Based on data from 18 vehicles, 828 fuel-ups and 246,172 miles of driving, the 2003 Cadillac CTS gets a combined Avg MPG of 21.39 with a 0.31 MPG margin of error.

Any Engine Type 3.2L V6 GAS (16) V6 GAS (2) Any Body Style Sedan (6) Any Submodel Luxury Sport (4) Base (12) Other (2)

Below you can see a distribution of the fuel-ups with 55 outliers (6.23%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• CTS

  2003 Cadillac CTS Luxury Sport 3.2L V6 GAS Automatic 5 Speed Sedan
  Added Oct 2017 • 195 Fuel-ups

  Property of ZachM1

• 20.7 Avg MPG

• Cts

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed Sedan
  Added Jan 2020 • 28 Fuel-ups

  Property of dflores81

• 22.9 Avg MPG

• My CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Dec 2022 • 15 Fuel-ups

  Property of blesscarriers

• 17.5 Avg MPG

• Cadillac CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed Sedan
  Added Oct 2017 • 41 Fuel-ups

  Property of jpierce98

• 22.2 Avg MPG

• Cts

  2003 Cadillac CTS 3.2L V6 GAS Manual 5 Speed Sedan
  Added Feb 2023 • 23 Fuel-ups

  Property of mxaxtxt150

• 30.7 Avg MPG

• CTS

  2003 Cadillac CTS Luxury Sport 3.2L V6 GAS Automatic 5 Speed Sedan
  Added Oct 2015 • 132 Fuel-ups

  Property of wyssa

• 21.6 Avg MPG

• CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 35 Fuel-ups

  Property of BHazel

• 24.0 Avg MPG

• My CTS

  2003 Cadillac CTS Luxury Sport 3.2L V6 GAS Standard 5 Speed
  Added May 2018 • 9 Fuel-ups

  Property of solleykendra

• 13.2 Avg MPG

• BLK Caddy

  2003 Cadillac CTS Luxury Sport 3.2L V6 GAS Automatic 5 Speed Sedan
  Added Dec 2017 • 6 Fuel-ups

  Property of Ironranger88

• 20.2 Avg MPG

• Cadillac CTS

  2003 Cadillac CTS 3.2L V6 GAS Standard 5 Speed
  Added Sep 2016 • 197 Fuel-ups

  Property of iamBraga

• 23.3 Avg MPG

• My CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Feb 2017 • 3 Fuel-ups

  Property of dillonciampoli

• 15.4 Avg MPG

• My CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Nov 2016 • 3 Fuel-ups

  Property of ppeterppan

• 17.2 Avg MPG

• My CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Sedan (4 Door)
  Added Aug 2015 • 6 Fuel-ups

  Property of samecook

• 24.9 Avg MPG

• Cadillac CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 9 Fuel-ups

  Property of mikemel

• 85.1 Avg MPG

• 2003 Cadillac CTS

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 112 Fuel-ups

  Property of idealdreams

• 16.5 Avg MPG

• CTS

  2003 Cadillac CTS GAS V6
  Added Dec 2012 • 21 Fuel-ups

  Property of LKcars

• 26.8 Avg MPG

• 03

  2003 Cadillac CTS GAS V6
  Added Nov 2008 • 145 Fuel-ups

  Property of pnut

• 29.7 Avg MPG

• Cadillac

  2003 Cadillac CTS 3.2L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 4 Fuel-ups

  Property of degnext2dr

• 27.6 Avg MPG