Based on data from 23 vehicles, 1,088 fuel-ups and 273,990 miles of driving, the 1999 Oldsmobile Alero gets a combined Avg MPG of 23.74 with a 0.23 MPG margin of error.

Any Engine Type 2.4L L4 GAS (5) 3.4L V6 GAS (7) GAS (1) L4 GAS (3) V6 GAS (5) Any Body Style Sedan (2) Coupe (1) Any Submodel GX (1) GLS (4) GL (7) Other (11)

Below you can see a distribution of the fuel-ups with 59 outliers (5.14%) removed.

Following shows the average MPG of each of the 23 vehicles in the system.

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• Scammer Alero

  1999 Oldsmobile Alero GLS 3.4L V6 GAS Automatic 4 Speed Coupe
  Added Nov 2025 • 7 Fuel-ups

  Property of 1QUICKHATCH

• 18.8 Avg MPG

• Z Alero

  1999 Oldsmobile Alero GL 2.4L L4 GAS Automatic 4 Speed
  Added Aug 2016 • 160 Fuel-ups

  Property of toy68403

• 22.9 Avg MPG

• My Alero

  1999 Oldsmobile Alero GL 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 92 Fuel-ups

  Property of BKEC

• 18.5 Avg MPG

• My Alero

  1999 Oldsmobile Alero GLS 3.4L V6 GAS Automatic 4 Speed
  Added Nov 2019 • 26 Fuel-ups

  Property of Tosbor17

• 24.7 Avg MPG

• My Alero

  1999 Oldsmobile Alero GL 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2019 • 6 Fuel-ups

  Property of Quentin1021

• 21.0 Avg MPG

• Faith

  1999 Oldsmobile Alero GX 2.4L L4 GAS Automatic 4 Speed
  Added Nov 2020 • 105 Fuel-ups

  Property of savedbyHisblood85

• 24.7 Avg MPG

• Oldsmobile Alero

  1999 Oldsmobile Alero GLS 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 116 Fuel-ups

  Property of kajust

• 24.1 Avg MPG

• Alero

  1999 Oldsmobile Alero GL 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 282 Fuel-ups

  Property of mrand90706x

• 23.8 Avg MPG

• Alero

  1999 Oldsmobile Alero GAS V6
  Added Mar 2014 • 15 Fuel-ups

  Property of Vwags

• 25.6 Avg MPG

• Violet

  1999 Oldsmobile Alero GL 2.4L GAS L4 Automatic 4
  Added Feb 2014 • 34 Fuel-ups

  Property of Mulberry

• 23.2 Avg MPG

• Alero

  1999 Oldsmobile Alero GL 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 48 Fuel-ups

  Property of wellumok

• 22.0 Avg MPG

• Alero

  1999 Oldsmobile Alero GAS L4
  Added Dec 2011 • 46 Fuel-ups

  Property of lynxmann

• 25.3 Avg MPG

• My fathers Oldmobile

  1999 Oldsmobile Alero GAS V6
  Added Nov 2012 • 16 Fuel-ups

  Property of highspeedhamish

• 18.1 Avg MPG

• Alero

  1999 Oldsmobile Alero GAS L4
  Added Nov 2012 • 16 Fuel-ups

  Property of rowdyred94

• 24.4 Avg MPG

• Red Alero

  1999 Oldsmobile Alero
  Added Mar 2009 • 97 Fuel-ups

  Property of markaeaton

• 26.7 Avg MPG

• 1999 Oldsmobile Alero

  1999 Oldsmobile Alero GAS L4
  Added Apr 2011 • 56 Fuel-ups

  Property of Christato71

• 24.5 Avg MPG

• Alero

  1999 Oldsmobile Alero GAS V6
  Added Apr 2011 • 5 Fuel-ups

  Property of Jroc26

• 29.4 Avg MPG

• Paula's car

  1999 Oldsmobile Alero GL 2.4L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 25 Fuel-ups

  Property of abbysmompaula

• 22.9 Avg MPG

• '99 Olds Alero

  1999 Oldsmobile Alero GLS 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 44 Fuel-ups

  Property of Smittyz28

• 28.1 Avg MPG

• Al

  1999 Oldsmobile Alero GAS V6
  Added Oct 2009 • 9 Fuel-ups

  Property of drummerg217

• 25.9 Avg MPG

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