2021 INFINITI QX80 Specifications




2021 INFINITI QX80 Specifications

September 3, 2020







ENGINE 




QX80 5.6-liter V8 






Type




VK56VD DOHC 32-valve






Orientation




Longitudinal






Cylinders / configuration




V8






Block / head composition




Aluminum / aluminum






Displacement (liters / cc)




5.6 liters / 5552 cc






Horsepower




400 hp @ 5,800 rpm






Torque




413 lb-ft @ 4,000 rpm






Bore x stroke (mm)




98 x 92






Compression ratio (:1)




11.2:1






Maximum engine speed




6000 rpm






Induction system




Naturally aspirated






Valvetrain




4 valves per cylinder, Continuous Variable Valve Timing Control System 
(CVTCS)






Mounts




Front 
Side Rear




1 electronically controlled liquid-filled 2 solid 
1 solid






Fuel delivery system




Direct Injection Gasoline (DIG™)






Recommended fuel




Premium unleaded






Emissions system




Closed feedback system with 4 catalysts






Emissions certification level




Tier 2-Bin5 (EPA) / LEV2-LEV(CARB)






Exhaust




Single system with stainless steel






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DRIVETRAIN 




QX80 5.6-liter V8 






Drive configuration




&nbsp;


Rear wheel drive (RWD) INFINITI All-Mode® 4WD






Transmission type




7-speed automatic transmission with overdrive






Gear ratios




1st




4.887






&nbsp;




2nd




3.17






&nbsp;




3rd




2.027






&nbsp;




4th




1.412






&nbsp;




5th




1






&nbsp;




6th




0.864






&nbsp;




7th




0.775






&nbsp;




Rev.




4.041






Final drive ratio (:1) Final drive ratio for 
towing (:1




2.937 
2.937






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BODY, SUSPENSION, STEERING 




QX80 5.6-liter V8 






Body type




Body on frame






Front suspension




Double wishbone






Rear suspension




Double wishbone






Steering type




Engine speed variable assist 
Vehicle speed variable assist (optional on SENSORY grade)






Steering ratio




Fixed ratio (:1): 19






Turns (lock-to-lock)




3.5






Turning diameter (feet/meters)




Curb-to-curb: 41.3/12.6 Wall-to-wall: 43.3/13.2






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BRAKES 




QX80 5.6-liter V8 






Front type




Ventilated disc






Rear type




Ventilated disc






Front size (diameter x thickness) (inches / millimeters)




13.78 x 1.18 / 350 x 30






Rear size: (diameter x thickness) 
(inches / millimeters)




13.78 x 0.79 / 350 x 20






2-piston front / 1-piston rear calipers




S






Electronic Brake force Distribution




S






Brake Assist with Preview Braking Function




S






4-wheel / 4-channel / 4-sensor Anti- 
lock Braking System (ABS)




S






Parking brake (mechanical)




Foot-operated






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WHEELS AND TIRES 




LUXE 




PREMIUM SELECT 




SENSORY 






Wheels






Aluminum-alloy 
Forged aluminum-alloy




20”x8”




S




&nbsp;




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22”x8”




&nbsp;




S




S






Tires






All-season




P275/60R20




S




&nbsp;




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All-season




P275/50R22




&nbsp;




S




S






Spare tire




P275/60R20




S




S




S






Spare wheel




Full-size 
temporary 20"




S




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Temporary 20"




&nbsp;




S




S






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EXTERIOR DIMENSIONS 




&nbsp;






Wheelbase (in./mm)




121.1 / 3075






Overall length (in./mm)




210.2 / 5340






Overall width (in./mm)




79.9 / 2030






Overall height (includes roof rails) 
(in./mm)




75.8 / 1925






Front track width (in./mm)




67.5 / 1715






Rear track width (in./mm)




67.9 / 1725






Coefficient of Drag (Cd) includes roof 
rails




0.367






Coefficient of Drag (Cd) with roof rail 
crossbars




0.367






Ground clearance (in./mm)




9.2 / 234






Angle of Approach (degrees)




20.9 (EPA)






Angle of Departure (degrees)




22.3 (EPA)






Ramp Angle (degrees)




20.7 (EPA)






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INTERIOR DIMENSIONS 




Front 




Rear (2nd row) 




Rear (3rd row) 






Headroom (in. /mm)




39.9 / 1012.7




40.0 / 1015.2




36.8 / 934.7






Shoulder room (in. /mm)




63.8 / 1620.0




63.5 / 1611.6




60.5 / 1537.0






Hip room (in. /mm)




59.2 / 1503.4




58.4 / 1482.6




48.8 / 1240.0






Legroom (in. /mm)




39.6 / 1005.8




41.0 / 1041.4




28.8 / 731.1






Knee room (in. /mm)




25.5 / 648.6




28.4 / 721.0




19.7 / 499.5






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CAPACITIES 




&nbsp;






Seating capacity




7 (8 optional)






Total passenger volume (cu ft/liters)




152.5 / 4319.1






Cargo / trunk volume (cu ft/liters)






2nd-row upright, 3rd-row upright




16.6 / 470.1






2nd-row upright, 3rd seat folded flat




49.6 / 1404.6






2nd-row folded, 3rd seat folded flat with 2nd-row captain's chairs/center 
console




95.1 / 2693.7






with 2nd-row bench seat




95.1 / 2693.7






Fuel tank (gals/liters)




26.0 / 98.3






Engine oil (qts/liters)




6.9 / 6.5






Engine coolant (qts/liters)




17.2 / 16.3






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CURB WEIGHTS (lb./ kg.) 




LUXE 




PREMIUM SELECT 




SENSORY 






Front




2885 / 1309




2901 / 1316




2967 / 1346






Rear




2793 / 1267




2805 / 1272




2846 / 1291






Total




5678 / 2575




5706/ 2588




5813 / 2637






GVWR




7300 / 3311




7300 / 3311




7300 / 3311






Weight distribution % (front/rear)




51 / 49






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EPA MILEAGE ESTIMATES 
(Actual mileage may vary)




LUXE 




PREMIUM SELECT 




SENSORY 






City 2WD/4WD




14/13




14/13




14/13






Highway 2WD/4WD




20/19




20/19




20/19






Combined 2WD/4WD




16/15




16/15




16/15






EPA Classification




Sport Utility Vehicle






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