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2021 Chevrolet

Blazer AWD

Auto 9-spd, 4 cyl, 2.0 L, Turbo

Chevrolet Blazer: best and worst years
2021 Chevrolet Blazer AWD (photo 1 of 5)

Photo may show a different model year; you're viewing the 2021.

PhotoCEphoto, Uwe AranasCC BY-SA 3.0via Wikimedia Commons

Overview

Body
Small Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/22/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic 9-spdEPA, from EPA, last updated 6/22/2026

Engine & performance

Efficiency

Smog score
7/10
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 2E (6,001 to 7,000 lb)NHTSA vPIC, from NHTSA vPIC, last updated 10/13/2026

Safety NHTSA record NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★★
Stability control (ESC)
Standard
Forward-collision warning
Optional
Lane-departure warning
Optional
Recalls
1
Owner complaints
136 See on NHTSA
Reported injuries
7

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Driver assist

  • Adaptive cruise control
    Optional
  • Automatic emergency braking
    Standard
  • Lane-keeping assist
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • ENGINE20%
  • ELECTRICAL SYSTEM19%
  • UNKNOWN OR OTHER10%
  • SERVICE BRAKES9%
  • POWER TRAIN9%
  • FUEL/PROPULSION SYSTEM8%

Source: NHTSA owner complaints, 207 total.

Chevrolet Blazer: best and worst years

Known issues manufacturer service bulletins, model year

575 service bulletins filed with NHTSA for this model year

  • May 11, 2026UNKNOWN OR OTHERPIC6551B

    This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  • May 11, 2026UNKNOWN OR OTHERPIC6423A

    Pi created to provide GM dealers with information on gathering information for projection issue

  • Apr 1, 2026UNKNOWN OR OTHERPIT3271Q

    This preliminary information communicates information about how to determine if a wheel and tires size change is available.

  • Mar 21, 2026UNKNOWN OR OTHERN25-250552

    Improvements to OnStar functionality.

  • Mar 9, 2026UNKNOWN OR OTHERPIP6104

    This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

  • Mar 9, 2026UNKNOWN OR OTHERPIP4902V

    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  • Mar 2, 2026UNKNOWN OR OTHERPIT6425D

    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

  • Feb 19, 2026FUEL/PROPULSION SYSTEMN252516900-01

    Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module.

  • and 567 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
3 yr / 36k mi
Powertrain
5 yr / 60k mi
Roadside assistance
5 yr / 60k mi
Maintenance
1 yr / 12k mi
EV battery
8 yr / 100k mi

Source: www.gmfleet.com as of 2026-06

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.