2026 GMC Yukon XL vs 2026 Mercedes-Benz GLC Coupe

$72,200 · SUV

$59,650 · Crossover

Comparison Overview

The most significant numerical variance between the 2026 GMC Yukon XL and the 2026 Mercedes-Benz GLC Coupe is the $12,550 MSRP difference, with the GLC Coupe starting at $59,650 compared to the Yukon XL’s $72,200. Fuel efficiency also shows a substantial 9 MPG gap in combined rating, as the GLC Coupe achieves 26 MPG versus the Yukon XL's 17 MPG. Furthermore, the Yukon XL generates 100 more horsepower (355 hp vs. 255 hp) and 88 more lb-ft of torque (383 lb-ft vs. 295 lb-ft). Cargo capacity is heavily skewed toward the larger GMC, offering 41.5 cu ft compared to the Mercedes' 19.2 cu ft. The dimensions are vastly different: the Yukon XL measures 225.2 inches long, while the GLC Coupe is 187.6 inches long, highlighting the full-size body-on-frame versus the compact crossover distinction.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLC Coupe

The 2026 Mercedes-Benz GLC Coupe wins for commuters due to its superior 26 combined MPG rating compared to the Yukon XL's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 GMC Yukon XL

The 2026 GMC Yukon XL is the clear family choice, providing 41.5 cu ft of cargo capacity, significantly more than the GLC Coupe's 19.2 cu ft.

🏎️ Best for Enthusiasts

2026 GMC Yukon XL

The Yukon XL appeals more to power enthusiasts with its 355 hp and 383 lb-ft of torque, significantly outperforming the GLC Coupe's 255 hp and 295 lb-ft.

💰 Best Value

2026 Mercedes-Benz GLC Coupe

The GLC Coupe offers better value by costing $12,550 less, although it mandates premium unleaded fuel.

Choose the GMC Yukon XL if...

Maximum utility is required, as the Yukon XL offers 41.5 cu ft of cargo space.
The highest available towing and power output (355 hp) is a priority for large loads.
RWD preference is held, as the Yukon XL comes standard with RWD against the GLC Coupe's AWD.

Choose the Mercedes-Benz GLC Coupe if...

Fuel economy is a critical factor, given the GLC Coupe’s 26 combined MPG rating.
A lower initial investment is desired, with an MSRP of $59,650 compared to Car 1's $72,200.
All-wheel drive capability is preferred for varied road conditions, which the GLC Coupe provides.

Key Dimensions

Dimension	GMC Yukon XL	Mercedes-Benz GLC Coupe
Length	225.2"	187.6"
Width	81.0"	74.4"
Height	76.5"	63.5"
Wheelbase	134.0"	113.7"

Features Comparison

Safety

Feature	GMC	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	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Third Row 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	2	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	GMC	Mercedes-Benz
Base Engine Displacement	5.3 L	2.0 L
Number of Cylinders	V8	inline 4
Base Engine Type	gas	mild hybrid
Horsepower	355 hp @ 5600 rpm	255 hp @ 5800 rpm
Torque	383 lb-ft @ 4100 rpm	295 lb-ft @ 2000 rpm
Number of Valves	16	16
Camshaft Type	Overhead valves (OHV)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	GMC	Mercedes-Benz
Transmission Type	10-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	rear wheel drive	all wheel drive
Rear Differential Type	Limited Slip	—
Center Differential Type	—	Limited Slip
Hill Descent Control	—	✓

Fuel

Feature	GMC	Mercedes-Benz
Fuel Type	regular unleaded	premium unleaded (required)
EPA Fuel Economy (City/Highway)	15/20 MPG	23/31 MPG
EPA Fuel Economy (Combined)	17 MPG	26 MPG
EPA Driving Range (City/Highway)	420.0/560.0 mi.	400.2/539.4 mi.
Fuel Tank Capacity	28.0 gal.	17.4 gal.

Comfort & Convenience

Feature	GMC	Mercedes-Benz
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	—
Audio Controls on Steering Wheel	✓	✓
Cruise Control 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	✓	✓
Adaptive Cruise Control	✓	—
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
3rd Row Cupholders	✓	—
Front Door Pockets	✓	✓
Overhead Console with Storage	✓	✓
Front Seatback Storage	✓	✓
Power Rear Seat Easy Entry	✓	—
Leatherette Steering Wheel	✓	—
Heated Steering Wheel	✓	—
Three Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Interior Air Filtration	✓	✓
Sun Sensor	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Power Tilt and Telescopic Steering Wheel	—	✓
Transmission Controls on Steering Wheel	—	✓
Cruise Control	—	✓
Rear Door Pockets	—	✓
Leather Steering Wheel	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓

In Car Entertainment

Feature	GMC	Mercedes-Benz
Infotainment Display	16.8 in	11.9 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	10	—
Subwoofer Count	1	—
Surround Audio	Discrete	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Speed Sensitive Volume Control	✓	✓
Satellite Radio Trial Period	—	6 months

Power Feature

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

Frontseats

Feature	GMC	Mercedes-Benz
Front Head Room	42.3 in.	38.9 in.
Front Leg Room	44.5 in.	40.8 in.
Front Shoulder Room	65.5 in.	57.3 in.
Front Hip Room	61.5 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	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Seat Material: Leatherette	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	GMC	Mercedes-Benz
Rear Head Room	38.9 in.	38.3 in.
Rear Leg Room	42.0 in.	37.2 in.
Rear Shoulder Room	64.7 in.	57.3 in.
Rear Hip Room	61.3 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	✓	—
Power Folding Third Row Seat	✓	—
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	GMC	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	20 x 9.0 in	19 x 8.0 in
Tire Type	All Season	All Season
Tire Size	275/60R20	235/55R19
Spare Tire Type	Full Size Non-Matching	Temporary
Spare Tire Location	Underbody Mounted	Inside Mounted
Wheel Material	—	Alloy

Suspension

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

Warranty

Feature	GMC	Mercedes-Benz
Basic Warranty	3 yr./ 36000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	6 yr./ 100000 mi.	4 yr./ 50000 mi.
Roadside Assistance	5 yr./ 60000 mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 GMC Yukon XL and 2026 Mercedes-Benz GLC Coupe.

What is the precise difference in exterior footprint between the two vehicles?

The 2026 GMC Yukon XL is substantially larger, measuring 225.2 inches in length and 81.0 inches in width. In contrast, the 2026 Mercedes-Benz GLC Coupe is a more compact 187.6 inches long and 74.4 inches wide.

Does the lower price of the GLC Coupe mask higher ongoing fuel costs?

Yes, the GLC Coupe requires premium unleaded fuel, whereas the Yukon XL uses regular unleaded. Despite this, the GLC Coupe's superior 26 combined MPG offsets the premium fuel penalty compared to the Yukon XL’s 17 combined MPG.

Which vehicle offers more passenger and cargo volume based strictly on provided dimensions?

The Yukon XL provides significantly more cargo volume at 41.5 cu ft, which is more than double the GLC Coupe's 19.2 cu ft. Furthermore, the Yukon XL is 13 inches taller, suggesting superior interior headroom.

How does the base drivetrain and transmission architecture differ?

The Yukon XL utilizes a rear-wheel-drive platform paired with a 10-speed automatic transmission. The GLC Coupe features all-wheel drive coupled with a 9-speed automatic transmission.

Is the power difference substantial enough to notice in everyday driving?

The 100 horsepower advantage held by the Yukon XL (355 hp vs. 255 hp) is significant, especially considering the Yukon XL’s larger vehicle class, indicating superior acceleration potential relative to its size.