Battery cooling problems, 12-volt battery failure, and display screens freezing or going blank. Mazda CX-90 PHEV (Score: 20)
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
Reliability trends for 2026 indicate that domestic brands often struggle more with consistency compared to their Asian and European counterparts. Consumer Reports and J.D. Power have highlighted these brands as some of the most problematic: Notable Issues Battery cooling problems
The has received some of the lowest individual vehicle scores, specifically regarding 12-volt battery system failures. Jeep 12-volt battery failure