2020 head-to-head · Small SUV

2020 Audi Q3 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
$2,114/ year to fuel
22 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 22 MPG

✓ Cheaper to run
$2,116/ year to fuel
28 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, the most efficient 2020 Audi Q3 (22 MPG) costs about $2,114 a year to fuel and the 2020 Mercedes-Benz GLA-Class (28 MPG) about $2,116.

Your numbers

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

Fuel cost over 10 years

  • Audi Q3
  • Mercedes-Benz GLA-Class

Side by side

Audi Q3Mercedes-Benz GLA-Class
$2,114 Your annual fuel cost $2,116
22 MPG Combined efficiency 28 MPG
19 MPG City 24 MPG
27 MPG Highway 34 MPG
84 cu ft Passenger volume —
17 cu ft Cargo volume —
399 g/mi Tailpipe CO₂ (g/mi) 316 g/mi
4/10 EPA fuel economy score 6/10
4/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Regular gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 7-speed dual-clutch
AWD 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.

Audi Q3 vs Mercedes-Benz GLA-Class across model years

  • Audi Q3
  • 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 87 2020 small SUVs, the Audi Q3 ranks 56th and the Mercedes-Benz GLA-Class 58th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Audi Q3 or the 2020 Mercedes-Benz GLA-Class?

Measured by cost to drive, the Audi Q3. The Audi Q3 is rated 22 MPG combined and the Mercedes-Benz GLA-Class 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Audi Q3 vs. the Mercedes-Benz GLA-Class per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $2,114 for the Audi Q3 and $2,116 for the Mercedes-Benz GLA-Class.

Audi Q3 vs Mercedes-Benz GLA-Class in other years

More 2020 comparisons

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