2015 head-to-head · Full-Size Pickup

2015 Nissan Titan vs Ram 1500 Diesel

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$3,100/ year to fuel
15 MPG
✓ Cheaper to run
$2,312/ year to fuel
24 MPG

The 2015 Ram 1500 Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $2,312 a year to fuel (24 MPG), versus $3,100 for the 2015 Nissan Titan (15 MPG). That's roughly $788 a year, or about $3,938 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Nissan Titan
  • Ram 1500 Diesel

Side by side

Nissan TitanRam 1500 Diesel
$3,100 Your annual fuel cost $2,312
15 MPG Combined efficiency 24 MPG
13 MPG City 21 MPG
18 MPG Highway 29 MPG
588 g/mi Tailpipe CO₂ (g/mi) 428 g/mi
3/10 EPA fuel economy score 6/10
3/10 EPA greenhouse gas score 5/10
Gas Powertrain Diesel
Regular gasoline Fuel Diesel
5.6L 8-cyl Engine / motor 3.0L 6-cyl turbo
5-speed automatic Transmission 8-speed automatic
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Nissan Titan vs Ram 1500 Diesel across model years

  • Nissan Titan
  • Ram 1500 Diesel

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 7 2015 full-size pickups, the Nissan Titan ranks 7th and the Ram 1500 Diesel 3rd for lowest fuel cost.

The powertrains differ: the Nissan Titan is a conventional gas model, while the Ram 1500 Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2015 Nissan Titan or the 2015 Ram 1500 Diesel?

Measured by cost to drive, the Ram 1500 Diesel. The Nissan Titan is rated 15 MPG combined and the Ram 1500 Diesel 24 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Nissan Titan vs. the Ram 1500 Diesel per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $3,100 for the Nissan Titan and $2,312 for the Ram 1500 Diesel.

Nissan Titan vs Ram 1500 Diesel in other years

More 2015 comparisons

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