{"id":"2020_chevrolet_impala","make":"Chevrolet","make_slug":"chevrolet","model":"Impala","model_slug":"impala","year":2020,"url":"/chevrolet/impala/2020/","pts":["gas"],"configs":[{"id":41745,"model":"Impala","pt":"gas","drive":"Front-Wheel Drive","trany":"Automatic (S6)","cyl":6,"displ":3.6,"eng":"SIDI","turbo":false,"super":false,"start_stop":false,"city":19,"hwy":28,"comb":22,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Regular","vclass":"Large Cars","co2":406,"fe_score":4,"ghg_score":4,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"GMX","modified":"Wed Nov 27 00:00:00 EST 2019"},{"id":41746,"model":"Impala","pt":"gas","drive":"Front-Wheel Drive","trany":"Automatic (S6)","cyl":6,"displ":3.6,"eng":"SIDI; FFV","turbo":false,"super":false,"start_stop":false,"city":18,"hwy":28,"comb":22,"cityA":14,"hwyA":20,"combA":16,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"","fuel":"Gasoline or E85","vclass":"Large Cars","co2":411,"fe_score":4,"ghg_score":4,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"GMX","modified":"Wed Nov 27 00:00:00 EST 2019"}],"vclass":"Large Cars","segment":"Large car","epa_certified":true,"recalls":[],"recall_count":0,"critical_count":0,"park_outside":false,"do_not_drive":false,"score":100,"grade":"A","complaints":{"count":15,"crash":3,"fire":0,"injured":1,"deaths":0,"comps":[["Unspecified",7],["Electrical System",3],["Steering",3],["Air Bags",2],["Fuel/Propulsion System",2],["Power Train",2]],"by_year":{"2021":2,"2022":2,"2023":1,"2024":4,"2025":4,"2026":2},"excerpts":[["2026-06-16","Fuel/Propulsion System","The component is the Evaporative Emission Control System (EVAP) Vapor Canister Purge Valve.The internal diaphragm or solenoid of the factory-installed purge valve has worn out prematurely or became contaminated, locking it permanently into a stuck-open position.The Manifestation or (Symptoms): The stuck-open valve cont\u2026"],["2025-09-07","Seat Belts","Seatbelt warning and blinkers have no sound warnings and driver side blind spot warning are not working"],["2025-08-11","Steering","2020 Chevrolet Impala Premier purchased July, 2015, mileage: + or - 12 miles I started having hard steering and made several trips to the dealer while under warranty and the dealer could not gen an OBD reading and no on dash reading. Right after the warranty was up and at 5,322 miles they were able to get an OBD readin\u2026"]]},"investigations":[],"ncap":[{"desc":"4 DR FWD","overall":5,"frontal":5,"side":5,"rollover":4,"rollover_risk":0.121,"seats":5,"fcw":"Optional","ldw":"Optional","aeb":"No","esc":"","backup_cam":"","variant":null}],"popularity":999,"headline":{"range":null,"mpg":22,"ncap":5,"complaints":15},"presskit_trims":[],"generated_at":"2026-09-11 06:27 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}