Compare the 2026 Mercedes-Benz GLA vs. GLB Models

Comparing Compact Luxury SUVs: Mercedes-Benz GLA vs. Mercedes-Benz GLB

At Autobahn Motors, we help our customers make informed decisions by breaking down the differences of new Mercedes-Benz SUVs, including compact options like the GLA and GLB. Despite its small footprint, the 2026 Mercedes-Benz GLA leaves a big impression. There's extra room for adventure in the 2026 Mercedes-Benz GLB. Compare the lineup's smallest SUVs available at our Mercedes-Benz dealership.

Mercedes-Benz GLA

Mercedes-Benz GLB

What Is the Difference Between the GLA and GLB?

The GLA is the smallest Mercedes-Benz SUV and a versatile errand runner, while the 2026 Mercedes-Benz GLB offers seating for up to seven in a compact package.

How Do the GLA and GLB Compare in Performance?

Both the 2026 Mercedes-Benz GLA and 2026 Mercedes-Benz GLB deliver performance outputs of 221 horsepower and 258 pound-feet of torque through a 2.0-liter turbocharged four-cylinder engine featuring mild hybrid drive. The GLA and GLB are fuel-efficient Mercedes-Benz SUVs. Earn 34 highway mpg driving a Mercedes-Benz GLA or 33 highway mpg traveling in a Mercedes-Benz GLB.

How Do the Exterior Designs Differ?

The compact, crossover-style of the GLA has wide-ranging appeal. The Mercedes-Benz GLA has a wide grille, flowing contours, and a rear spoiler that asserts its sporty character. Shorter in length, the GLA offers improved maneuverability within the city. A long wheelbase maximizes cabin space within the Mercedes-Benz GLB, which has short overhangs and a bold horizontal-bar grille.

Which Interior and Technology Features Are Included?

The Mercedes-Benz GLA and GLB share many of the same features, including dual-zone automatic climate control, MB-Tex upholstery, sport front seats with memory settings, wireless Apple CarPlay®, 10.25-inch displays, MBUX, and Voice Control with Natural Language Understanding.

Which Mercedes-Benz SUV Is Right for Me?

Choose the Mercedes-Benz GLA for a smaller and more maneuverable SUV. Choose the Mercedes-Benz GLB if you prefer a roomier SUV and the option of a third row to accommodate your loved ones.

FAQs

What are the core differences between the GLA and GLB?

The GLB offers configurations for five and seven passengers, while the GLA is strictly a five-passenger SUV. A Mercedes-Benz GLB offers 11 additional cubic feet of cargo space.

Which Mercedes-Benz SUV offers more cargo space?

The Mercedes-Benz GLB offers 62 cubic feet of cargo space. Total cargo capacity for the Mercedes-Benz GLA is 50.5 cubic feet.

Does each Mercedes-Benz model offer 4MATIC® all-wheel drive?

Yes, GLA 250 4MATIC® and GLB 250 4MATIC® configurations are available at our Mercedes-Benz dealership if you prefer a new SUV equipped with 4MATIC® all-wheel drive.

Which SUV offers larger displays?

Both the Mercedes-Benz GLA and GLB come with dual 10.25-inch displays and MBUX (Mercedes-Benz User Experience. The digital instrument cluster and multimedia display are the same size.

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