Based on data from 45 vehicles, 4,541 fuel-ups and 1,458,781 miles of driving, the 2015 Chevrolet Impala gets a combined Avg MPG of 23.49 with a 0.15 MPG margin of error.

Any Engine Type 2.5L L4 GAS (11) 3.6L V6 BI-FUEL (1) 3.6L V6 FLEX (33) Any Body Style Sedan (24) Any Submodel LS (3) LT (20) LTZ (22)

Below you can see a distribution of the fuel-ups with 62 outliers (1.35%) removed.

Following shows the average MPG of each of the 45 vehicles in the system.

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• Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed
  Added Apr 2017 • 56 Fuel-ups

  Property of deebunch

• 25.1 Avg MPG

• Impala

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Jul 2021 • 5 Fuel-ups

  Property of tangent70

• 15.2 Avg MPG

• Chevy Malibu

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Mar 2021 • 5 Fuel-ups

  Property of tangent70

• 15.8 Avg MPG

• Guinevere

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Jan 2016 • 137 Fuel-ups

  Property of ChevyGuy454

• 24.1 Avg MPG

• 2015

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Nov 2018 • 242 Fuel-ups

  Property of swg1965

• 22.6 Avg MPG

• My Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed
  Added Jun 2019 • 20 Fuel-ups

  Property of DDSJ

• 21.8 Avg MPG

• My Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed
  Added Dec 2018 • 18 Fuel-ups

  Property of MikeD25

• 26.3 Avg MPG

• 2015 Impala

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed
  Added Apr 2017 • 148 Fuel-ups

  Property of ChaseEmDown

• 21.0 Avg MPG

• Mom's Red Rocket

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Nov 2018 • 4 Fuel-ups

  Property of Insixdays6

• 26.5 Avg MPG

• Dancer

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed
  Added Sep 2016 • 99 Fuel-ups

  Property of RawDogg

• 20.8 Avg MPG

• 2015 Impala

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed
  Added Sep 2016 • 90 Fuel-ups

  Property of Alexsis1

• 18.9 Avg MPG

• 2015 Impala

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed
  Added Feb 2018 • 40 Fuel-ups

  Property of seawolfxix

• 26.8 Avg MPG

• Impala 2LT

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Mar 2019 • 137 Fuel-ups

  Property of JOlson

• 19.2 Avg MPG

• ER Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Nov 2017 • 23 Fuel-ups

  Property of Warhatchet

• 28.0 Avg MPG

• My Impala

  2015 Chevrolet Impala LS 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 6 Fuel-ups

  Property of Diamond10

• 25.9 Avg MPG

• 2015 Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Oct 2017 • 118 Fuel-ups

  Property of pdubz

• 22.7 Avg MPG

• My Impala

  2015 Chevrolet Impala LT 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 3 Fuel-ups

  Property of tmoatic

• 48.4 Avg MPG

• Impala

  2015 Chevrolet Impala LTZ 3.6L V6 FLEX Automatic 6 Speed Sedan
  Added Sep 2015 • 52 Fuel-ups

  Property of paulhga

• 23.8 Avg MPG

• My Impala

  2015 Chevrolet Impala LT 3.6L V6 FLEX Automatic 6 Speed
  Added Dec 2016 • 4 Fuel-ups

  Property of johntlee483

• 17.6 Avg MPG

• Impala LTZ

  2015 Chevrolet Impala LTZ 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jan 2016 • 55 Fuel-ups

  Property of tl17

• 27.9 Avg MPG

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