2026 BMW X6 M vs 2026 INFINITI QX80

$134,600 · Crossover

$83,750 · SUV

Comparison Overview

Choosing between the brute-force performance of the 2026 BMW X6 M and the sheer size of the 2026 INFINITI QX80 presents a classic luxury dilemma: performance prestige versus maximum utility. The X6 M commands a significant premium, asking an MSRP of $134,600 compared to the QX80's $83,750, a difference of over $50,850. Power delivery is drastically different, with the BMW boasting 617 hp against the INFINITI's 450 hp, creating a 167 hp advantage for the crossover. While the QX80 is physically larger in every dimension, resulting in a taller 76.6-inch height, the X6 M offers slightly more contained dimensions at 194.8 inches long. Furthermore, the QX80 sips fuel at a combined 18 MPG, vastly superior to the X6 M's thirstier setup, though both require premium fuel.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 INFINITI QX80

The INFINITI QX80 is the better daily driver due to its better fuel economy (18 combined MPG) and substantially lower initial cost.

👨‍👩‍👧‍👦 Best for Families

2026 INFINITI QX80

The QX80's significantly larger footprint, including a height of 76.6 inches, implies superior passenger and interior volume for family hauling.

🏎️ Best for Enthusiasts

2026 BMW X6 M

The BMW X6 M is the clear choice for performance enthusiasts, delivering 617 hp and 553 lb-ft of torque, substantially eclipsing the QX80's power output.

💰 Best Value

2026 INFINITI QX80

With a $50,850 lower MSRP and significantly better efficiency, the QX80 provides substantially better financial value.

Choose the BMW X6 M if...

You prioritize outright speed and plan to use the 617 hp system frequently.
You prefer the maneuverability of a slightly shorter vehicle (194.8 inches long).
You want the confident traction provided by the standard All-Wheel Drive system.

Choose the INFINITI QX80 if...

Saving over $50,000 on the purchase price is a major priority.
You need maximum height (76.6 inches) and overall vehicle presence.
You want to avoid refueling as often by achieving 18 combined MPG.

Key Dimensions

Dimension	BMW X6 M	INFINITI QX80
Length	194.8"	211.2"
Width	79.5"	83.3"
Height	66.7"	76.6"
Wheelbase	117.0"	121.1"

Features Comparison

Safety

Feature	BMW	INFINITI
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
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	✓	—
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	3	2
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Third Row Head Airbags	—	✓
Front Fog Lights	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	BMW	INFINITI
Base Engine Displacement	4.4 L	3.5 L
Number of Cylinders	V8	V6
Base Engine Type	mild hybrid	gas
Horsepower	617 hp @ 6000 rpm	450 hp @ 5600 rpm
Torque	553 lb-ft @ 1800 rpm	516 lb-ft @ 3600 rpm
Number of Valves	32	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	BMW	INFINITI
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	rear wheel drive
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	—

Fuel

Feature	BMW	INFINITI
Fuel Type	premium unleaded (required)	premium unleaded (recommended)
EPA Driving Range (City/Highway)	0/0 mi.	377.6/472.0 mi.
Fuel Tank Capacity	21.9 gal.	23.6 gal.
EPA Fuel Economy (City/Highway)	—	16/20 MPG
EPA Fuel Economy (Combined)	—	18 MPG

Comfort & Convenience

Feature	BMW	INFINITI
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 with Side Sensing	✓	—
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	✓	✓
Extended Cabin Heating/Cooling	✓	—
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Rear Parking Sensors	—	✓
Adaptive Cruise Control	—	✓
3rd Row Cupholders	—	✓
Overhead Console with Storage	—	✓
Manual Rear Seat Easy Entry	—	✓
Three Zone Climate Control	—	✓

In Car Entertainment

Feature	BMW	INFINITI
Infotainment Display	14.9 in	14.3 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	600W
Speaker System	16	14
Surround Audio	Discrete	—
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	With Real Time Traffic
Satellite Radio Trial Period	12 months	3 months
Klipsch Speakers	—	✓
Subwoofer Count	—	1
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	BMW	INFINITI
Front Head Room	39.3 in.	39.1 in.
Front Leg Room	40.4 in.	43.8 in.
Front Shoulder Room	61.4 in.	64.2 in.
Seat Material: Premium Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	14-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	14-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	2	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Hip Room	—	59.9 in.
Seat Material: Leatherette	—	✓
Front Seat Type: Bucket	—	✓

Rearseats

Feature	BMW	INFINITI
Rear Head Room	37.5 in.	37.8 in.
Rear Leg Room	35.7 in.	39.2 in.
Rear Shoulder Room	60.7 in.	63.7 in.
Split-Folding Rear Seatback	✓	—
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Rear Hip Room	—	59.9 in.
Folding Rear Seatback	—	✓
Reclining Rear Seats	—	✓
Fixed Center Armrest	—	✓
Heated Rear Seats (Multi-Level)	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	BMW	INFINITI
Wheel Finish	Painted Alloy	—
Wheel Size	22 x 11.5 in.	20 x 8.0 in
Tire Type	Performance	All Season
Tire Size	315/30R	275/60R20
Spare Tire Type	Temporary	Full Size Non-Matching
Spare Tire Location	Inside Mounted	Underbody Mounted
Wheel Material	—	Alloy

Suspension

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

Warranty

Feature	BMW	INFINITI
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 60000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	6 yr./ 70000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	7 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 60000 mi.
Complimentary Scheduled Maintenance	3 yr./ 36000 mi.	3 yr./ 45000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 BMW X6 M and 2026 INFINITI QX80.

What is the most significant functional difference between the 2026 BMW X6 M and the 2026 INFINITI QX80?

The key functional difference lies in performance versus sheer size. The X6 M offers 617 hp from its potent powertrain, whereas the QX80 counters with a significantly larger body, measuring 76.6 inches tall, suggesting more passenger volume.

How much more expensive is the BMW X6 M, and does it require premium gas?

The 2026 BMW X6 M has an MSRP of $134,600, making it $50,850 more expensive than the QX80. Both vehicles explicitly require or recommend premium unleaded fuel for their respective engines.

Which vehicle has more cargo space for errands and trips?

Surprisingly, the smaller-looking BMW X6 M technically holds more cargo with 27.4 cubic feet compared to the massive QX80's 22 cubic feet. This highlights the X6 M's coupe-like crossover design prioritizing rear storage capacity.

Is the INFINITI QX80 more fuel-efficient than the X6 M?

Yes, the QX80 is significantly more efficient, achieving 18 combined MPG (16 city/20 highway). The X6 M’s performance focus results in lower fuel economy figures, though its specific MPG is not listed, it is implied to be much lower given the power difference.

Which vehicle is better equipped for poor weather driving based on drivetrain information?

The BMW X6 M comes standard with All-Wheel Drive, offering better guaranteed traction in slick conditions. The INFINITI QX80 is listed as Rear Wheel Drive, which might require an upgrade package for true all-weather capability.

How do the torque figures compare between the two luxury vehicles?

The BMW X6 M produces 553 lb-ft of torque, giving it a slight edge over the QX80's 516 lb-ft. This, combined with 167 more horsepower, confirms the X6 M is engineered primarily for acceleration.