Based on data from 308 vehicles, 31,279 fuel-ups and 9,608,680 miles of driving, the 2018 Ram 2500 gets a combined Avg MPG of 14.51 with a 0.05 MPG margin of error.

Any Engine Type 5.7L V8 CNG (2) 5.7L V8 GAS (7) 6.4L V8 GAS (67) 6.7L L6 DIESEL (213) L6 DIESEL (3) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (1) Crew Cab Pickup (107) Extended Crew Cab Pickup (8) Cab & Chassis - Crew Cab (1) Any Submodel Limited Tungsten HD (1) Limited (2) ST (2) Outdoorsman (4) Base (5) Laramie Limited (5) Laramie Longhorn (9) Power Wagon (15) SLT (22) Big Horn (56) Tradesman (72) Laramie (112) Other (3)

Below you can see a distribution of the fuel-ups with 293 outliers (0.93%) removed.

Following shows the average MPG of each of the 308 vehicles in the system.

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• My 2500

  2018 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Feb 2025 • 5 Fuel-ups

  Property of Bigwhitebeast

• 17.1 Avg MPG

• Ram 2500

  2018 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2017 • 237 Fuel-ups

  Property of dcoy

• 17.6 Avg MPG

• Ram 2500

  2018 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed Extended Crew Cab Pickup
  Added Jan 2018 • 345 Fuel-ups

  Property of timmcmanus

• 12.6 Avg MPG

• My 2500

  2018 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2024 • 22 Fuel-ups

  Property of Mattjalex

• 12.4 Avg MPG

• My 2500

  2018 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Dec 2023 • 50 Fuel-ups

  Property of ddlecy

• 10.4 Avg MPG

• RAM 2500

  2018 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2018 • 254 Fuel-ups

  Property of FyrGuy176

• 16.7 Avg MPG

• Ram 2500

  2018 Ram 2500 Tradesman 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 253 Fuel-ups

  Property of ArcherBen

• 12.1 Avg MPG

• RAM 2500

  2018 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Sep 2018 • 323 Fuel-ups

  Property of DanHayden

• 16.4 Avg MPG

• My 2500

  2018 Ram 2500 Laramie 6.4L V8 GAS Automatic 6 Speed
  Added Sep 2022 • 122 Fuel-ups

  Property of ED14

• 15.5 Avg MPG

• Ram 2500

  2018 Ram 2500 Tradesman 6.7L L6 DIESEL Manual 6 Speed Crew Cab Pickup
  Added Sep 2018 • 250 Fuel-ups

  Property of matt85

• 20.0 Avg MPG

• My 2500

  2018 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2019 • 386 Fuel-ups

  Property of cpcop

• 17.8 Avg MPG

• My 2500

  2018 Ram 2500 Big Horn 6.7L L6 DIESEL Automatic 6 Speed
  Added Dec 2018 • 159 Fuel-ups

  Property of Junior78

• 13.2 Avg MPG

• My 2500

  2018 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Oct 2019 • 113 Fuel-ups

  Property of TForkes

• 13.8 Avg MPG

• My 2500

  2018 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added Jun 2023 • 76 Fuel-ups

  Property of kevcov

• 16.7 Avg MPG

• My 2500

  2018 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Mar 2019 • 297 Fuel-ups

  Property of Stanweaver

• 17.2 Avg MPG

• Greyramproject

  2018 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed
  Added Jan 2019 • 221 Fuel-ups

  Property of rvdb

• 15.3 Avg MPG

• 2018 Power Wagon

  2018 Ram 2500 Power Wagon 6.4L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 171 Fuel-ups

  Property of hughbicon

• 11.5 Avg MPG

• My 2500 odo reset

  2018 Ram 2500 SLT 6.7L L6 DIESEL Automatic 6 Speed
  Added May 2021 • 108 Fuel-ups

  Property of jertay13

• 16.0 Avg MPG

• Bullwinkle

  2018 Ram 2500 Big Horn 6.4L V8 GAS Automatic 6 Speed
  Added Oct 2018 • 464 Fuel-ups

  Property of tabutler3

• 12.0 Avg MPG

• Ram 2500

  2018 Ram 2500 Laramie 6.7L L6 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2022 • 344 Fuel-ups

  Property of dblume114

• 12.6 Avg MPG

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