2015 head-to-head · Small SUV

2015 BMW X3 vs BMW X3 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
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$1,850/ year to fuel
30 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 30 MPG

The 2015 BMW X3 Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, it costs about $1,850 a year to fuel (30 MPG), versus $2,469 for the 2015 BMW X3 (24 MPG). That's roughly $619 a year, or about $3,094 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

  • BMW X3
  • BMW X3 Diesel

Side by side

BMW X3BMW X3 Diesel
$2,469 Your annual fuel cost $1,850
24 MPG Combined efficiency 30 MPG
21 MPG City 27 MPG
28 MPG Highway 33 MPG
375 g/mi Tailpipe CO₂ (g/mi) 345 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Diesel
Premium gasoline Fuel Diesel
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 8-speed automatic
RWD Drivetrain AWD

✓ 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.

BMW X3 vs BMW X3 Diesel across model years

  • BMW X3
  • BMW X3 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 60 2015 small SUVs, the BMW X3 ranks 46th and the BMW X3 Diesel 19th for lowest fuel cost.

The powertrains differ: the BMW X3 is a conventional gas model, while the BMW X3 Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2015 BMW X3 or the 2015 BMW X3 Diesel?

Measured by cost to drive, the BMW X3 Diesel. The BMW X3 is rated 24 MPG combined and the BMW X3 Diesel 30 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 BMW X3 vs. the BMW X3 Diesel per year?

At 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, about $2,469 for the BMW X3 and $1,850 for the BMW X3 Diesel.

BMW X3 vs BMW X3 Diesel in other years

More 2015 comparisons

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