2009 Cadillac STS MPG

Based on data from 2 vehicles, 328 fuel-ups and 89,236 miles of driving, the 2009 Cadillac STS gets a combined Avg MPG of 19.94 with a 0.30 MPG margin of error.

Below you can see a distribution of the fuel-ups with 2 outliers (0.61%) removed.

2009 Cadillac STSs For Sale Nearby

  • My STS

    2009 Cadillac STS 3.6L V6 GAS Automatic 6 Speed
    Added Oct 2015 • 166 Fuel-ups

    Property of megamiler1

  • 21.7 Avg MPG
  • STS

    2009 Cadillac STS Platinum 4.6L V8 GAS Automatic 6 Speed Sedan
    Added Jul 2014 • 167 Fuel-ups

    Property of mjkubba

  • 18.6 Avg MPG

Recent Activity

from other Cadillac STS vehicles (View All)


New air filters don't change MPG

Contrary to popular belief, especially what you'll hear from... ...

by Hexadecimus

Read more tips