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2021 Chevrolet

Trailblazer FWD

Auto (variable gear ratios), 3 cyl, 1.2 L, Turbo

Chevrolet Trailblazer: best and worst years
2021 Chevrolet Trailblazer FWD (photo 1 of 2)
2021 photoKevautoCC BY-SA 4.0via Wikimedia Commons

Overview

Body
Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/22/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (variable gear ratios)EPA, from EPA, last updated 6/22/2026

Engine & performance

HP
137
Power to weight
0.045 hp/lb
Axle ratio
5.45

Efficiency

Smog score
7/10
SmartWay certified
No

Dimensions & capacity

GVWR class
Class 1C (4,001 to 5,000 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
Standard
Lane-departure warning
Standard
Recalls
4
Owner complaints
195 See on NHTSA
Reported injuries
5

Feature availability

Cameras & visibility

  • Backup camera
    Standard

Driver assist

  • Automatic emergency braking
    Standard
  • Lane-keeping assist
    Standard

Convenience

  • Push-button start
    Standard

Reported problems NHTSA record NHTSA owner complaints, model year

  • UNKNOWN OR OTHER19%
  • ELECTRICAL SYSTEM15%
  • POWER TRAIN15%
  • ENGINE14%
  • SERVICE BRAKES11%
  • FUEL/PROPULSION SYSTEM6%

Source: NHTSA owner complaints, 280 total.

Chevrolet Trailblazer: best and worst years

Known issues manufacturer service bulletins, model year

533 service bulletins filed with NHTSA for this model year

  • Jun 3, 2026UNKNOWN OR OTHERPIP6032C

    PIP6032B provides diagnostic direction for dealers when encountering transmission leaks

  • 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 21, 2026UNKNOWN OR OTHERPIP6029A

    This PI instructs dealers to install foam around the shifter cable to stop rattling

  • Apr 1, 2026UNKNOWN OR OTHERPIT3271Q

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

  • Mar 30, 2026UNKNOWN OR OTHERPIC6553B

    This bulletin communicates to a dealer the repair direction that should be taken if they encounter a vibration from the engine when the vehicle is parked facing downhill.

  • 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.

  • and 525 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.