2021 Infiniti QX80
US · SUV · Standard Sport Utility Vehicle 2WD
The 2021 Infiniti QX80 is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 5.6L 8-cylinder (SIDI), 5.6L 8-cylinder (SIDI; MDPV (Curb Weight >6000 lbs))
- Power
- Not available
- Torque
- Not available
- Transmission
- 7-speed automatic
- Drivetrain
- Varies by configuration: RWD, 4WD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 5.6L 8-cylinder (SIDI), 5.6L 8-cylinder (SIDI; MDPV (Curb Weight >6000 lbs)) | |
| Displacement | 5.6 L | |
| Cylinders | 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Aspiration, Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 7 | |
| Drivetrain | Varies by configuration: RWD, 4WD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 16 mpg (14.7 L/100 km) to 15 mpg (15.7 L/100 km) | EPA fueleconomy.gov |
| City | 14 mpg (16.8 L/100 km) to 13 mpg (18.1 L/100 km) | |
| Highway | 20 mpg (11.8 L/100 km) to 19 mpg (12.4 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 3 recall campaigns for this model year. Last checked October 12, 2026.
26V455000: EQUIPMENT:OTHER:LABELS
Nissan North America, Inc. (Nissan) is recalling certain 2020-2026 Nissan Armada, 2011-2013 Infiniti QX56, and 2014-2027 QX80 vehicles equipped with 22" wheels. The Gross Axle Weight Rating (GAWR) listed on the certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard…
Remedy: Dealers will install new labels, free of charge. Additionally, Nissan will mail replacement labels to owners. Interim letters notifying owners of the safety risk were mailed September 2, 2026. Additional letters will be sent once the…
Reported July 15, 2026. View on NHTSA
21V599000: BACK OVER PREVENTION:DISPLAY FUNCTION
Nissan North America, Inc. (Nissan) is recalling certain 2021 Infinity Q50, Q60, and QX80 vehicles. A software error may deactivate the audio/video control unit screen, preventing the rear-view image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Remedy: Dealers will update the control unit software, free of charge. Owner notification letters were mailed September 14, 2021. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is R21A9.
Reported August 2, 2021. View on NHTSA
21V373000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE
Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Armada and 2020-2021 INFINITI QX80 vehicles equipped with V8 engines. The impeller can swell and bind within the fuel pump module, causing it to fail.
Remedy: Dealers will replace the fuel pump module, free of charge. Owner notification letters were mailed February 4, 2022. Owners may contact Nissan customer service at 1-800-867-7669. Nissan's number for this recall is R21A2. Owners may…
Reported May 20, 2021. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 12, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: October 12, 2026
Data verified: October 12, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
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Frequently asked questions
What engine does the 2021 Infiniti QX80 have?
Varies by configuration: 5.6L 8-cylinder (SIDI), 5.6L 8-cylinder (SIDI; MDPV (Curb Weight >6000 lbs)). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2021 Infiniti QX80?
Combined fuel economy is 16 mpg (14.7 L/100 km) to 15 mpg (15.7 L/100 km), as published by the source shown in the specification table.
Is the 2021 Infiniti QX80 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, 4WD.
Are there recalls for the 2021 Infiniti QX80?
NHTSA lists 3 recall campaigns for this model year (last checked October 12, 2026). Details are in the Recalls section.