2025 INFINITI QX55 vs 2025 Mercedes-Benz GLC-Class Coupe

$50,150 · Crossover

$59,300 · Crossover

Comparison Overview

The 2025 INFINITI QX55 bursts onto the scene with 268 hp, offering a potent combination of style and accessible performance for its $50,150 MSRP. In contrast, the 2025 Mercedes-Benz GLC-Class Coupe leans into sophisticated driving dynamics, even if its 255 hp output is slightly lower. The Mercedes demands a premium, starting at $59,300, translating to a significant $9,150 price difference compared to the INFINITI. While the QX55 provides a roomier 26.9 cu ft of cargo space versus the GLC Coupe's constrained 19.2 cu ft, the Mercedes counters with superior fuel economy, achieving 26 MPG combined, slightly edging out the QX55's 25 MPG combined rating. Both employ AWD and premium fuel, but the QX55’s quicker acceleration numbers (due to higher torque) and lower entry price make it a compelling alternative to the luxury-laden German import.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLC-Class Coupe

The Mercedes GLC Coupe wins for commuters due to its slightly better fuel economy, achieving 26 combined MPG versus the QX55's 25 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 INFINITI QX55

The QX55 is superior for families by offering significantly more functional storage, boasting 26.9 cu ft of cargo space compared to the GLC Coupe's 19.2 cu ft.

🏎️ Best for Enthusiasts

2025 INFINITI QX55

Enthusiasts will favor the QX55 because it delivers more raw power with 268 hp and 280 lb-ft of torque, outperforming the GLC Coupe's 255 hp.

💰 Best Value

2025 INFINITI QX55

The INFINITI QX55 provides exceptional value, coming in $9,150 cheaper than the base MSRP of the Mercedes-Benz GLC-Class Coupe.

Choose the INFINITI QX55 if...

You prioritize immediate financial savings, as the QX55 undercuts the GLC Coupe's MSRP by $9,150.
You need maximum practicality, evidenced by the QX55's generous 26.9 cu ft of maximum cargo capacity.
You prefer a slightly more powerful setup, as the QX55 churns out 268 hp versus the GLC Coupe's 255 hp.

Choose the Mercedes-Benz GLC-Class Coupe if...

You demand the efficiency edge, as the GLC Coupe offers 3 MPG better on the highway (31 MPG vs 28 MPG).
You appreciate refined transmission technology, featuring a 9-speed shiftable automatic versus the QX55's CVT.
You want the prestige associated with the Mercedes-Benz badge, despite the higher $59,300 entry cost.

Key Dimensions

Dimension	INFINITI QX55	Mercedes-Benz GLC-Class Coupe
Length	186.3"	187.6"
Width	74.9"	74.4"
Height	63.8"	63.5"
Wheelbase	110.2"	113.7"

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	✓	✓
Front Fog 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	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Front Power Adjustable Headrests	—	✓

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	255 hp @ 5800 rpm
Torque	280 lb-ft @ 4800 rpm	295 lb-ft @ 2000 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	9-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
Center Differential Type	Limited Slip	Limited Slip
Hill Descent Control	—	✓

Fuel

Feature	INFINITI	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	22/28 MPG	23/31 MPG
EPA Fuel Economy (Combined)	25 MPG	26 MPG
EPA Driving Range (City/Highway)	352.0/448.0 mi.	400.2/539.4 mi.
Fuel Tank Capacity	16.0 gal.	17.4 gal.

Comfort & Convenience

Feature	INFINITI	Mercedes-Benz
Push Button Start	✓	✓
Power 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	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Dual Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Front View Camera	—	✓
Side View Camera	—	✓
Front Parking Sensors	—	✓
Automatic Parking Assist	—	✓
Cruise Control	—	✓
Overhead Console with Storage	—	✓
Interior Air Filtration	—	✓

In Car Entertainment

Feature	INFINITI	Mercedes-Benz
Infotainment Display	8.0 in	11.9 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
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	INFINITI	Mercedes-Benz
Front Head Room	39.9 in.	38.9 in.
Front Leg Room	39.6 in.	40.8 in.
Front Shoulder Room	57.9 in.	57.3 in.
Front Hip Room	55.6 in.	—
Seat Material: Leather	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	8-way	10-way
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	INFINITI	Mercedes-Benz
Rear Head Room	36.9 in.	38.3 in.
Rear Leg Room	38.7 in.	37.2 in.
Rear Shoulder Room	57.1 in.	56.5 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 Diameter	20 in.	—
Tire Size	255/45R20	235/55R19
Run Flat Tires	✓	—
Wheel Material	—	Alloy
Wheel Size	—	19 x 8.0 in
Tire Type	—	All Season
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

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./ 22500 mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 INFINITI QX55 and 2025 Mercedes-Benz GLC-Class Coupe.

How significant is the performance difference between the 2025 QX55 and the GLC-Class Coupe?

The INFINITI QX55 holds a slight edge in raw power output, generating 268 horsepower and 280 lb-ft of torque. The Mercedes-Benz GLC Coupe focuses more on torque delivery, providing 295 lb-ft, though its 255 horsepower trails the INFINITI.

Is the 2025 Mercedes-Benz GLC Coupe worth the extra $9,150 compared to the INFINITI QX55?

That depends on priorities; the extra cost secures the Mercedes badge, a slightly more efficient powertrain (26 combined MPG vs. 25), and a more advanced 9-speed automatic transmission over the QX55's CVT.

Which vehicle offers more usable space for passengers and cargo?

The 2025 INFINITI QX55 is the clear winner for utility, offering 26.9 cubic feet of cargo room. The sloping roofline on the GLC-Class Coupe significantly restricts space, providing only 19.2 cubic feet.

Are there major differences in fuel requirements for these luxury crossovers?

Both vehicles demand premium gasoline for optimal performance, but the QX55 only recommends it, whereas the GLC-Class Coupe makes premium unleaded fuel a strict requirement.

Does the size difference between the two vehicles impact their driving character?

The physical dimensions are very similar, with the Mercedes being slightly longer (187.6 inches) and narrower (74.4 inches) than the QX55, though both utilize All-Wheel Drive for sure-footed handling.

How does the standard transmission affect the driving feel of each car?

The QX55 uses a Continuously Variable Automatic Transmission (CVT), which often delivers smoother, linear acceleration. The GLC Coupe features a more conventional 9-speed shiftable automatic, providing distinct gear changes that many driving enthusiasts prefer.