TRUCK · Diesel
Ram 2500 (Cummins Diesel) Fuel Cost
Heavy-duty pickup with the legendary 6.7L Cummins inline-six diesel. Below are estimated fuel costs based on 17 combined MPG and average US gas prices.
Best for towing, hauling and work duty rather than fuel-sipping commutes.
- Built for towing
- High fuel use
- Strong highway diesel
- Heavy fuel use
- Updated for 2026
- EPA-style MPG
- US avg fuel prices
- US units
- Transparent assumptions
14 MPG
20 MPG
17 MPG
31 gal
~527 mi
MPG breakdown
Estimated fuel cost at 12,000 miles/year
Based on 17 MPG and $3.85/gal.
Annual cost
$2718
Monthly cost
$226
Cost per mile
$0.226
Gallons / year
706
Estimate your own cost
Pre-filled with the Ram 2500 (Cummins Diesel)'s combined MPG.
Pre-filled with estimated combined MPG for the Ram 2500 (Cummins Diesel). Adjust for your real-world driving.
Estimated Annual Cost
$0.00
Per Month
$0.00
Per Mile
$0.000
~706 gallons per year
Cost by annual mileage
How much you'll spend per year at common US mileage levels (estimates).
| Miles per year | Gallons / year | Annual cost | Monthly cost |
|---|---|---|---|
| 8,000 | 471 | $1812 | $151 |
| 12,000 | 706 | $2718 | $226 |
| 15,000 | 882 | $3397 | $283 |
Estimates only. Actual costs depend on driving style, terrain, weather, and local fuel or electricity prices.
How we estimate Ram 2500 (Cummins Diesel) costs
- MPG / MPGe
- EPA-style combined city + highway figures for the base trim and recent model year.
- Fuel price
- Average US retail regular gas, premium where required, or per-kWh electricity.
- Annual mileage
- Default scenarios at 8,000 / 12,000 / 15,000 miles per year.
- Trim & year variance
- AWD, larger wheels, towing packages and older years can lower efficiency 5–15%.
Sources & assumptions
- EPA fuel economy data — City / highway / combined MPG and MPGe baselines.
- U.S. Department of Energy (fueleconomy.gov) — Vehicle efficiency and EV range references.
- AAA gas price trends — Recent national and regional retail fuel averages.
- EIA electricity rates — Average residential per-kWh prices used for EV charging.
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Frequently asked questions
What is the estimated annual fuel cost for the Ram 2500 (Cummins Diesel)?
Driving 12,000 miles per year at 17 MPG and $3.85/gal, expect about $2718 per year. Heavier city driving or longer commutes will increase that.
What MPG does the Ram 2500 (Cummins Diesel) get?
Estimated EPA-style ratings are roughly 14 city / 20 highway / 17 combined MPG. Real-world numbers depend on terrain, climate and driving style.
What is the tank size of the Ram 2500 (Cummins Diesel)?
The Ram 2500 (Cummins Diesel) typically has a 31-gallon tank. At 17 combined MPG, that's roughly 527 miles of driving range per fill-up.
How does Ram 2500 (Cummins Diesel) fuel cost compare to other vehicles?
At 12,000 miles per year, this vehicle costs about $2718. Compare it to other trucks on our index page or use the cost-per-mile calculator to compare two specific vehicles side-by-side.
Cheaper-to-drive alternatives
Same vehicle class as the Ram 2500 (Cummins Diesel), but lower fuel or charging cost per mile. Annual cost at 12,000 mi.
Compare similar trucks
The closest competitors to the Ram 2500 (Cummins Diesel) by MPG and category.
Ford F-250 Super Duty (Diesel)
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See fuel costChevrolet Avalanche
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See fuel costRam 1500 Rebel
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See fuel costGMC Canyon
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See fuel costToyota Hilux
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See fuel costJeep Gladiator
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See fuel costCompare the Ram 2500 (Cummins Diesel) head-to-head
Side-by-side MPG, annual cost and cost-per-mile vs popular rivals.
Best road trips for the Ram 2500 (Cummins Diesel)
Long-haul drives where the Ram 2500 (Cummins Diesel)'s comfort and cargo space pay off.
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