2025 INFINITI QX50 vs 2025 Mercedes-Benz GLB-Class

$43,000 · Crossover

$45,800 · Crossover

Comparison Overview

The battle between the 2025 INFINITI QX50 and the 2025 Mercedes-Benz GLB-Class pits raw power against refined efficiency in the compact crossover arena. The QX50 immediately excites with its punchy 268 horsepower and 280 lb-ft of torque, channeling that energy through standard All-Wheel Drive, making it the spirited choice for spirited driving enthusiasts, despite its slightly lower combined MPG of 25. Conversely, the GLB-Class captivates with German engineering prowess, boasting superior fuel economy at 28 MPG combined, thanks to its front-wheel-drive focus and efficient 8-speed automated manual transmission. While the QX50 offers a more substantial 31.4 cubic feet of cargo space, the GLB counters with a slightly taller stance (66.7 inches) and a lower starting MSRP of $45,800 compared to the QX50's $43,000 base price, presenting a compelling efficiency and maneuverability package against the INFINITI’s performance edge.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLB-Class

The Mercedes-Benz GLB-Class wins for commuters due to its superior efficiency, achieving 28 MPG combined versus the QX50's 25 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 INFINITI QX50

The INFINITI QX50 is better for families needing to haul gear, offering a superior 31.4 cu ft of cargo capacity compared to the GLB-Class's 22 cu ft.

🏎️ Best for Enthusiasts

2025 INFINITI QX50

Enthusiasts will favor the QX50's significant power advantage, generating 268 horsepower and 280 lb-ft of torque.

💰 Best Value

2025 INFINITI QX50

The QX50 provides notably more horsepower (268 hp vs 221 hp) and significantly more cargo space for a lower starting MSRP of $43,000.

Choose the INFINITI QX50 if...

You prioritize immediate acceleration, benefiting from the 268 horsepower output.
You need maximum storage space, as it provides 31.4 cubic feet of cargo capacity.
You prefer the grip and handling characteristics of standard All-Wheel Drive.

Choose the Mercedes-Benz GLB-Class if...

Fuel economy is paramount, indicated by its 28 MPG combined rating.
You prefer the mechanical engagement of an 8-speed automated manual transmission.
You seek a lower purchase price, starting at $45,800 versus the QX50’s $43,000 base MSRP.

Key Dimensions

Dimension	INFINITI QX50	Mercedes-Benz GLB-Class
Length	184.7"	182.4"
Width	74.9"	72.2"
Height	66.0"	66.7"
Wheelbase	110.2"	111.4"

Features Comparison

Safety

Feature	INFINITI	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Rear Solid Disc Brakes	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓

Engine

Feature	INFINITI	Mercedes-Benz
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	268 hp @ 5600 rpm	221 hp @ 5500 rpm
Torque	280 lb-ft @ 4800 rpm	258 lb-ft @ 1800 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	INFINITI	Mercedes-Benz
Transmission Type	continuously variable-speed automatic	8-speed automated manual
Drivetrain Type	all wheel drive	front wheel drive
Center Differential Type	Limited Slip	—

Fuel

Feature	INFINITI	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	22/28 MPG	25/33 MPG
EPA Fuel Economy (Combined)	25 MPG	28 MPG
EPA Driving Range (City/Highway)	352.0/448.0 mi.	397.5/524.7 mi.
Fuel Tank Capacity	16.0 gal.	15.9 gal.

Comfort & Convenience

Feature	INFINITI	Mercedes-Benz
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Front Parking Sensors	—	✓
Driver Assisted Parking Assist	—	✓
Cruise Control	—	✓
Universal Remote Transmitter	—	✓

In Car Entertainment

Feature	INFINITI	Mercedes-Benz
Infotainment Display	8.0 in	10.25 in
AM/FM Stereo	✓	✓
Speaker System	6	—
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Speed Sensitive Volume Control	✓	—
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

Feature	INFINITI	Mercedes-Benz
One-Touch Power Windows	2	4
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	INFINITI	Mercedes-Benz
Front Head Room	41.0 in.	40.7 in.
Front Leg Room	39.6 in.	41.1 in.
Front Shoulder Room	57.9 in.	55.9 in.
Front Hip Room	55.6 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Passenger Seat Power Adjustments	8-way	8-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Thigh Extension	—	✓
Driver Seat Memory Settings	—	3
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3
Driver Seat Heating	—	Multi-level
Passenger Seat Heating	—	Multi-level

Rearseats

Feature	INFINITI	Mercedes-Benz
Rear Head Room	39.1 in.	39.3 in.
Rear Leg Room	38.7 in.	38.1 in.
Rear Shoulder Room	57.1 in.	54.9 in.
Rear Hip Room	53.8 in.	—
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	INFINITI	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	19 x 7.5 in	18 x 7.5 in
Tire Size	235/55R19	235/55R18
Run Flat Tires	✓	✓
Wheel Material	—	Alloy

Suspension

Feature	INFINITI	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	INFINITI	Mercedes-Benz
Basic Warranty	4 yr./ 60000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	7 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ 60000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	3 yr./ unlimited mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 INFINITI QX50 and 2025 Mercedes-Benz GLB-Class.

Which crossover is faster off the line, the QX50 or the GLB-Class?

The 2025 INFINITI QX50 is expected to be significantly quicker, boasting 268 horsepower and 280 lb-ft of torque. This is substantially more than the Mercedes-Benz GLB-Class, which produces 221 horsepower.

How do the fuel costs compare between these two models?

The Mercedes-Benz GLB-Class is the clear winner for fuel efficiency, achieving a combined 28 MPG, whereas the QX50 is rated for 25 MPG combined. However, note that the QX50 recommends premium fuel, while the GLB-Class requires it.

Is there a noticeable difference in interior space or utility?

Yes, the INFINITI QX50 offers substantially more utility, featuring 31.4 cubic feet of cargo space behind the rear seats. The GLB-Class offers a tighter 22 cubic feet of storage.

What is the difference in the base price for these two luxury crossovers?

The 2025 INFINITI QX50 has a lower starting MSRP at $43,000, while the 2025 Mercedes-Benz GLB-Class starts slightly higher at $45,800.

Which vehicle offers better traction control for adverse weather conditions?

The INFINITI QX50 comes standard with All-Wheel Drive, generally providing superior traction compared to the standard Front-Wheel Drive setup of the Mercedes-Benz GLB-Class.

Does the transmission type affect the driving dynamics?

The QX50 uses a continuously variable-speed automatic (CVT), prioritizing smooth acceleration, whereas the GLB-Class employs a responsive 8-speed automated manual, which often feels more geared and engaging during hard driving.