Chevrolet Trailblazer?
Based on 161 NHTSA complaints, including significant powertrain and brake issues, and 4 recalls, the reliability of the 2021 Chevrolet Trailblazer appears to be a concern, particularly regarding its mechanical and electrical systems, despite strong crash test performance.
What should I look out for when buying a used 2021 Chevrolet Trailblazer?
When considering a used 2021 Chevrolet Trailblazer, pay close attention to the transmission for any hesitation or 'Shift to Park' warnings, test the brakes thoroughly for proper function, and check for any active recalls. A pre-purchase inspection by a trusted mechanic is highly recommended.
Buyer Advice
Our recommendation: While the 2021 Chevrolet Trailblazer has strong crash test ratings, potential buyers should be aware of recurring powertrain, brake, and 'Shift to Park' issues highlighted by numerous owner complaints and recalls. A thorough pre-purchase inspection and verification of all recall repairs are strongly advised.
NHTSA Data Summary for 2021 Chevrolet Trailblazer
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Chevrolet Trailblazer. The data includes 161 consumer complaints filed by vehicle owners, 4 manufacturer-initiated safety recalls, 7 reported crashes, 3 fire incidents, 5 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2021 Chevrolet Trailblazer an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 5 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.