2025 BMW X6 M vs 2025 Mercedes-Benz Maybach GLS

$132,100 · Crossover

$178,450 · Crossover

Comparison Overview

Deciding between two top-tier performance luxury crossovers, the 2025 BMW X6 M and the 2025 Mercedes-Benz Maybach GLS, often boils down to prioritizing outright power versus ultimate opulence. If your dilemma centers on maximizing horsepower per dollar, the X6 M presents a compelling case. It boasts 617 hp from its engine, significantly eclipsing the Maybach GLS's 550 hp output, despite a hefty $46,350 MSRP difference—the X6 M starting at $132,100 versus the Maybach's $178,450. Both vehicles share an identical combined fuel economy rating of 15 MPG, requiring premium fuel for their AWD systems. However, the size difference is notable; the Maybach GLS is nearly 6 inches taller at 72.4 inches and almost 5 inches longer overall (204.9 inches), providing a more imposing presence, though the X6 M wins on usable cargo space with 27.4 cu ft versus the Maybach’s 18.4 cu ft.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW X6 M

The X6 M offers more agile dimensions (195.0 inches long) that are slightly easier to manage in urban traffic compared to the massive Maybach GLS.

👨‍👩‍👧‍👦 Best for Families

2025 Mercedes-Benz Maybach GLS

The Maybach GLS is significantly taller at 72.4 inches and longer, suggesting a roomier, more upright cabin experience important for family comfort.

🏎️ Best for Enthusiasts

2025 BMW X6 M

The 2025 BMW X6 M clearly wins on performance specifications, delivering 67 more horsepower (617 hp vs 550 hp) and 15 lb-ft more torque.

💰 Best Value

2025 BMW X6 M

The X6 M provides significantly more horsepower for $46,350 less than the Mercedes-Benz Maybach GLS.

Choose the BMW X6 M if...

You demand the highest potential power figure, as the X6 M provides 617 hp.
You want to save $46,350, with the X6 M's MSRP being $132,100.
You need better practical space, benefiting from the X6 M's superior 27.4 cu ft of cargo capacity.

Choose the Mercedes-Benz Maybach GLS if...

Your priority is maximum rear-seat spaciousness and height, evidenced by its 72.4-inch height.
You prefer the smoother shifting characteristic of a 9-speed automatic transmission over the X6 M's 8-speed.
You desire a larger on-road presence due to its 204.9-inch length.

Key Dimensions

Dimension	BMW X6 M	Mercedes-Benz Maybach GLS
Length	195.0"	204.9"
Width	79.5"	79.9"
Height	66.7"	72.4"
Wheelbase	117.0"	123.4"

Features Comparison

Safety

Feature	BMW	Mercedes-Benz
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
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	✓	✓
Self-Leveling 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 Keeping Assist System	—	✓
Front Cross Traffic Alert	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Adaptive Headlights	—	✓
Cornering Lights	—	✓
Rear Multi-Adjustable Headrests	—	✓

Engine

Feature	BMW	Mercedes-Benz
Base Engine Displacement	4.4 L	4.0 L
Number of Cylinders	V8	V8
Base Engine Type	mild hybrid	mild hybrid
Horsepower	617 hp @ 6000 rpm	550 hp @ 6500 rpm
Torque	553 lb-ft @ 1800 rpm	538 lb-ft @ 5000 rpm
Number of Valves	32	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	BMW	Mercedes-Benz
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	✓
Center Differential Type	—	Limited Slip

Fuel

Feature	BMW	Mercedes-Benz
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	13/18 MPG	13/18 MPG
EPA Fuel Economy (Combined)	15 MPG	15 MPG
EPA Driving Range (City/Highway)	284.7/394.2 mi.	309.4/428.4 mi.
Fuel Tank Capacity	21.9 gal.	23.8 gal.

Comfort & Convenience

Feature	BMW	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	✓	✓
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	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	✓
Four Zone Climate Control	✓	✓
Rear Ventilation Ducts with Fan Control	✓	✓
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Adaptive Cruise Control	—	✓
Sun Sensor	—	✓

In Car Entertainment

Feature	BMW	Mercedes-Benz
Infotainment Display	14.9 in	12.3 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	Burmester
Stereo Power	464W	1590W
Speaker System	16	27
Subwoofer Count	2	1
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	✓
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	With Real Time Traffic
Satellite Radio Trial Period	12 months	—
Premium Brand Stereo System	—	Burmester
Satellite Radio Subscription Duration	—	36 months
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	BMW	Mercedes-Benz
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	2nd Row Fixed Glass
Keyless Entry	✓	✓
Reverse Tilt Passenger Mirror	✓	—
Heated Mirrors	✓	✓
Sunroof Type	—	1st Row Power Fabric Extended
Reverse Tilt Dual Mirrors	—	✓

Frontseats

Feature	BMW	Mercedes-Benz
Front Head Room	39.3 in.	42.5 in.
Front Leg Room	40.4 in.	40.3 in.
Front Shoulder Room	60.0 in.	59.3 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	14-way	12-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	✓
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	14-way	12-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	✓
Passenger Seat Memory Settings	2	3
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Seat Type: Bucket	—	✓
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	BMW	Mercedes-Benz
Rear Head Room	37.5 in.	40.2 in.
Rear Leg Room	35.7 in.	43.4 in.
Rear Shoulder Room	57.7 in.	56.1 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓
Rear Seat Ventilation	—	✓

Tires and Wheels

Feature	BMW	Mercedes-Benz
Wheel Finish	Painted Alloy	—
Wheel Size	21 x 11.5 in.	22 x 11.5 in.
Tire Type	Performance	Performance
Tire Size	315/35R	325/40R22
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Material	—	Alloy

Suspension

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

Warranty

Feature	BMW	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW X6 M and 2025 Mercedes-Benz Maybach GLS.

How much more power does the BMW X6 M have compared to the Maybach GLS?

The 2025 BMW X6 M is substantially more powerful, putting out 617 hp, whereas the 2025 Mercedes-Benz Maybach GLS is rated at 550 hp. This 67 hp difference means the X6 M will likely offer superior acceleration despite the similar 553 lb-ft (X6 M) and 538 lb-ft (Maybach) torque ratings.

Are the fuel costs significantly different between these two luxury crossovers?

No, based on the provided figures, the fuel costs should be nearly identical in terms of consumption; both achieve a combined 15 MPG (13 City/18 Highway) and both strictly require premium unleaded gasoline.

Which vehicle offers more space for luggage?

The BMW X6 M wins clearly on raw cargo volume, offering 27.4 cubic feet compared to the Maybach GLS’s 18.4 cubic feet. However, the Maybach GLS is physically much larger overall.

Is the Maybach GLS much bigger than the X6 M?

Yes, the Maybach GLS is significantly larger, measuring 204.9 inches long and 72.4 inches tall, which is roughly 5.9 inches longer and 5.7 inches taller than the BMW X6 M's dimensions.

What is the primary reason to choose the Maybach GLS if it costs $46,350 more?

The primary draw of the Maybach GLS at the higher price point is likely its focus on extreme rear-seat luxury and imposing size, as it yields less power and less cargo capacity than the X6 M.