2025 Mercedes-Benz GLC-Class Coupe vs 2026 Audi Q8

$59,300 · Crossover

$75,600 · Crossover

Comparison Overview

The 2025 Mercedes-Benz GLC-Class Coupe captivates with sleek, dynamic styling and efficient performance, offering 255 hp and a respectable 26 MPG combined from its agile 187.6-inch frame. Conversely, the 2026 Audi Q8 steps in as the more commanding presence, boasting a potent 335 hp and significantly more space with 33.7 cu ft of cargo capacity, reflecting its $75,600 sticker price. While the Q8 dominates in raw output and utility, the GLC Coupe immediately appeals with its accessible $59,300 MSRP and a substantial 7 MPG advantage. The gap in driving fervor is clear: the Audi’s 369 lb-ft of torque pulls harder than the Mercedes’ 295 lb-ft. Buyers must weigh the GLC's superior economy against the Q8's sheer power and increased dimensions (196.0 inches long). This comparison pits accessible, fuel-conscious elegance against imposing, performance-oriented luxury.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz GLC-Class Coupe

The GLC-Class Coupe wins for commuters due to its superior fuel economy, achieving 26 MPG combined versus the Q8's 19 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi Q8

The 2026 Audi Q8 is the clear family choice, offering substantially more utility with 33.7 cu ft of cargo capacity compared to the GLC Coupe's 19.2 cu ft.

🏎️ Best for Enthusiasts

2026 Audi Q8

The Audi Q8 satisfies the driving enthusiast with a significant power advantage, putting out 335 hp and 369 lb-ft of torque.

💰 Best Value

2025 Mercedes-Benz GLC-Class Coupe

The Mercedes-Benz GLC Coupe offers a compelling luxury package at a $16,300 lower starting MSRP than the Audi Q8.

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

You prioritize efficiency and want to spend less at the pump, benefiting from 26 combined MPG.
Your budget is tighter, as the $59,300 MSRP undercuts the Q8 by $16,300.
You prefer a more compact footprint for urban maneuvering, indicated by its 187.6-inch length.

Choose the Audi Q8 if...

Maximum hauling capability is essential, leveraging the cavernous 33.7 cu ft of cargo space.
You demand serious acceleration from a powertrain that delivers 335 hp.
You prefer the commanding road presence of a larger vehicle, evidenced by its 196.0-inch length and 79.0-inch width.

Key Dimensions

Dimension	Mercedes-Benz GLC-Class Coupe	Audi Q8
Length	187.6"	196.0"
Width	74.4"	79.0"
Height	63.5"	67.0"
Wheelbase	113.7"	118.0"

Features Comparison

Safety

Feature	Mercedes-Benz	Audi
Blind Spot Monitor	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front 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
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Lane Keeping Assist System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Headlight Washers	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Mercedes-Benz	Audi
Base Engine Displacement	2.0 L	3.0 L
Number of Cylinders	inline 4	V6
Base Engine Type	mild hybrid	mild hybrid
Horsepower	255 hp @ 5800 rpm	335 hp @ 6400 rpm
Torque	295 lb-ft @ 2000 rpm	369 lb-ft @ 1370 rpm
Number of Valves	16	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Mercedes-Benz	Audi
Transmission Type	9-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
Center Differential Type	Limited Slip	Limited Slip
Hill Descent Control	✓	✓

Fuel

Feature	Mercedes-Benz	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	23/31 MPG	17/23 MPG
EPA Fuel Economy (Combined)	26 MPG	19 MPG
EPA Driving Range (City/Highway)	400.2/539.4 mi.	382.5/517.5 mi.
Fuel Tank Capacity	17.4 gal.	22.5 gal.

Comfort & Convenience

Feature	Mercedes-Benz	Audi
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	✓	✓
Front View Camera	✓	—
Side View Camera	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	—
Automatic Parking Assist	✓	—
Wireless Charging Pad	✓	—
Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
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	✓	✓
Rear Parking Sensors with Side Sensing	—	✓
Adaptive Cruise Control	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓

In Car Entertainment

Feature	Mercedes-Benz	Audi
Infotainment Display	11.9 in	10.1 in
AM/FM Stereo	✓	✓
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	6 months	3 months
Speed Sensitive Volume Control	✓	✓
Stereo Power	—	180W
Speaker System	—	10

Power Feature

Feature	Mercedes-Benz	Audi
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Mercedes-Benz	Audi
Front Head Room	38.9 in.	37.1 in.
Front Leg Room	40.8 in.	41.6 in.
Front Shoulder Room	57.3 in.	59.5 in.
Seat Material: Leatherette	✓	—
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	10-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	3	2
Passenger Seat Power Adjustments	10-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	3	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leather	—	✓

Rearseats

Feature	Mercedes-Benz	Audi
Rear Head Room	38.3 in.	38.1 in.
Rear Leg Room	37.2 in.	40.2 in.
Rear Shoulder Room	56.5 in.	58.5 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	✓
Folding Center Armrest	✓	✓

Tires and Wheels

Feature	Mercedes-Benz	Audi
Wheel Material	Alloy	—
Wheel Size	19 x 8.0 in	21 in
Tire Type	All Season	All Season
Tire Size	235/55R19	285/45R21
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Finish	—	Painted Alloy

Suspension

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

Warranty

Feature	Mercedes-Benz	Audi
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	6 yr./ 62000 mi.	—
Corrosion/Rust Warranty	4 yr./ 50000 mi.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 30000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Mercedes-Benz GLC-Class Coupe and 2026 Audi Q8.

What is the core performance difference between the two crossovers?

The Audi Q8 holds a distinct performance edge, generating 335 hp and 369 lb-ft of torque from its engine. The Mercedes-Benz GLC Coupe counters with 255 hp and 295 lb-ft of torque, making the Q8 the significantly more powerful choice for spirited driving.

How much more expensive is the 2026 Audi Q8 than the 2025 Mercedes-Benz GLC Coupe?

The Q8 commands a significant price premium, starting at an MSRP of $75,600, which is $16,300 more than the GLC Coupe's base price of $59,300.

Is the Mercedes-Benz GLC Coupe considerably more fuel efficient for daily driving?

Yes, the GLC Coupe is noticeably more efficient, boasting a combined MPG of 26, whereas the larger Audi Q8 returns only 19 MPG combined. This 7 MPG difference is a major factor for high-mileage commuters.

Which vehicle offers superior utility for hauling gear or luggage?

The Audi Q8 provides substantially more space for cargo, offering 33.7 cu ft, which is nearly double the 19.2 cu ft available in the more sloped rear of the GLC Coupe.

Are both vehicles primarily rear-wheel drive or front-wheel drive biased?

Both the 2025 Mercedes-Benz GLC-Class Coupe and the 2026 Audi Q8 come standard with All-Wheel Drive (AWD) capability for enhanced traction in various conditions.