{"id":"2018_chevrolet_impala","make":"Chevrolet","make_slug":"chevrolet","model":"Impala","model_slug":"impala","year":2018,"url":"/chevrolet/impala/2018/","pts":["gas"],"configs":[{"id":38823,"model":"Impala","pt":"gas","drive":"Front-Wheel Drive","trany":"Automatic (S6)","cyl":4,"displ":2.5,"eng":"SIDI","turbo":false,"super":false,"start_stop":true,"city":22,"hwy":30,"comb":25,"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":360,"fe_score":5,"ghg_score":5,"fuel_cost":2500,"save_spend":-1250,"guzzler":false,"mfr_code":"GMX","modified":"Wed Jan 24 00:00:00 EST 2018"},{"id":38824,"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":409,"fe_score":4,"ghg_score":4,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"GMX","modified":"Wed Jan 24 00:00:00 EST 2018"},{"id":38825,"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":404,"fe_score":4,"ghg_score":4,"fuel_cost":2850,"save_spend":-3000,"guzzler":false,"mfr_code":"GMX","modified":"Wed Jan 24 00:00:00 EST 2018"}],"vclass":"Large Cars","segment":"Large car","epa_certified":true,"recalls":[{"campaign":"18V576000","component":"SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER","mfr":"General Motors LLC","reported":"2018-08-30","owner_notified":"2018-10-11","units":210628,"summary":"General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.","consequence":"A reduction of braking performance can increase the risk of a crash.","remedy":"GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge.  The recall began October 11, 2018.  Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782.  GM's number for this recall is 18279.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"18279","initiated_by":"MFR","variants":[],"severity":"high"}],"recall_count":1,"critical_count":0,"park_outside":false,"do_not_drive":false,"score":92,"grade":"A","complaints":{"count":59,"crash":6,"fire":0,"injured":2,"deaths":0,"comps":[["Unspecified",16],["Electrical System",11],["Power Train",11],["Steering",8],["Engine",7],["Service Brakes",7]],"by_year":{"2017":1,"2018":5,"2019":10,"2020":12,"2021":6,"2022":6,"2023":5,"2024":6,"2025":5,"2026":3},"excerpts":[["2025-08-04","Service Brakes, Hydraulic","The contact owns a 2018 Chevrolet Impala. The contact stated while reversing slowly, the brake pedal was depressed; however, the vehicle failed to respond as needed and continued rolling backwards. The contact stated that excessive force was needed to depress the brake pedal to stop the vehicle. The contact stopped and\u2026"],["2025-02-24","Power Train","The contact owns a 2018 Chevrolet Malibu. The contact stated that while driving at various speeds, the vehicle hesitated or jerked while depressing the accelerator pedal, with an abnormal humming sound coming from the vehicle. The contact stated that the check engine warning light was illuminated. Additionally, the con\u2026"],["2025-01-29","Steering","The contact owns a 2018 Chevrolet Impala. The contact stated that while attempting to straighten the wheels while in the driveway, the contact discovered that the steering wheel was inoperable. No warning light was illuminated. The contact stated that a dealer was contacted. The vehicle was taken to the dealer to be di\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":25,"ncap":5,"complaints":59},"presskit_trims":[],"generated_at":"2026-09-11 06:27 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}