Based on data from 31 vehicles, 2,013 fuel-ups and 505,279 miles of driving, the 2008 Cadillac CTS gets a combined Avg MPG of 20.53 with a 0.15 MPG margin of error.

Any Engine Type 3.6L V6 GAS (24) V6 GAS (6) Any Body Style Sedan (9) Any Submodel Luxury (6) Base (8) Premium (10) Other (7)

Below you can see a distribution of the fuel-ups with 45 outliers (2.19%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

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• Trinity

  2008 Cadillac CTS Premium 3.6L V6 GAS Manual 6 Speed Sedan
  Added Feb 2025 • 6 Fuel-ups

  Property of 4D4v

• 21.0 Avg MPG

• Storm

  2008 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added Apr 2017 • 29 Fuel-ups

  Property of ajenks

• 15.4 Avg MPG

• Cadillac CTS

  2008 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added Aug 2020 • 48 Fuel-ups

  Property of Thaywood

• 22.1 Avg MPG

• My CTS

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Dec 2015 • 309 Fuel-ups

  Property of schindns

• 20.1 Avg MPG

• 2008 Cadillac CTS

  2008 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 223 Fuel-ups

  Property of Gary45601

• 21.3 Avg MPG

• My new CTS

  2008 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Feb 2023 • 48 Fuel-ups

  Property of Shaun67

• 22.1 Avg MPG

• Night Hawk

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Mar 2017 • 133 Fuel-ups

  Property of thecrusher

• 19.3 Avg MPG

• My CTS

  2008 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added Apr 2021 • 52 Fuel-ups

  Property of kooncejd

• 22.4 Avg MPG

• Lil’ Red

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Jun 2022 • 8 Fuel-ups

  Property of bbanes

• 20.6 Avg MPG

• Caddy

  2008 Cadillac CTS 3.6L V6 GAS Sedan
  Added Mar 2021 • 11 Fuel-ups

  Property of Denisg76

• 16.9 Avg MPG

• Cadillac

  2008 Cadillac CTS Luxury 3.6L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 253 Fuel-ups

  Property of rejoyce

• 20.9 Avg MPG

• Cadillac

  2008 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Nov 2017 • 18 Fuel-ups

  Property of DragonRuins

• 22.3 Avg MPG

• My CTS

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added May 2021 • 3 Fuel-ups

  Property of krux419

• 12.5 Avg MPG

• Cts

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Feb 2019 • 86 Fuel-ups

  Property of dougk666

• 21.5 Avg MPG

• My CTS

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed
  Added Nov 2019 • 3 Fuel-ups

  Property of levif

• 18.1 Avg MPG

• CTS

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Feb 2020 • 8 Fuel-ups

  Property of firechicken37

• 14.9 Avg MPG

• My CTS

  2008 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed
  Added Mar 2018 • 38 Fuel-ups

  Property of majormr3

• 21.2 Avg MPG

• Ash's CTS

  2008 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 79 Fuel-ups

  Property of AshleyN

• 17.1 Avg MPG

• CTS

  2008 Cadillac CTS Premium 3.6L V6 GAS Automatic 6 Speed Sedan
  Added Mar 2017 • 10 Fuel-ups

  Property of KBHumphrey

• 22.5 Avg MPG

• Cadillac CTS 4

  2008 Cadillac CTS 3.6L V6 GAS Automatic 6 Speed Sedan
  Added May 2018 • 98 Fuel-ups

  Property of jraveed

• 22.3 Avg MPG

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