BYD's plug-in hybrid technology has a proven track record of reliability, cementing this model as one of the most reliable hybrid cars among Chinese electric cars. Its high-voltage battery is backed by an 8-year or 150,000-kilometer warranty. Key routine maintenance includes regular inspections of hybrid system components, engine oil changes every 5,000-10,000 kilometers, periodic battery health checks, and monitoring for any common problems that may arise. Used car parts for this model are widely available at reasonable prices, and used units often come with short-term warranty coverage from trusted used car dealers to ensure vehicle condition, helping keep maintenance cost manageable for owners who buy used cars.