When considering if a used hybrid car like the 2020 Denza X PHEV is reliable, it’s important to note it comes with an 8-year/150,000 km original factory warranty covering key components like the powertrain. According to owner feedback, some common problems reported include occasional charging system faults, brake noise or pad detachment, steering rattling during low-speed turns, and temporary malfunctions in ADAS features (such as lane keeping assist or collision warnings). Staying on top of maintenance cost by regularly servicing the battery system, brake components, and suspension bushings can help maintain long-term reliability, making it a worth buying option for those seeking used Chinese electric cars.