Based on data from 152 vehicles, 13,204 fuel-ups and 4,158,345 miles of driving, the 2012 Ram 3500 gets a combined Avg MPG of 12.27 with a 0.06 MPG margin of error.

Any Engine Type 5.7L V8 GAS (1) 6.7L L6 DIESEL (110) GAS (4) L6 DIESEL (31) Any Body Style Extended Cab Pickup (1) Crew Cab Pickup (29) Extended Crew Cab Pickup (8) Any Submodel ST (9) SLT (26) Laramie Longhorn (30) Laramie (49) Other (38)

Below you can see a distribution of the fuel-ups with 185 outliers (1.38%) removed.

Following shows the average MPG of each of the 152 vehicles in the system.

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• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2022 • 183 Fuel-ups

  Property of Jhansen312

• 12.8 Avg MPG

• 2012 Dodge Ram 3500 HD

  2012 Ram 3500 Service Truck
  Added Mar 2017 • 291 Fuel-ups

  Property of ArcticMania

• 9.1 Avg MPG

• My 3500

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jul 2024 • 65 Fuel-ups

  Property of Trav-Hasse

• 11.8 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Manual 6 Speed
  Added Jun 2023 • 145 Fuel-ups

  Property of McCarley

• 16.0 Avg MPG

• ram truck

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Apr 2017 • 491 Fuel-ups

  Property of Philippe87

• 15.4 Avg MPG

• BWB 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2022 • 163 Fuel-ups

  Property of sefurd

• 14.9 Avg MPG

• Family Truckster

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2019 • 153 Fuel-ups

  Property of Arzie

• 16.2 Avg MPG

• Ram 3500 Mega

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added May 2016 • 483 Fuel-ups

  Property of Luckyhat12

• 11.3 Avg MPG

• My 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2024 • 106 Fuel-ups

  Property of mserene02

• 12.1 Avg MPG

• Longhorn Truck

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 357 Fuel-ups

  Property of mopar75028

• 11.6 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie Longhorn 6.7L L6 DIESEL Automatic 6 Speed
  Added Nov 2015 • 515 Fuel-ups

  Property of brandonjansen

• 14.5 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2019 • 172 Fuel-ups

  Property of steelram3500

• 12.2 Avg MPG

• Ram

  2012 Ram 3500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2016 • 393 Fuel-ups

  Property of carsnerc

• 14.3 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2025 • 504 Fuel-ups

  Property of TxTaurus74

• 14.1 Avg MPG

• RAM 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 461 Fuel-ups

  Property of Helowings60

• 12.9 Avg MPG

• Dodge Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL
  Added Feb 2017 • 274 Fuel-ups

  Property of Fsuchick

• 10.4 Avg MPG

• My 3500

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

  Property of ahopper

• 11.8 Avg MPG

• The Dually

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2025 • 36 Fuel-ups

  Property of Coho_One

• 10.3 Avg MPG

• RAM 3500

  2012 Ram 3500 ST 6.7L L6 DIESEL Automatic 6 Speed
  Added Aug 2016 • 533 Fuel-ups

  Property of kc2mdn

• 13.5 Avg MPG

• Ram 3500

  2012 Ram 3500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2022 • 144 Fuel-ups

  Property of n8sarmstrong

• 15.0 Avg MPG

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