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What 13 owners told NHTSA about the 2018 Buick Envision
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
1 of 13 complaints match · Fuel system · clear filters
Nov 14, 2020EngineFuel system
THERE HAVE BEEN 2 SEPARATE INCIDENTS OF THE COOLANT HOSE RUPTURING DUE TO THERMOSTAT FAILURE AND FUEL SENSOR WAS BAD CAUSING NOT BEING ABLE TO TO FILL TANK. DEALER SAID NOT UNDER WARRANTY TOOK TO SEPARATE SHOP WHEN IN FACT IT WAS UNDER WARRANTY SO THEN TOOK TO DEALER THEY DO NOT WANT TO EXTEND WARRANTY ON MOTOR FOR POSSIBLE DAMAGE TO THE MOTOR. OVERHEATED TWICE WHILE DRIVING
NHTSA ODI 11374670
Working with the data? Download all 13 complaints as CSV · fetched from NHTSA July 18, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your
pre-purchase inspection list. Back to the
full 2018 Buick Envision verdict →