Mazda CX-50 Hybrid vs Mercedes-Benz GLB-Class Hybrid

Side by side

Better figure in bold; each model's most efficient version.

Fuel economy and cost

The two use different fuels (regular gasoline and premium gasoline), so the price per unit differs. Under the file's assumptions the Mazda CX-50 Hybrid costs about $1,750 a year and the Mercedes-Benz GLB-Class Hybrid about $2,950, a difference of $1,200.

Where each one ranks

Within their class the Mazda CX-50 Hybrid is tied for 34th of 113 small SUVs, in the upper half. The Mercedes-Benz GLB-Class Hybrid is tied for 62nd of 113 small SUVs, in the lower half.

The Mazda CX-50 Hybrid has 1 rated version, from 38 to 38 MPG. The Mercedes-Benz GLB-Class Hybrid has 3, from 23 to 28 MPG. For the most efficient versions, the Mazda CX-50 Hybrid is rated 2 higher in the city (39 against 37), while the Mercedes-Benz GLB-Class Hybrid is rated 8 higher on the highway (33 against 25).

The two versions closest in rating are CX-50 4WD: 2.5 L, 4 cyl hybrid, Automatic (variable gear ratios), 4WD at 38 MPG and GLB250: 2.0 L, 4 cyl hybrid, Automatic (AM8), FWD at 28, 10 MPG apart.

Ratings by model year

Both models are in the data for 2 model years, 2025 to 2026. The Mazda CX-50 Hybrid has the higher best rating in 2 of them and the Mercedes-Benz GLB-Class Hybrid in 0. The widest gap, 10 MPG, was in 2026, when the Mazda CX-50 Hybrid led.

Go further

• All versions and the trend of the Mazda CX-50 Hybrid
• All versions and the trend of the Mercedes-Benz GLB-Class Hybrid
• The full small suvs ranking