To Buy — Top Cars Not

: Holds the record-low reliability score of 14/100 .

: Scores an 18/100 , often cited as the least reliable EV. Chevrolet Blazer EV : Scores 19/100 . Mazda CX-90 Plug-in Hybrid : Scores 20/100 . Genesis GV60 : Scores 21/100 . Mazda CX-90 (Gas) : Scores 23/100 . Kia EV9 : Scores 24/100 . Kia EV6 : Scores 25/100 . Honda Prologue : Scores 25/100 . Chrysler Pacifica Hybrid : Scores 26/100 . Brands with Chronic Issues top cars not to buy

This brand makes the least reliable cars for 2026, according to J.D. Power : Holds the record-low reliability score of 14/100

Based on owner surveys of nearly 400,000 vehicles, Consumer Reports identified these ten models as the most likely to cause headaches: Mazda CX-90 Plug-in Hybrid : Scores 20/100

When shopping for a vehicle in 2026, experts from Consumer Reports and J.D. Power suggest that "new" does not always mean "trouble-free." The current automotive landscape shows a significant trend: electrified vehicles (EVs and PHEVs) average than traditional gas-powered cars.

Beyond individual models, certain brands have consistently low marks across their entire lineups.

Below are the top cars and brands to avoid in 2026 based on the latest reliability and maintenance data.