{"id":"2018_cadillac_ct6","make":"Cadillac","make_slug":"cadillac","model":"CT6","model_slug":"ct6","year":2018,"url":"/cadillac/ct6/2018/","pts":["phev","gas"],"configs":[{"id":39767,"model":"CT6 Plug-In","pt":"phev","drive":"Rear-Wheel Drive","trany":"Automatic (variable gear ratios)","cyl":4,"displ":2.0,"eng":"SIDI; PHEV","turbo":true,"super":false,"start_stop":true,"city":23,"hwy":29,"comb":25,"cityA":56,"hwyA":71,"combA":62,"kwh100":54.0,"range":null,"range_city":null,"range_hwy":null,"erange":31.0,"phev_comb":39,"charge240":4.5,"charge240b":0.0,"charger":"","charger_b":"","motor":"59 and 61 kW 3-Phase AC","fuel":"Premium and Electricity","vclass":"Midsize Cars","co2":144,"fe_score":9,"ghg_score":10,"fuel_cost":3100,"save_spend":1250,"guzzler":false,"mfr_code":"GMX","modified":"Thu Oct 19 00:00:00 EDT 2023"},{"id":38976,"model":"CT6","pt":"gas","drive":"Rear-Wheel Drive","trany":"Automatic (S8)","cyl":4,"displ":2.0,"eng":"SIDI","turbo":true,"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":"Premium","vclass":"Large Cars","co2":360,"fe_score":5,"ghg_score":5,"fuel_cost":3100,"save_spend":-4250,"guzzler":false,"mfr_code":"GMX","modified":"Thu Sep 21 00:00:00 EDT 2017"},{"id":38644,"model":"CT6 AWD","pt":"gas","drive":"All-Wheel Drive","trany":"Automatic (S8)","cyl":6,"displ":3.0,"eng":"SIDI","turbo":true,"super":false,"start_stop":true,"city":18,"hwy":26,"comb":21,"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":"Premium","vclass":"Large Cars","co2":424,"fe_score":4,"ghg_score":4,"fuel_cost":3700,"save_spend":-7250,"guzzler":false,"mfr_code":"GMX","modified":"Thu Sep 21 00:00:00 EDT 2017"},{"id":38940,"model":"CT6 AWD","pt":"gas","drive":"All-Wheel Drive","trany":"Automatic (S8)","cyl":6,"displ":3.6,"eng":"SIDI","turbo":false,"super":false,"start_stop":true,"city":18,"hwy":27,"comb":21,"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":416,"fe_score":4,"ghg_score":4,"fuel_cost":2950,"save_spend":-3500,"guzzler":false,"mfr_code":"GMX","modified":"Thu Sep 21 00:00:00 EDT 2017"}],"vclass":"Large Cars","segment":"Large car","recalls":[{"campaign":"18V673000","component":"SEAT BELTS:REAR/OTHER","mfr":"General Motors LLC","reported":"2018-09-26","owner_notified":"2018-11-07","units":15800,"summary":"General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles.  Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, \"Occupant Crash Protection.\"","consequence":"If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.","remedy":"GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge.  The recall began November 7, 2018.  Owners may contact 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 18315.","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":"18315","initiated_by":"MFR","variants":["phev"],"severity":"high"},{"campaign":"18V437000","component":"SEATS:MID/REAR ASSEMBLY","mfr":"General Motors LLC","reported":"2018-06-28","owner_notified":"2018-08-03","units":22043,"summary":"General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles.  The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat.  As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, \"Child Restraint Anchorage Systems.\"","consequence":"If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.","remedy":"GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge.  The recall began August 3, 2018.  Owners may contact Cadillac customer service at 1-800-458-8006.  GM's number for this recall is 18228.","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":"18228","initiated_by":"MFR","variants":["phev"],"severity":"high"}],"recall_count":2,"critical_count":0,"park_outside":false,"do_not_drive":false,"score":84,"grade":"B","complaints":{"count":12,"crash":0,"fire":0,"injured":0,"deaths":0,"comps":[["Power Train",4],["Engine",4],["Steering",3],["Fuel/Propulsion System",2],["Electrical System",1],["Electronic Stability Control (Esc)",1]],"by_year":{"2018":1,"2020":2,"2021":2,"2023":2,"2024":1,"2025":1,"2026":3},"excerpts":[["2026-08-07","Fuel/Propulsion System","During refueling the gas station pumping nozzle would shut off indicating a full gasoline fuel tank; but, the dash board fuel gage indicated the fuel was not full. Had to dribble in fuel to fill. Dealer Mechanic found: Crash roll over gasoline vent safety valve was stuck in the crashed roll over cut off state. No gas t\u2026"],["2026-08-07","Power Train","When vehicle was purchased new there was a slight bearing wear noise at the front driver side, which grew louder with years. Noise synchronized with tire rolling rpm. Replacing (my self) front trans axle, the brake pads, shaving rotors, & wheel hub bearing did not fix noise. Next; Dealer shop reported that the AWD fron\u2026"],["2026-06-23","Engine","Stuck Thermostat. Vehicle not achieving operating temperature in the correct time. ALL 3 of the people I know with CT-6's had the exact same issue this year."]]},"investigations":[],"ncap":[],"popularity":999,"headline":{"range":null,"mpg":25,"ncap":null,"complaints":12},"presskit_trims":[],"generated_at":"2026-09-11 02:56 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}