Based on data from 123 vehicles, 9,863 fuel-ups and 3,072,342 miles of driving, the 2012 Ram 3500 gets a combined Avg MPG of 11.92 with a 0.07 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.7L L6 DIESEL (83) GAS (4) L6 DIESEL (30) Any Body Style Extended Cab Pickup (1) Crew Cab Pickup (19) Extended Crew Cab Pickup (8) Any Submodel ST (5) SLT (19) Laramie Longhorn (29) Laramie (33) Other (37)

Below you can see a distribution of the fuel-ups with 162 outliers (1.62%) removed.

Following shows the average MPG of each of the 123 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 • 57 Fuel-ups

  Property of ahopper

• 10.9 Avg MPG

• My 3500 mega cab

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2017 • 344 Fuel-ups

  Property of goater

• 11.6 Avg MPG

• 2012 Ram 3500

  2012 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2018 • 54 Fuel-ups

  Property of Confused

• 11.8 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2019 • 55 Fuel-ups

  Property of steelram3500

• 12.7 Avg MPG

• Ole Bessie

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 76 Fuel-ups

  Property of sailormanrice

• 13.3 Avg MPG

• ram truck

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2017 • 324 Fuel-ups

  Property of Philippe87

• 14.9 Avg MPG

• blue ram

  2012 Ram 3500 ST 6.7L L6 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Jul 2012 • 297 Fuel-ups

  Property of yfz350guy

• 12.9 Avg MPG

• 2012 Dodge Ram 3500 HD

  2012 Ram 3500 Service Truck
  Added Mar 2017 • 92 Fuel-ups

  Property of ArcticMania

• 9.2 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

• Family Truckster

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2019 • 86 Fuel-ups

  Property of Arzie

• 16.5 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

• Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 253 Fuel-ups

  Property of carsnerc

• 14.0 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 324 Fuel-ups

  Property of brandonjansen

• 14.5 Avg MPG

• Ram 3500 Laramie

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 204 Fuel-ups

  Property of yemx8541

• 12.7 Avg MPG

• Longhorn Truck

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 247 Fuel-ups

  Property of mopar75028

• 11.3 Avg MPG

• Ram 3500 Mega

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2016 • 253 Fuel-ups

  Property of Luckyhat12

• 11.0 Avg MPG

• MegaCab

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic Dual Clutch 6 Speed Extended Crew Cab Pickup
  Added Feb 2016 • 250 Fuel-ups

  Property of thefarmerslife

• 11.8 Avg MPG

• Truck

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2016 • 137 Fuel-ups

  Property of gilly24

• 16.4 Avg MPG

• 12 Ram

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2018 • 83 Fuel-ups

  Property of tntmachine

• 9.1 Avg MPG

• The Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2013 • 160 Fuel-ups

  Property of austinthedieseltech

• 16.9 Avg MPG

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