Based on data from 148 vehicles, 12,163 fuel-ups and 3,787,588 miles of driving, the 2012 Ram 3500 gets a combined Avg MPG of 12.15 with a 0.06 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.7L L6 DIESEL (106) 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 (47) Other (38)

Below you can see a distribution of the fuel-ups with 175 outliers (1.42%) removed.

Following shows the average MPG of each of the 148 vehicles in the system.

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• My 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2020 • 226 Fuel-ups

  Property of ahopper

• 11.8 Avg MPG

• RAM 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 87 Fuel-ups

  Property of jrollf

• 10.1 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 82 Fuel-ups

  Property of mserene02

• 11.7 Avg MPG

• My 3500

  2012 Ram 3500 ST 6.7L L6 DIESEL Manual 6 Speed
  Added Aug 2024 • 45 Fuel-ups

  Property of Jmaker

• 13.6 Avg MPG

• My Dually

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2025 • 3 Fuel-ups

  Property of Coho_One

• 11.6 Avg MPG

• Ram

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Feb 2024 • 118 Fuel-ups

  Property of Mysticality

• 14.3 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2019 • 152 Fuel-ups

  Property of steelram3500

• 12.2 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 492 Fuel-ups

  Property of brandonjansen

• 14.4 Avg MPG

• RAM 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 429 Fuel-ups

  Property of Helowings60

• 13.1 Avg MPG

• BWB 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2022 • 140 Fuel-ups

  Property of sefurd

• 14.9 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 123 Fuel-ups

  Property of n8sarmstrong

• 14.6 Avg MPG

• 2012 Dodge Ram 3500 HD

  2012 Ram 3500 Service Truck
  Added Mar 2017 • 273 Fuel-ups

  Property of ArcticMania

• 9.0 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Manual 6 Speed
  Added Jun 2023 • 58 Fuel-ups

  Property of McCarley

• 16.6 Avg MPG

• Beastie

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2020 • 236 Fuel-ups

  Property of Earl73

• 11.3 Avg MPG

• My 3500

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2024 • 41 Fuel-ups

  Property of Trav-Hasse

• 11.8 Avg MPG

• Ram 3500 Mega

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2016 • 477 Fuel-ups

  Property of Luckyhat12

• 11.3 Avg MPG

• Dodge Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL
  Added Feb 2017 • 248 Fuel-ups

  Property of Fsuchick

• 10.5 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2022 • 143 Fuel-ups

  Property of Jhansen312

• 12.7 Avg MPG

• Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 373 Fuel-ups

  Property of carsnerc

• 14.2 Avg MPG

• Wampa One

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2024 • 15 Fuel-ups

  Property of MasterLow

• 13.5 Avg MPG

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