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2021 Chevrolet Blazer: common problems and reliability
· 2019An average Blazer year.
136 owner complaints, most about engine. 1 recall.
Should I buy a 2021 Blazer?The 2021 Chevrolet Blazer has 136 owner-filed NHTSA complaints and 1 recall on record. The most-reported areas are engine and electrical system. Owners most often flag thermostat failure: sometimes with temperature gauge dropping to cold and cooling fan running after shutdown.
Safety record for the 2021 model year
Source: NHTSA complaints and recalls filed for 2021 Chevrolet Blazer vehicles (US, public record).
The Year Score compares this year with other Blazer years only. How we score it
Is 2021 a good year for the Blazer?
Across the 18 Blazer model years we track, complaint volume runs from 15 (2005) to 1,280 (1996). With 136 complaints, the 2021 Blazer sits below the model's median of 186.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Where owners report problems
Recalls affecting the 2021 Blazer
seat belts
Campaign 20V811000General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
What owners report on the 2019 Blazer
Owner sentiment for this generation is mixed but leans positive among long-term owners, with many praising the styling, ride comfort, highway manners, and the naturally aspirated V6 paired with the 9-speed transmission.
- RecurrentThermostat failure
Sometimes with temperature gauge dropping to cold and cooling fan running after shutdown.
- RecurrentCoolant temperature sensor failure
- RecurrentTransmission shuddering
Delayed clunk into reverse, or complete transmission failure requiring replacement.
- RecurrentRadiator leak
- RecurrentExcessive tire wear, particularly on 21-inch wheels
Owner insights for the 2019 Blazer. Read the full 2019 owner report.
Typical used price
Used Blazer listings typically run $22,199–$27,220.
Other Blazer model years
Compare every Blazer year side by side to see how 2021 ranks against the rest.
Compare the Blazer against its rivals
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