2025 Cadillac XT6 vs 2026 Mercedes-Benz GLC

$49,195 · Crossover

$49,550 · Crossover

Comparison Overview

The most significant quantifiable difference between the 2025 Cadillac XT6 and the 2026 Mercedes-Benz GLC is fuel economy, with the GLC achieving a combined 27 MPG compared to the XT6's 23 MPG, translating to a 4 MPG advantage. Despite this efficiency gap, the Cadillac XT6 has a lower starting MSRP at $49,195 versus the GLC's $49,550. Power output favors the Mercedes, delivering 255 hp and 295 lb-ft of torque against the Cadillac's 235 hp and 258 lb-ft. Size metrics also show divergence: the XT6 is nearly 13 inches longer (198.5 vs 177.8, though the GLC length is 185.7 inches provided, the comparison suggests a larger vehicle in the Cadillac, however, focusing strictly on provided data: the XT6 is 198.5 inches long while the GLC is 185.7 inches). Critically, the GLC offers substantially more utility, boasting 21.9 cu ft of cargo capacity, nearly double the XT6's 12.6 cu ft. Both utilize a 9-speed automatic transmission, but the XT6 recommends premium fuel while the GLC requires it.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz GLC

The 2026 Mercedes-Benz GLC wins for commuters due to its superior 27 combined MPG rating compared to the XT6's 23 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Mercedes-Benz GLC

The GLC offers 21.9 cu ft of cargo space, significantly more than the XT6's 12.6 cu ft, which is critical for family hauling needs.

🏎️ Best for Enthusiasts

2026 Mercedes-Benz GLC

The 2026 Mercedes-Benz GLC provides higher performance metrics with 255 hp and 295 lb-ft of torque compared to the XT6's 235 hp and 258 lb-ft.

💰 Best Value

2025 Cadillac XT6

The 2025 Cadillac XT6 undercuts the Mercedes-Benz GLC on initial purchase price with an MSRP of $49,195 versus $49,550.

Choose the Cadillac XT6 if...

The initial purchase price must be minimized, as the XT6 starts at $49,195, undercutting the GLC by $355.
A larger exterior footprint is desired, evidenced by the XT6's 198.5-inch length compared to the GLC's 185.7 inches.
The driver prefers a front-wheel-drive bias for handling characteristics over the GLC's standard rear-wheel drive configuration.

Choose the Mercedes-Benz GLC if...

Fuel efficiency is a top priority, given the GLC’s 27 combined MPG versus the XT6’s 23 combined MPG.
Maximum cargo capacity is required, as the GLC supplies 21.9 cu ft, significantly exceeding the XT6's 12.6 cu ft.
Higher powertrain output is sought, as the GLC delivers 255 hp and 295 lb-ft of torque.

Key Dimensions

Dimension	Cadillac XT6	Mercedes-Benz GLC
Length	198.5"	185.7"
Width	77.3"	74.4"
Height	69.9"	64.6"
Wheelbase	113.0"	113.1"

Features Comparison

Safety

Feature	Cadillac	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	✓	✓
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 Preparation System	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Cornering Lights	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Height Adjustable Headrests	✓	—
Rear Headrests	2	3
Rear Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Adaptive Headlights	—	✓
Front Power Adjustable Headrests	—	✓
Rear Height Adjustable Headrests	—	✓
Anti-Theft Alarm System (Remote)	—	✓

Engine

Feature	Cadillac	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	235 hp @ 5000 rpm	255 hp @ 5800 rpm
Torque	258 lb-ft @ 1500 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	✓	✓
Cylinder Deactivation	✓	—

Drive Train

Feature	Cadillac	Mercedes-Benz
Transmission Type	9-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	front wheel drive	rear wheel drive

Fuel

Feature	Cadillac	Mercedes-Benz
Fuel Type	premium unleaded (recommended)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	21/27 MPG	24/32 MPG
EPA Fuel Economy (Combined)	23 MPG	27 MPG
EPA Driving Range (City/Highway)	399.0/513.0 mi.	417.6/556.8 mi.
Fuel Tank Capacity	19.0 gal.	17.4 gal.

Comfort & Convenience

Feature	Cadillac	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	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Cruise Control	✓	✓
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
3rd Row Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Power Rear Seat Easy Entry	✓	—
Leather 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	—	✓
Automatic Parking Assist	—	✓
Wireless Charging Pad	—	✓
Overhead Console with Storage	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓

In Car Entertainment

Feature	Cadillac	Mercedes-Benz
Infotainment Display	8.0 in	11.9 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Bose	—
Speaker System	8	5
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Speed Sensitive Volume Control	✓	—
Subwoofer Count	—	1

Power Feature

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

Frontseats

Feature	Cadillac	Mercedes-Benz
Front Head Room	39.8 in.	41.3 in.
Front Leg Room	41.2 in.	40.7 in.
Front Shoulder Room	58.3 in.	57.3 in.
Front Hip Room	50.1 in.	—
Seat Material: Leatherette	✓	✓
Front Seat Type: Bucket	✓	✓
Driver Seat Power Adjustments	8-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	6-way	10-way
Passenger Seat Manual Adjustments	2-way	—
Passenger Seat Height Adjustment	✓	✓
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Lumbar Support	—	Power
Driver Seat Thigh Extension	—	✓
Passenger Seat Lumbar Support	—	Power
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	Cadillac	Mercedes-Benz
Rear Head Room	39.1 in.	39.7 in.
Rear Leg Room	39.1 in.	37.4 in.
Rear Shoulder Room	57.4 in.	56.6 in.
Rear Hip Room	55.7 in.	—
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Power Folding Third Row Seat	✓	—

Tires and Wheels

Feature	Cadillac	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Diameter	18 in	—
Tire Type	All Season	All Season
Tire Size	P235/65R	235/60R18
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted
Wheel Material	—	Alloy
Wheel Size	—	18 x 8.0 in

Suspension

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

Warranty

Feature	Cadillac	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	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Roadside Assistance	6 yr./ 70000 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 2025 Cadillac XT6 and 2026 Mercedes-Benz GLC.

Which vehicle has better fuel economy for regular driving?

The 2026 Mercedes-Benz GLC has a measurable advantage in fuel economy, achieving 27 combined MPG (24 city/32 highway). The 2025 Cadillac XT6 only reaches 23 combined MPG (21 city/27 highway).

How much larger is the cargo area in the Mercedes GLC?

The 2026 Mercedes-Benz GLC offers significantly more utility with 21.9 cu ft of cargo capacity. This contrasts sharply with the 2025 Cadillac XT6, which provides only 12.6 cu ft behind the rear seats.

Are there significant differences in required fuel type?

Yes, the 2025 Cadillac XT6 recommends premium unleaded fuel for its 235 hp engine. Conversely, the 2026 Mercedes-Benz GLC strictly requires premium unleaded fuel for its 255 hp output.

Which model has superior horsepower and torque figures?

The 2026 Mercedes-Benz GLC is the more powerful vehicle, producing 255 hp and 295 lb-ft of torque. The Cadillac XT6 is rated at 235 hp and 258 lb-ft of torque.

What is the price difference between the base models?

The 2025 Cadillac XT6 starts at a lower MSRP of $49,195. The 2026 Mercedes-Benz GLC has a slightly higher starting MSRP of $49,550.

Does the drivetrain configuration differ between these crossovers?

They utilize opposing standard drive types; the 2025 Cadillac XT6 comes standard with front-wheel drive, while the 2026 Mercedes-Benz GLC is configured with rear-wheel drive.