Based on data from 147 vehicles, 12,112 fuel-ups and 3,769,897 miles of driving, the 2012 Ram 3500 gets a combined Avg MPG of 12.14 with a 0.06 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.7L L6 DIESEL (105) GAS (4) L6 DIESEL (31) Any Body Style Extended Cab Pickup (1) Crew Cab Pickup (28) Extended Crew Cab Pickup (7) Any Submodel ST (8) SLT (26) Laramie Longhorn (29) Laramie (46) Other (38)

Below you can see a distribution of the fuel-ups with 139 outliers (1.13%) removed.

Following shows the average MPG of each of the 147 vehicles in the system.

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• My 3500

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2019 • 60 Fuel-ups

  Property of Grew72

• 14.1 Avg MPG

• XP RAM

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2012 • 200 Fuel-ups

  Property of XP

• 12.6 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2018 • 167 Fuel-ups

  Property of Tj67

• 14.2 Avg MPG

• Tbd

  2012 Ram 3500 Laramie
  Added Mar 2022 • 20 Fuel-ups

  Property of LaMoparPower

• 14.1 Avg MPG

• Ole Bessie

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 157 Fuel-ups

  Property of sailormanrice

• 14.0 Avg MPG

• The Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2013 • 182 Fuel-ups

  Property of austinthedieseltech

• 17.0 Avg MPG

• New New Hotness

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2021 • 4 Fuel-ups

  Property of SnuffThePunkz

• 11.7 Avg MPG

• Ram 3500 ST

  2012 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2022 • 4 Fuel-ups

  Property of olreliable

• 13.0 Avg MPG

• My 3500

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2022 • 3 Fuel-ups

  Property of connor367

• 16.0 Avg MPG

• Black Truck

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2018 • 71 Fuel-ups

  Property of r4auto

• 12.6 Avg MPG

• Ram

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 19 Fuel-ups

  Property of domiboyz

• 11.9 Avg MPG

• My 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2021 • 11 Fuel-ups

  Property of iamjk2

• 11.7 Avg MPG

• Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Apr 2021 • 4 Fuel-ups

  Property of Badirren

• 12.2 Avg MPG

• 2012 Ram 3500

  2012 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2018 • 62 Fuel-ups

  Property of Confused

• 11.7 Avg MPG

• blue ram

  2012 Ram 3500 ST 6.7L L6 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Jul 2012 • 305 Fuel-ups

  Property of yfz350guy

• 12.9 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2021 • 4 Fuel-ups

  Property of jamnja

• 13.0 Avg MPG

• My 3500 mega cab

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2017 • 351 Fuel-ups

  Property of goater

• 11.7 Avg MPG

• 2012 White Mega Cab 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Oct 2014 • 175 Fuel-ups

  Property of SoonerFan

• 9.4 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2019 • 362 Fuel-ups

  Property of carpsy80

• 13.6 Avg MPG

• 3500 Ram in MT (SRW)

  2012 Ram 3500 Laramie 6.7L DIESEL L6 Automatic 6 Crew Cab Pickup (4 Door)
  Added Nov 2014 • 230 Fuel-ups

  Property of PWagon

• 12.7 Avg MPG

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