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2026 Mercedes-Benz GLA-Class Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2026 model years43 variantsUp to 29 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

Mercedes-Benz GLA-Class maintenance schedule by model year

Verified year-by-year intervals for 2024–2024 are listed on the Mercedes-Benz GLA-Class maintenance schedule, where you can switch model year in the table.

2026 Mercedes-Benz GLA-Class Specs at a Glance

The 2026 Mercedes-Benz GLA-Class gets 29 mpg combined on the 2.0L Front-Wheel Drive configuration, weighs 3,869 lbs, measures 174.4 in long. Figures are per configuration, not a single official number — other trims rate as low as 25 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
29 mpg (26 city / 34 hwy)
Best configuration: 2.0L · Front-Wheel Drive · Automatic (AM8) · other 2026 trims rate 25–29 mpg combined
Engine
2.0L 4-cyl
2.0L · Front-Wheel Drive · Automatic (AM8)
Curb weight
3,869 lbs
Heaviest recorded configuration: GLA CLASS AMG 35 4MATIC 4DR SUV AWD
Length
174.4 in · 72 in wide · 63.4 in tall
Wheelbase
107.5 in

2026 Mercedes-Benz GLA-Class trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive223025
Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive263429
Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive253328

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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Mercedes-Benz GLA-Class — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2026Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive223025Premium Gasoline
2026Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive263429Premium Gasoline
2026Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive253328Premium Gasoline
2025Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive222824Premium Gasoline
2025Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive263429Premium Gasoline
2025Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive253328Premium Gasoline
2024Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive222824Premium Gasoline
2024Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive253428Premium Gasoline
2024Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive243227Premium Gasoline
2023Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive222925Premium Gasoline
2023Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive243428Premium Gasoline
2023Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive233226Premium Gasoline
2023Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive202522Premium Gasoline
2022Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive192522Premium Gasoline
2022Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive233226Premium Gasoline
2022Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)All-Wheel Drive223025Premium Gasoline
2022Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive243428Premium Gasoline
2021Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)4-Wheel Drive232925Premium Gasoline
2021Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)Front-Wheel Drive253428Premium Gasoline
2021Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)4-Wheel Drive243327Premium Gasoline
2021Auto (AM8), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM8)4-Wheel Drive202723Premium Gasoline
2020Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive243428Premium Gasoline
2020Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive223025Premium Gasoline
2019Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive233126Premium Gasoline
2019Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive243327Premium Gasoline
2019Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Part-time 4-Wheel Drive233126Premium Gasoline
2019Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive222825Premium Gasoline
2018Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive222825Premium Gasoline
2018Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive243327Premium Gasoline
2018Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive233126Premium Gasoline
2018Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Part-time 4-Wheel Drive233126Premium Gasoline
2017Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive222825Premium Gasoline
2017Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive233126Premium Gasoline
2017Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive243327Premium Gasoline
2017Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive233126Premium Gasoline
2016Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive243127Premium Gasoline
2016Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive253428Premium Gasoline
2016Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive243127Premium Gasoline
2016Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive222825Premium Gasoline
2015Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive232925Premium Gasoline
2015Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive243127Premium Gasoline
2015Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)4-Wheel Drive243127Premium Gasoline
2015Auto (AM7), 4 cyl, 2.0 L4 · 2.0LAutomatic (AM7)Front-Wheel Drive253428Premium Gasoline

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Mercedes-Benz GLA-Class — Frequently Asked Questions

What is the fuel economy of the 2026 Mercedes-Benz GLA-Class?

The Mercedes-Benz GLA-Class is EPA-rated at up to 29 MPG combined (26 city / 34 highway).

What engine does the 2026 Mercedes-Benz GLA-Class have?

The Mercedes-Benz GLA-Class uses a 2.0L 4-cylinder engine paired with an Automatic transmission.

What years of the Mercedes-Benz GLA-Class are covered here?

This page documents 43 verified Mercedes-Benz GLA-Class configurations across model years 2015–2026.

Which model year of the Mercedes-Benz GLA-Class is the most fuel efficient?

The 2026 Mercedes-Benz GLA-Class holds the highest combined rating at 29 MPG; the 2017 sits lowest at 27 MPG, a difference of 2 MPG (about 7%) across the 12 rated years on file.

How many engine options does the Mercedes-Benz GLA-Class have?

Across every year on record the Mercedes-Benz GLA-Class uses one displacement, 2L, so trims differ by drivetrain and equipment rather than engine size.

Is the 2026 Mercedes-Benz GLA-Class front-wheel drive or all-wheel drive?

The Mercedes-Benz GLA-Class appears in 4 drivetrain layouts across the years documented here — All-Wheel Drive, Front-Wheel Drive, 4-Wheel Drive, Part-time 4-Wheel Drive — with the latest 2026 record on All-Wheel Drive.

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