2019 head-to-head · Small SUV

2019 BMW X3 vs Mercedes-Benz GLA-Class

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
$2,279/ year to fuel
26 MPG
✓ Cheaper to run
$2,194/ year to fuel
27 MPG

The 2019 Mercedes-Benz GLA-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,279 for the 2019 BMW X3 (26 MPG). That's roughly $84 a year, or about $422 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
  • Mercedes-Benz GLA-Class

Side by side

BMW X3Mercedes-Benz GLA-Class
$2,279 Your annual fuel cost $2,194
26 MPG Combined efficiency 27 MPG
23 MPG City 24 MPG
30 MPG Highway 33 MPG
344 g/mi Tailpipe CO₂ (g/mi) 322 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 7-speed dual-clutch
RWD Drivetrain FWD

✓ 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 Mercedes-Benz GLA-Class across model years

  • BMW X3
  • Mercedes-Benz GLA-Class

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 76 2019 small SUVs, the BMW X3 ranks 59th and the Mercedes-Benz GLA-Class 57th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2019 BMW X3 or the 2019 Mercedes-Benz GLA-Class?

Measured by cost to drive, the Mercedes-Benz GLA-Class. The BMW X3 is rated 26 MPG combined and the Mercedes-Benz GLA-Class 27 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 BMW X3 vs. the Mercedes-Benz GLA-Class per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the BMW X3 and $2,194 for the Mercedes-Benz GLA-Class.

BMW X3 vs Mercedes-Benz GLA-Class in other years

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