Based on data from 26 vehicles, 1,498 fuel-ups and 323,042 miles of driving, the 1998 GMC Sonoma gets a combined Avg MPG of 17.12 with a 0.23 MPG margin of error.

Any Engine Type 2.2L L4 GAS (7) 4.3L V6 GAS (9) L4 GAS (2) V6 GAS (4) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (2) Any Submodel SL (3) SLE (3) SLS (10) Other (10)

Below you can see a distribution of the fuel-ups with 28 outliers (1.83%) removed.

Following shows the average MPG of each of the 26 vehicles in the system.

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• GMC Sonoma

  1998 GMC Sonoma SLS 2.2L L4 GAS Automatic 4 Speed
  Added Mar 2018 • 146 Fuel-ups

  Property of turbofocus13

• 18.0 Avg MPG

• My Sonoma

  1998 GMC Sonoma SLS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2024 • 10 Fuel-ups

  Property of cvels67

• 16.7 Avg MPG

• My Sonoma

  1998 GMC Sonoma SLE 4.3L V6 GAS Automatic 4 Speed
  Added May 2020 • 73 Fuel-ups

  Property of Vizzie

• 15.1 Avg MPG

• My Sonoma

  1998 GMC Sonoma SLS 2.2L L4 GAS Automatic 4 Speed
  Added Feb 2023 • 22 Fuel-ups

  Property of Mirblewave

• 16.1 Avg MPG

• Indigo

  1998 GMC Sonoma SLS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 296 Fuel-ups

  Property of kellyjo50

• 14.9 Avg MPG

• Truck

  1998 GMC Sonoma SL 2.2L L4 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2021 • 67 Fuel-ups

  Property of Cadiz

• 17.3 Avg MPG

• My Sonoma

  1998 GMC Sonoma SL 4.3L V6 GAS Manual 5 Speed
  Added Nov 2018 • 401 Fuel-ups

  Property of derekur

• 15.6 Avg MPG

• 98 Sonoma

  1998 GMC Sonoma SLS 4.3L V6 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2019 • 34 Fuel-ups

  Property of TomC436

• 26.6 Avg MPG

• Sonoma

  1998 GMC Sonoma SLS 2.2L L4 GAS Manual 5 Speed Standard Cab Pickup
  Added Apr 2019 • 12 Fuel-ups

  Property of busemans

• 20.7 Avg MPG

• Sonoma

  1998 GMC Sonoma SLE 4.3L V6 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2018 • 6 Fuel-ups

  Property of pasjr1972

• 15.4 Avg MPG

• My Sonoma

  1998 GMC Sonoma SLS 4.3L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 10 Fuel-ups

  Property of dtylerjeffery

• 15.8 Avg MPG

• Gmc

  1998 GMC Sonoma SLE 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 24 Fuel-ups

  Property of lilchris

• 16.5 Avg MPG

• GREEN YARD TRUCK

  1998 GMC Sonoma
  Added Feb 2017 • 3 Fuel-ups

  Property of FredsTowing

• 13.2 Avg MPG

• GMC Sonoma

  1998 GMC Sonoma SLS 2.2L L4 GAS Automatic 4 Speed
  Added May 2016 • 26 Fuel-ups

  Property of doggiesnot

• 19.7 Avg MPG

• My Sonoma

  1998 GMC Sonoma SLS 2.2L L4 GAS Automatic 4 Speed
  Added Dec 2015 • 62 Fuel-ups

  Property of zanderboy88

• 18.5 Avg MPG

• sls

  1998 GMC Sonoma SLS 2.2L L4 GAS Standard 5 Speed Standard Cab Pickup
  Added Feb 2013 • 89 Fuel-ups

  Property of blk2000z28

• 21.8 Avg MPG

• Sonoma Pickup

  1998 GMC Sonoma GAS L4
  Added Dec 2009 • 161 Fuel-ups

  Property of SonomaLarry

• 20.7 Avg MPG

• Lil Red

  1998 GMC Sonoma GAS L4
  Added Feb 2012 • 71 Fuel-ups

  Property of monkeyrench

• 24.6 Avg MPG

• Truck

  1998 GMC Sonoma GAS V6
  Added Mar 2014 • 22 Fuel-ups

  Property of DonMac

• 15.7 Avg MPG

• Sonoma

  1998 GMC Sonoma SL 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 34 Fuel-ups

  Property of tlcarol

• 22.4 Avg MPG

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