Based on data from 18 vehicles, 1,170 fuel-ups and 372,320 miles of driving, the 2002 Cadillac DeVille gets a combined Avg MPG of 21.33 with a 0.26 MPG margin of error.

Any Engine Type 4.6L V8 GAS (14) V8 GAS (4) Any Body Style Sedan (6) Coupe (1) Any Submodel DHS (2) DTS (2) Base (10) Other (4)

Below you can see a distribution of the fuel-ups with 16 outliers (1.35%) removed.

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

• Cadillac

  2002 Cadillac DeVille 4,6L V8 GAS Automatic 4 Speed Sedan
  Added Apr 2018 • 180 Fuel-ups

  Property of dekkanar

• 20.5 Avg MPG

• My DeVille

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed
  Added Oct 2022 • 7 Fuel-ups

  Property of boomertsfx

• 18.0 Avg MPG

• My Caddy

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed
  Added Mar 2019 • 52 Fuel-ups

  Property of Gfab912

• 23.2 Avg MPG

• My DeVille

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 111 Fuel-ups

  Property of Creg036

• 18.0 Avg MPG

• Persia

  2002 Cadillac DeVille DTS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added May 2021 • 4 Fuel-ups

  Property of veesicz

• 22.2 Avg MPG

• My DeVille

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 7 Fuel-ups

  Property of tcm8896

• 17.2 Avg MPG

• Caddy First Born

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Feb 2021 • 95 Fuel-ups

  Property of truman280

• 17.9 Avg MPG

• Cady

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Oct 2019 • 6 Fuel-ups

  Property of Mdc3579

• 20.5 Avg MPG

• My DeVille

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed
  Added Jan 2018 • 11 Fuel-ups

  Property of whited15

• 20.5 Avg MPG

• My Caddy

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Speed Coupe
  Added Sep 2008 • 302 Fuel-ups

  Property of r5golden

• 24.4 Avg MPG

• 2002 Deville

  2002 Cadillac DeVille GAS V8
  Added Aug 2012 • 20 Fuel-ups

  Property of Ecreek66

• 19.8 Avg MPG

• 2002 Cadillac

  2002 Cadillac DeVille 4.6L V8 GAS Automatic 4 Sedan (4 Door)
  Added Aug 2014 • 75 Fuel-ups

  Property of fireman591

• 19.1 Avg MPG

• Dehlores

  2002 Cadillac DeVille DHS 4.6L V8 GAS Automatic 4 Speed
  Added Dec 2015 • 15 Fuel-ups

  Property of Rich1

• 17.2 Avg MPG

• Cadillac

  2002 Cadillac DeVille DHS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Nov 2015 • 85 Fuel-ups

  Property of speelerr

• 20.4 Avg MPG

• The Caddy

  2002 Cadillac DeVille GAS V8
  Added Oct 2013 • 20 Fuel-ups

  Property of potemcam

• 19.4 Avg MPG

• Deville

  2002 Cadillac DeVille DTS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Jun 2018 • 3 Fuel-ups

  Property of bleudevil77

• 20.5 Avg MPG

• Cadi

  2002 Cadillac DeVille GAS V8
  Added Jun 2009 • 6 Fuel-ups

  Property of agw

• 21.5 Avg MPG

• 2002 Cadillac DeVille DHS

  2002 Cadillac DeVille GAS V8
  Added Mar 2009 • 237 Fuel-ups

  Property of MWaldo

• 23.5 Avg MPG