2025 Acura ADX vs 2025 Mercedes-Benz GLB-Class

$35,000 · Crossover

$45,800 · Crossover

Comparison Overview

The 2025 Acura ADX ignites the compact crossover segment with attainable refinement, boasting a competitive $35,000 starting price. Acura delivers a brisk if modest 190 horsepower and 179 lb-ft of torque paired with an efficient continuously variable transmission, achieving a solid 28 MPG combined. Conversely, the 2025 Mercedes-Benz GLB-Class brings undeniable prestige and performance heft, demanding a $10,800 premium at $45,800. Drivers seeking true pull will appreciate the GLB-Class's 221 horsepower and robust 258 lb-ft of torque, routed through a responsive 8-speed automated manual. While the ADX offers slightly better fuel economy highway MPG at 31 MPG versus the GLB’s 33 MPG (but slightly lower city MPG at 25), the Mercedes counter-punches with a taller stature at 66.7 inches, potentially translating to more headroom, though the ADX offers a marginally larger cargo hold at 24.4 cu ft.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Acura ADX

The $10,800 lower starting price and marginally better highway MPG make the ADX the sensible choice for daily point-to-point driving.

👨‍👩‍👧‍👦 Best for Families

2025 Mercedes-Benz GLB-Class

The GLB-Class’s superior height (66.7 inches versus 63.8 inches) suggests better interior volume for passengers and bulkier cargo.

🏎️ Best for Enthusiasts

2025 Mercedes-Benz GLB-Class

With 221 horsepower and 258 lb-ft of torque, the GLB-Class offers significantly more available power than the ADX’s 190 horsepower.

💰 Best Value

2025 Acura ADX

The ADX provides significant utility and design polish while substantially undercutting the GLB-Class by over ten thousand dollars.

Choose the Acura ADX if...

Sticking rigorously to a budget under $36,000 is the top priority.
Maximum efficiency for highway cruising (31 MPG) is preferred.
A slightly longer wheelbase (185.8 inches) suggests potential stability benefits.

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

Extracting the maximum 31 MPG highway fuel economy is desired.
Having 31 more horsepower (221 hp total) for spirited merging is crucial.
The prestige and performance advantages offered by the Mercedes-Benz badge justify the $45,800 MSRP.

Key Dimensions

Dimension	Acura ADX	Mercedes-Benz GLB-Class
Length	185.8"	182.4"
Width	72.5"	72.2"
Height	63.8"	66.7"
Wheelbase	104.5"	111.4"

Features Comparison

Safety

Feature	Acura	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	—
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
Driver Attention 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 Solid 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	✓	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Front Fog Lights	—	✓

Engine

Feature	Acura	Mercedes-Benz
Base Engine Displacement	1.5 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	190 hp @ 6000 rpm	221 hp @ 5500 rpm
Torque	179 lb-ft @ 1700 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	Acura	Mercedes-Benz
Transmission Type	continuously variable-speed automatic	8-speed automated manual
Drivetrain Type	front wheel drive	front wheel drive
Hill Descent Control	✓	—

Fuel

Feature	Acura	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	26/31 MPG	25/33 MPG
EPA Fuel Economy (Combined)	28 MPG	28 MPG
EPA Driving Range (City/Highway)	364.0/434.0 mi.	397.5/524.7 mi.
Fuel Tank Capacity	14.0 gal.	15.9 gal.

Comfort & Convenience

Feature	Acura	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	✓	✓
Wireless Charging Pad	✓	✓
Adaptive Cruise Control	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Overhead Console with Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Front Parking Sensors	—	✓
Rear Parking Sensors	—	✓
Driver Assisted Parking Assist	—	✓
Cruise Control	—	✓
Universal Remote Transmitter	—	✓
Front Seatback Storage	—	✓
Interior Air Filtration	—	✓

In Car Entertainment

Feature	Acura	Mercedes-Benz
Infotainment Display	9.0 in	10.25 in
AM/FM Stereo	✓	✓
Speaker System	8	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Speed Sensitive Volume Control	✓	—
Satellite Radio	—	✓
Satellite Radio Trial Period	—	6 months

Power Feature

Feature	Acura	Mercedes-Benz
One-Touch Power Windows	1	4
Moonroof Type	1st Row Power Glass	—
Keyless Entry	✓	✓
Reverse Tilt Dual Mirrors	✓	—
Heated Mirrors	✓	✓

Frontseats

Feature	Acura	Mercedes-Benz
Front Head Room	38.4 in.	40.7 in.
Front Leg Room	41.9 in.	41.1 in.
Front Shoulder Room	56.6 in.	55.9 in.
Front Hip Room	54.0 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	8-way
Driver Seat Height Adjustment	✓	✓
Passenger Seat Manual Adjustments	4-way	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Lumbar Support	—	Power
Driver Seat Thigh Extension	—	✓
Driver Seat Memory Settings	—	3
Passenger Seat Power Adjustments	—	8-way
Passenger Seat Height Adjustment	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	Acura	Mercedes-Benz
Rear Head Room	38.0 in.	39.3 in.
Rear Leg Room	37.7 in.	38.1 in.
Rear Shoulder Room	55.2 in.	54.9 in.
Rear Hip Room	47.4 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	Acura	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	18 x 7.0 in	18 x 7.5 in
Tire Type	All Season	—
Tire Size	225/55R H	235/55R18
Wheel Material	—	Alloy
Run Flat Tires	—	✓

Suspension

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

Warranty

Feature	Acura	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	5 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ 12000 mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 Acura ADX and 2025 Mercedes-Benz GLB-Class.

How does the difference in transmission affect driving feel between these two FWD crossovers?

The 2025 Acura ADX utilizes a continuously variable-speed automatic, focusing on smooth, linear acceleration and fuel economy. In contrast, the 2025 Mercedes-Benz GLB-Class employs an 8-speed automated manual, which typically offers more distinct shift points for a sportier connection.

Since both are FWD, which vehicle has better overall passenger/cargo dimensions?

The 2025 Acura ADX offers slightly more dedicated cargo space at 24.4 cu ft compared to the GLB-Class's 22 cu ft. However, the GLB-Class is noticeably taller by nearly 3 inches, suggesting potentially superior headroom.

Does the premium fuel requirement differ significantly between the two models?

Both vehicles recommend or require premium unleaded fuel. The ADX lists it as recommended while the GLB-Class explicitly requires it, meaning GLB owners face a potentially higher running cost based on fuel type mandate.

What is the performance gap based on the horsepower disparity?

The 31 horsepower difference means the GLB-Class will feel noticeably quicker getting up to speed, boasting 221 hp versus the ADX’s 190 hp, especially when utilizing its superior 258 lb-ft of torque.

How large are the dimensions, and does one feel significantly bulkier on the road?

The Acura ADX is longer at 185.8 inches, while the Mercedes-Benz GLB-Class is slightly taller at 66.7 inches. Their widths are nearly identical, suggesting similar maneuvering characteristics despite minor length differences.