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Cadillac CT6

Every model year 2016–2020: recalls, owner complaints, NHTSA crash ratings and EPA efficiency side by side.

YearPowertrainsSafetyRecallsComplaintsCrashBest efficiency
2020GasB211—21 mpg
2019GasD416—28 mpg
2018Plug-in hybridGasB212—25 mpg
2017Plug-in hybridGasB226—26 mpg
2016GasC311—25 mpg

What changed year to year

  • 2020: best combined mpg 28 → 21; 4 → 2 EPA configurations
  • 2019: dropped plug-in hybrid; best combined mpg 25 → 28
  • 2018: best combined mpg 26 → 25
  • 2017: added plug-in hybrid; best combined mpg 25 → 26; 3 → 4 EPA configurations

Best CT6 years to buy used

  1. 2020 — Safety B, 2 recalls, 11 complaints
  2. 2018 — Safety B, 2 recalls, 12 complaints
  3. 2017 — Safety B, 2 recalls, 26 complaints
  4. 2016 — Safety C, 3 recalls, 11 complaints
  5. 2019 — Safety D, 4 recalls, 16 complaints

Ranked by Safety Signal, then fewest complaints. Older years have had more time to accumulate both.