Research 2021 Infiniti QX80 specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.



Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Brake Type 4-Wheel Disc
Brake ABS System 4-Wheel
Brake ABS System (Second Line) 4-Wheel
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 13.8
Rear Brake Rotor Diam x Thickness (in) 13.8

Cargo Area Dimensions

Cargo Area Length @ Floor to Seat 3 (in) 20.2
Cargo Area Length @ Floor to Seat 2 (in) 49.1
Cargo Volume to Seat 1 (ft³) 95.1
Cargo Volume to Seat 3 (ft³) 16.6
Cargo Volume to Seat 2 (ft³) 49.6
Cargo Area Length @ Floor to Seat 1 (in) 86.2
Cargo Box (Area) Height (in) 36.7
Cargo Area Width @ Beltline (in) 50.2


Cold Cranking Amps @ 0° F (2nd) 710
Maximum Alternator Capacity (amps) 150
Cold Cranking Amps @ 0° F (Primary) 710


Tons/yr of CO2 Emissions @ 15K mi/year 11.2


SAE Net Torque @ RPM 413 @ 4000
Fuel System Gasoline Direct Injection
Displacement 5.6 L/339
Engine Type Premium Unleaded V-8
Engine Order Code
Engine Oil Cooler None
SAE Net Horsepower @ RPM 400 @ 5800

Exterior Dimensions

Liftover Height (in) 34.9
Height, Overall (in) 75.8
Track Width, Front (in) 67.5
Track Width, Rear (in) 67.9
Length, Overall (in) 210.2
Wheelbase (in) 121.1
Width, Max w/o mirrors (in) 79.9
Min Ground Clearance (in) 9.2

Fuel Tank

Fuel Tank Capacity, Approx (gal) 26

Interior Dimensions

Second Head Room (in) 40
Passenger Capacity 8
Passenger Capacity 7
Front Head Room (in) 39.9
Front Leg Room (in) 39.6
Front Shoulder Room (in) 63.8
Front Hip Room (in) 59.2
Second Leg Room (in) 41
Second Shoulder Room (in) 63.5
Second Hip Room (in) 58.4
Third Head Room (in) 36.8
Third Leg Room (in) 28.8
Third Shoulder Room (in) 60.5
Third Hip Room (in) 48.8


EPA Fuel Economy Est - Hwy (MPG) 20
EPA Fuel Economy Est - City (MPG) 14
Fuel Economy Est-Combined (MPG) 16


Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 41.6


Vehicle Name INFINITI QX80
Body Style Sport Utility
Body Code S


Axle Type - Front Independent
Axle Type - Rear Independent
Axle Ratio (:1) - Front 2.94
Axle Ratio (:1) - Rear 2.94
Suspension Type - Rear Double Wishbone
Suspension Type - Front Double Wishbone


Front Tire Size P275/60HR20
Spare Tire Size Full-Size
Front Tire Order Code
Rear Tire Order Code
Spare Tire Order Code
Rear Tire Size P275/60HR20


Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 8500
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Maximum Trailering Capacity (lbs) 8500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 850


Drivetrain Rear Wheel Drive
Trans PTO Access No
Transfer Case Model None
Seventh Gear Ratio (:1) 0.78
Trans Description Cont. Automatic w/OD
Trans Type 7
Trans Order Code
Trans Description Cont. Again
Fourth Gear Ratio (:1) 1.41
Fifth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 0.86
Reverse Ratio (:1) 4.04
Transfer Case Power Take Off No
Third Gear Ratio (:1) 2.03
Second Gear Ratio (:1) 3.17
First Gear Ratio (:1) 4.89

Weight Information

Gross Vehicle Weight Rating Cap (lbs) 7300
Gross Combined Wt Rating (lbs) 14300


Rear Wheel Size (in) 20 X 8
Front Wheel Size (in) 20 X 8
Spare Wheel Material Aluminum
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Size (in) Full-Size