2026 GMC Sierra Cab Chassis 2WD vs Mercedes-Benz GLB2502026 Fuel Economy & MPG Comparison

GMC Sierra Cab Chassis 2WD vs Mercedes-Benz GLB250 mpg, GMC Sierra Cab Chassis 2WD vs Mercedes-Benz GLB250 fuel economy, GMC Sierra Cab Chassis 2WD vs Mercedes-Benz GLB250 gas mileage

GMC Sierra Cab Chassis 2WD: GasolineMercedes-Benz GLB250: Hybrid
2026 GMCSierra Cab Chassis 2WD2026 Mercedes-BenzGLB250
Combined MPG16 MPG28 MPG
City MPG1525
Hwy MPG1833
Annual Fuel Cost$4,200$2,900
NHTSA SafetyN/AN/A
Recalls00
SegmentSpecial Purpose Vehicle 2WDSpecial Purpose Vehicle 2WD

The 2026 Mercedes-Benz GLB250 gets better fuel economy — 28 vs 16 combined MPG.

Lower estimated annual fuel cost: $2,900 vs $4,200.

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