Worst Cars — To Buy

Premature timing chain failure, slipping transmissions, and steering rack issues. Kia EV9 (Score: 24)

Electric motor and battery malfunctions, and integrated charging control unit (ICCU) issues. Honda Prologue (Score: 25)

EV battery and motor failures, climate system malfunctions, and faulty body hardware like electric door handles. Chevrolet Blazer EV (Score: 19) worst cars to buy

Battery cooling problems, 12-volt battery failure, and display screens freezing or going blank. Mazda CX-90 PHEV (Score: 20)

Full battery pack replacements, charging system failures, and windshield trim pieces detaching. Mazda CX-90 (Gas) (Score: 23) Chevrolet Blazer EV (Score: 19) Battery cooling problems,

Transmission fluid leaks, full transmission replacements, brake issues, and electrical glitches. Rivian R1T (Score: 18)

Hybrid battery and motor malfunctions, transmission issues, and fuel system problems. Genesis GV60 (Score: 21) Rivian R1T (Score: 18) Hybrid battery and motor

Current reliability data for 2026 suggests that while many vehicles offer advanced technology and performance, several models are facing significant challenges. According to Consumer Reports , some of the least reliable vehicles on the market include the , Rivian R1T , and the Chevrolet Blazer EV . Top 10 Least Reliable Models for 2026