Given their popularity, it is likely to be a surprise to search out the ASCI, or American Customer Satisfaction Index, found GM’s entire brand range to have underperformed quite significantly in its 2026 survey. In comparison with last 12 months, Cadillac’s rating went from 81 to 69 (a 15% drop), GMC dropped 6% (81 to 76), and Chevrolet dropped 5%, going from 79 to 75. Nonetheless, Buick saw probably the most dramatic fall in customer satisfaction scores, going from 81 to 68 — a 16% year-over-year drop. ASCI cites tariffs and a scarcity of EVs as possible reasons.
Leading the mass-market pack is Toyota with a rating of 83, while Subaru trails second despite its rating dropping 5% from last 12 months. Honda, Hyundai, and Kia round out the highest five (in that order), while Ford, Mazda, and Nissan complete the midfield.
Although much of Stellantis remains to be at the underside, similar to in 2025, a few of its portfolio brands have seen improvements, with Ram posting the biggest y-o-y gain of seven% across all brands within the survey, going from 69 to 74. And Jeep, despite selling one among the least satisfying SUVs in 2026, has seen a 3% improvement in its rating versus 2025. While Dodge’s rating of 72 stays unchanged, the identical cannot be said about Chrysler, which, with a 3% drop (from 69 to 67), happens to be the worst-performing amongst all mass-market automobile brands.
Mercedes-Benz tops the luxurious rankings. Nonetheless, except Audi and BMW, all luxury marques have seen their scores go down in comparison with 2025, with Cadillac taking the most important hit, followed by Lexus. Interestingly, because customer experience (CX) benchmarks — including dependability, resale value, gas mileage, and other metrics — showed no y-o-y improvement across the luxurious landscape, the segment’s overall rating seems to have converged with that of the mass-market’s, in line with ASCI.
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