- Newest year: 2020
- Gas
- Small SUVs
2020 Mercedes-Benz GLA-Class MPG & Fuel Cost
2 configurations · 25–28 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 5 of 10 small SUV configurations, MY2020. Ranked against all rated configurations, not sales-weighted.
2020 Mercedes-Benz GLA-Class at a glance
The 2020 Mercedes-Benz GLA-Class has 2 configurations in the EPA database, rated 25–28 MPG combined. The most efficient is the GLA250 2.0L 4-cyl turbo FWD at 28 MPG, which costs about $2,880 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). Annual fuel cost across the configurations runs from $2,880 to $3,160, a $280 difference. The GLA250 2.0L 4-cyl turbo FWD costs less to fuel than 5 of 10 small SUV configurations rated for MY2020 (class median $2,860 a year).
What the 2020 GLA250 2.0L 4-cyl turbo FWD costs to drive
Per month
$240
$2,880 a year ÷ 12
Per 25 miles
$4.80
Per 100 miles
$19.20
Five years
$14,400
5 × the yearly cost, prices held at today's level
vs the small SUV median
$20more a year
Class median $2,860 a year, MY2020
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Mercedes-Benz GLA-Class MPG
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| GLA250 (Most efficient) | 2.0L 4-cyl turbo | FWD | 24 | 34 | 28 | $2,880 |
| GLA250 4matic | 2.0L 4-cyl turbo | 4WD | 22 | 30 | 25 | $3,160 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the GLA250 2.0L 4-cyl turbo FWD: $3,430 in California and $2,500 in Texas, a $930 difference.
- California $3,430
- Washington $3,230
- New York $2,840
- Florida $2,630
- Texas $2,500
Similar cars
Closest combined MPG among MY2020 small SUV models.
Generations
Frequently asked questions
How does the 2020 Mercedes-Benz GLA-Class compare with the previous generation?
The previous generation (2015-2019 Mercedes-Benz GLA-Class) is rated 25–28 MPG combined and costs $2,830–$3,280 a year to fuel; the 2020 model is rated 25–28 MPG and costs $2,880–$3,160 a year.
What gas mileage does the 2020 Mercedes-Benz GLA-Class get?
EPA rates the 2020 Mercedes-Benz GLA-Class at 25–28 MPG combined across 2 configurations. The most efficient, the GLA250 2.0L 4-cyl turbo FWD, is rated 28 MPG combined (24 city / 34 highway).
How much does it cost to fuel a 2020 Mercedes-Benz GLA-Class per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the GLA250 2.0L 4-cyl turbo FWD costs about $2,880 a year. Across all 2 configurations the cost runs $2,880–$3,160 a year. That is a $280 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2020 Mercedes-Benz GLA-Class 100 miles?
About $19.20 per 100 miles for the GLA250 2.0L 4-cyl turbo FWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $19.20 and $21.07 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2020 Mercedes-Benz GLA-Class more efficient in the city or on the highway?
The GLA250 2.0L 4-cyl turbo FWD is rated 24 city and 34 highway MPG, so it is more efficient on the highway, by 10 MPG.
How does the 2020 Mercedes-Benz GLA-Class compare with other small SUV configurations?
The GLA250 2.0L 4-cyl turbo FWD costs about $2,880 a year to fuel, $20 more than the class median of $2,860, and less than 5 of 10 small SUV configurations. The comparison covers all 242 rated small SUV configurations for MY2020, not weighted by sales.
Is the 2020 Mercedes-Benz GLA-Class different from the 2019 model?
The most efficient configuration moves from 27 to 28 MPG, up 1. Its annual cost goes from $2,930 to $2,880, $50 less. EPA lists 2 configurations for 2020 against 4 configurations for 2019. See the 2019 Mercedes-Benz GLA-Class for that year.