2025 Lexus UX vs 2025 Mercedes-Benz GLB-Class

$36,740 · Crossover

$45,800 · Crossover

Comparison Overview

The 2025 Lexus UX captivates with efficiency, boasting an outstanding 43 combined MPG, while the 2025 Mercedes-Benz GLB-Class lures with robust performance, offering 221 horsepower. This showdown pits Lexus's frugal finesse against Mercedes-Benz's assertive premium stance. The UX starts at an attractive $36,740, significantly undercutting the GLB-Class’s $45,800 MSRP by $9,060. While the Lexus sips regular unleaded and achieves 45 MPG in the city, the GLB demands premium fuel and returns a lower 28 combined MPG. Power-wise, the GLB pulls ahead with 221 hp compared to the UX’s 196 hp, and the Mercedes offers substantially more space, yielding 22.0 cu ft of cargo capacity versus the Lexus’s 17.1 cu ft. Ultimately, this comparison boils down to prioritizing stellar fuel economy and lower entry price versus superior power and enhanced utility.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Lexus UX

The 2025 Lexus UX wins for commuters due to its segment-leading 43 combined MPG and use of regular unleaded fuel.

👨‍👩‍👧‍👦 Best for Families

2025 Mercedes-Benz GLB-Class

The 2025 Mercedes-Benz GLB-Class is superior for families, offering greater utility with 22.0 cu ft of cargo space compared to the UX's 17.1 cu ft.

🏎️ Best for Enthusiasts

2025 Mercedes-Benz GLB-Class

Enthusiasts will prefer the 2025 Mercedes-Benz GLB-Class for its higher 221 horsepower and the engaging feel of its 8-speed automated manual transmission.

💰 Best Value

2025 Lexus UX

The Lexus UX offers superior value by starting at $36,740, undercutting the GLB-Class by $9,060 while delivering incredible fuel savings.

Choose the Lexus UX if...

Your priority is maximizing fuel economy, achieving 43 combined MPG.
You want to save $9,060 on the initial purchase price compared to the GLB-Class.
You prefer the lower running cost associated with using regular unleaded gasoline.

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

You require more utility, benefiting from 22.0 cu ft of cargo capacity.
You prioritize spirited driving, supported by 221 horsepower and 258 lb-ft of torque.
You prefer the driving characteristics of an 8-speed automated manual transmission over a CVT.

Key Dimensions

Dimension	Lexus UX	Mercedes-Benz GLB-Class
Length	177.0"	182.4"
Width	72.4"	72.2"
Height	60.6"	66.7"
Wheelbase	103.9"	111.4"

Features Comparison

Safety

Feature	Lexus	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 Solid Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Multi-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	—	✓
Brake Preparation System	—	✓
Headlight Delay-Off	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Lexus	Mercedes-Benz
Base Engine Displacement	2.0 L	2.0 L
Number of Cylinders	inline 4	inline 4
Base Engine Type	hybrid	mild hybrid
Horsepower	196 hp	221 hp @ 5500 rpm
Number of Valves	16	16
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Torque	—	258 lb-ft @ 1800 rpm

Drive Train

Feature	Lexus	Mercedes-Benz
Transmission Type	continuously variable-speed automatic	8-speed automated manual
Drivetrain Type	front wheel drive	front wheel drive

Fuel

Feature	Lexus	Mercedes-Benz
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	45/41 MPG	25/33 MPG
EPA Fuel Economy (Combined)	43 MPG	28 MPG
EPA Driving Range (City/Highway)	477.0/434.6 mi.	397.5/524.7 mi.
Fuel Tank Capacity	10.6 gal.	15.9 gal.

Comfort & Convenience

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

In Car Entertainment

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

Power Feature

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

Frontseats

Feature	Lexus	Mercedes-Benz
Front Head Room	37.2 in.	40.7 in.
Front Leg Room	42.0 in.	41.1 in.
Front Shoulder Room	55.0 in.	55.9 in.
Front Hip Room	53.8 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	Lexus	Mercedes-Benz
Rear Head Room	36.3 in.	39.3 in.
Rear Leg Room	33.1 in.	38.1 in.
Rear Shoulder Room	52.9 in.	54.9 in.
Rear Hip Room	52.3 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	Lexus	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	18 x 7.0 in	18 x 7.5 in
Tire Size	225/50R18	235/55R18
Run Flat Tires	✓	✓
Wheel Material	—	Alloy

Suspension

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

Warranty

Feature	Lexus	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	6 yr./ 70000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	8 yr./ 100000 mi.	—
Corrosion/Rust Warranty	6 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ 10000 mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 Lexus UX and 2025 Mercedes-Benz GLB-Class.

How significant is the fuel economy difference between the 2025 Lexus UX and the 2025 Mercedes-Benz GLB-Class?

The difference is substantial: the Lexus UX achieves 43 combined MPG, whereas the Mercedes-Benz GLB-Class manages only 28 combined MPG. This 15 MPG gap means the Lexus offers dramatically lower running costs over the long term.

Is the premium price of the Mercedes-Benz GLB-Class justified by its performance advantage over the Lexus UX?

The GLB-Class is $9,060 more expensive, starting at $45,800 compared to the UX's $36,740. Its performance edge is 25 horsepower (221 hp vs. 196 hp), which enthusiasts will appreciate, but this costs significantly more upfront and at the pump.

Which vehicle offers more physical room for passengers and cargo?

The 2025 Mercedes-Benz GLB-Class is the physically larger vehicle, standing 60.1 inches taller and offering 22.0 cu ft of cargo space. The Lexus UX is smaller in every dimension, with only 17.1 cu ft of cargo volume.

Does the type of fuel required impact the total ownership cost comparison?

Yes, the Lexus UX runs on regular unleaded, saving immediate costs, while the GLB-Class mandates premium unleaded fuel, further increasing its overall operational expenditure beyond the lower MPG rating.

How do the transmissions in these two front-wheel-drive crossovers differ?

The Lexus UX uses a continuously variable-speed automatic (CVT) transmission, tuned for efficiency, supporting its 45/41 city/highway MPG figures. Conversely, the GLB-Class employs a more traditional-feeling 8-speed automated manual, which contributes to its focus on driver engagement.