Based on data from 41 vehicles, 3,230 fuel-ups and 1,004,580 miles of driving, the 1999 Toyota Avalon gets a combined Avg MPG of 23.00 with a 0.13 MPG margin of error.

Any Engine Type 3.0L V6 GAS (32) V6 GAS (6) Any Body Style Sedan (11) Any Submodel XLS (15) XL (17) Other (9)

Below you can see a distribution of the fuel-ups with 186 outliers (5.44%) removed.

Following shows the average MPG of each of the 41 vehicles in the system.

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• My Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Feb 2025 • 5 Fuel-ups

  Property of zjcws625

• 25.3 Avg MPG

• Avy

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2018 • 38 Fuel-ups

  Property of ditusmr

• 21.1 Avg MPG

• Toyota Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 8 Fuel-ups

  Property of Covcath12

• 19.4 Avg MPG

• Toyota Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added May 2024 • 3 Fuel-ups

  Property of Sanders

• 20.9 Avg MPG

• My Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2019 • 219 Fuel-ups

  Property of campbellnick

• 23.9 Avg MPG

• My Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2021 • 78 Fuel-ups

  Property of Mforse99

• 17.3 Avg MPG

• The Couch

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2023 • 7 Fuel-ups

  Property of BeckettC

• 23.5 Avg MPG

• My Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2023 • 5 Fuel-ups

  Property of warren20

• 17.6 Avg MPG

• Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2025 • 293 Fuel-ups

  Property of mcmackie

• 26.0 Avg MPG

• CAR

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2021 • 13 Fuel-ups

  Property of Lizard928

• 39.0 Avg MPG

• Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2019 • 155 Fuel-ups

  Property of melonielynchgmailcom

• 22.9 Avg MPG

• Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2020 • 222 Fuel-ups

  Property of melonielynchgmailcom

• 23.0 Avg MPG

• Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2017 • 132 Fuel-ups

  Property of tylerjb

• 25.3 Avg MPG

• My Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added May 2017 • 130 Fuel-ups

  Property of MauriceDelTaco

• 23.2 Avg MPG

• Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 100 Fuel-ups

  Property of Roadrnr

• 19.7 Avg MPG

• My Avalon

  1999 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Feb 2017 • 121 Fuel-ups

  Property of cheapt79

• 8.4 Avg MPG

• Jason’s Toyota Avalon XL/XLS

  1999 Toyota Avalon XL/XLS Automatic 4 Speed
  Added Oct 2020 • 4 Fuel-ups

  Property of Medic35

• 70.4 Avg MPG

• Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 17 Fuel-ups

  Property of omen44

• 23.4 Avg MPG

• 99S-Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Feb 2019 • 51 Fuel-ups

  Property of Sienna7

• 27.5 Avg MPG

• 99G-Avalon

  1999 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Feb 2019 • 9 Fuel-ups

  Property of Sienna7

• 51.5 Avg MPG

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