 From the day of delivery, the Hyundai Sonata Hybrid has been nothing but trouble.In order of occurrence:1.Sputters an hesitates violently from 0 - 45mph in any and all conditions.(Hyundai dealer and Hyundai Consumer Affairs say):Get used to it, that's how hybrids perform.The salesman never mentioned that the car will perform like it's running out of gas.2.Intermittent stalling:Car stalls w/o warning in both city and highway traffic.This problem has caused 3 near-miss accidents.(Hyundai response):It didn't stall during a test drive - it's running as expected.3.Extremely poor mileage: 22 highway/19 city.Hyundai says engine needs break-in.Hyundai does not care!!!