Based on data from 32 vehicles, 3,321 fuel-ups and 765,324 miles of driving, the 2009 Cadillac CTS gets a combined Avg MPG of 17.87 with a 0.14 MPG margin of error.

Any Engine Type 3.6L V6 GAS (17) 6.2L V8 GAS (9) V6 GAS (3) V8 GAS (2) Any Body Style Sedan (11) Any Submodel Luxury (4) Base (5) Premium (8) V (9) Other (6)

Below you can see a distribution of the fuel-ups with 47 outliers (1.40%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• My CTS

  2009 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed
  Added Dec 2024 • 75 Fuel-ups

  Property of bambambfc

• 23.3 Avg MPG

• CTS

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Apr 2025 • 37 Fuel-ups

  Property of kpoage

• 21.3 Avg MPG

• Cadillac

  2009 Cadillac CTS 3.6L V6 GAS Sedan
  Added Sep 2017 • 654 Fuel-ups

  Property of faouzihayeck

• 17.0 Avg MPG

• Hennessy V

  2009 Cadillac CTS V 6.2L V8 GAS Automatic 6 Speed Sedan
  Added Dec 2023 • 54 Fuel-ups

  Property of gulas47

• 14.2 Avg MPG

• 2009 CTS

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Dec 2017 • 6 Fuel-ups

  Property of piloteiser

• 18.0 Avg MPG

• Cadillac CTS

  2009 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Jul 2024 • 344 Fuel-ups

  Property of RogerBerridge

• 17.9 Avg MPG

• My CTS

  2009 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added May 2020 • 39 Fuel-ups

  Property of Cody5924

• 16.8 Avg MPG

• My CTS V

  2009 Cadillac CTS V 6.2L V8 GAS Automatic 6 Speed
  Added Aug 2022 • 31 Fuel-ups

  Property of Mekrunner

• 14.3 Avg MPG

• CTS

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Mar 2014 • 266 Fuel-ups

  Property of CH47F

• 19.6 Avg MPG

• Cadillac

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 43 Fuel-ups

  Property of duraace90

• 35.4 Avg MPG

• My CTS

  2009 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed
  Added Jul 2021 • 8 Fuel-ups

  Property of jbn321

• 18.0 Avg MPG

• CTS-V

  2009 Cadillac CTS V 6.2L V8 GAS Automatic 6 Speed Sedan
  Added Jan 2018 • 109 Fuel-ups

  Property of Schmoops

• 13.7 Avg MPG

• Z - 09 Cadillac CTS

  2009 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added May 2018 • 43 Fuel-ups

  Property of tbspangler

• 52.4 Avg MPG

• Cts

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 319 Fuel-ups

  Property of jmasih

• 17.2 Avg MPG

• My CTS

  2009 Cadillac CTS V 6.2L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 12 Fuel-ups

  Property of tritonaquatic

• 20.9 Avg MPG

• CTSV

  2009 Cadillac CTS V 6.2L V8 GAS Automatic 6 Speed Sedan
  Added Nov 2019 • 9 Fuel-ups

  Property of loweredd

• 11.8 Avg MPG

• D's Caddy

  2009 Cadillac CTS Custom Submodel
  Added Jun 2013 • 337 Fuel-ups

  Property of corvettekid82

• 22.5 Avg MPG

• CTS 3.6 DI 6M

  2009 Cadillac CTS 3.6L V6 GAS Standard 6 Speed
  Added Apr 2018 • 16 Fuel-ups

  Property of Blaquer

• 19.8 Avg MPG

• 2009 CTS-V Sedan

  2009 Cadillac CTS V 6.2L V8 GAS Standard 6 Speed Sedan
  Added Feb 2018 • 5 Fuel-ups

  Property of gulas47

• 18.1 Avg MPG

• Z.Cadillac

  2009 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Oct 2017 • 71 Fuel-ups

  Property of c89dan

• 19.0 Avg MPG

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