Is the 2020 Infiniti QX80 reliable?

The 2020 Infiniti QX80 has 10 complaints filed with NHTSA (0.6x the segment average). Our reliability verdict: excellent. Most common issue: DRIVER ASSIST/CAMERAS problems.

What are common problems with the 2020 Infiniti QX80?

Top problems: DRIVER ASSIST/CAMERAS (4 complaints, avg repair $500); OTHER (2 complaints, avg repair $500); SPEED CONTROL (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2020 Infiniti QX80?

Yes, there are 1 recall(s): FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE. Contact any Infiniti dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2020 Infiniti QX80?

The 2020 Infiniti QX80 gets 16 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $3000. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2020 Infiniti QX80?

Estimated US average full-coverage insurance for the 2020 Infiniti QX80 is approximately $2,215/year (suv-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2020 Infiniti QX80

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Infiniti QX80 has 10 owner complaints filed with NHTSA — that's 0.6x the segment average of 18. The most common issue is driver assist/cameras problems (40% of all complaints), specifically: vehicle aggressively and without cause engaged the automatic emergency braking system causing the driver to be slammed against her seat belt and almost having the car in back of us to almost rear end our vehicle. this has happened in the past but it has been a manageable slight deceleration when go. There is 1 recall issued for this model year.

Total Complaints

Recalls Issued

4/5

Safety Stars

0.6x

vs Segment Avg

Known Problems(top 5 of 6)

DRIVER ASSIST/CAMERAS

4 complaints

40%

• Vehicle aggressively and without cause engaged the Automatic Emergency Braking System causing the driver to be slammed against her seat belt and almost having the car in back of us to almost rear end our vehicle. This has happened in the past but it has been a manageable slight deceleration when go
• While waiting in a parking lot, I was reviewing the settings available on the lower center display, one of those options was for "Camera." Inside this menu I found and made adjustment for options like brightness, contrast, tint, color, and black level... and while most of those seemed to work well
• The brakes automatically engage without cause. The problem occurs at both city and highway speeds, from 20-75 mph. It is particularly bad when passing underneath a bridge. The car will abruptly stop. This has been ongoing for monthes. Sometimes, the vehicle will act inappropriately when the brake i

Typical onset: 50K miles Est. repair: $500

“Vehicle aggressively and without cause engaged the Automatic Emergency Braking System causing the driver to be slammed against her seat belt and almost having the car in back of us to almost rear end our vehicle. This has happened in the past but it has been a manageable slight deceleration when go”

— NHTSA complaint filing

Recalls (1)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE20/05/2021

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.

Risk: Fuel pump failure can cause an engine stall, increasing the risk of a crash.

Fix: 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 contact INFINITI customer service at 1-800-662-6200. INFINITI's number for this recall is R21A3.

Fuel Cost Calculator for 2020 Infiniti QX80

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$3,001

Per month

$250

Per mile

25.0¢

MPG

City driving (worst-case MPG)

$3,429/yr

Highway driving (best-case MPG)

$2,401/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2020 Infiniti QX80

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$2,215

Full coverage / month

$185

Liability only / year

$717

vs US avg

+32%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-luxury)1.35x

× theft risk1.00x

× safety rating0.98x

× vehicle age1.00x

= Full coverage estimate$2215

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Infiniti New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 60K mi

Powertrain

6 yr / 70K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

7 yr / unlimited mi

Roadside assistance

4 yr / unlimited mi

These are the terms for a new Infiniti. If you're buying a used 2020 QX80, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Infiniti dealer for VIN-specific remaining warranty.

Estimated Repair Costs

DRIVER ASSIST/CAMERAS(~50K mi)

$500

OTHER(~50K mi)

$500

SPEED CONTROL(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

VISIBILITY(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 10 owner complaints for this specific year, here's what to check or ask about:

☐
DRIVER ASSIST/CAMERAS: Vehicle aggressively and without cause engaged the Automatic Emergency Braking System causing the driver to be slammed against her seat belt and almost having the car in back of us to almost rear end our vehicle. This has happened in the past but it has been a manageable slight deceleration when go
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: While waiting in a parking lot, I was reviewing the settings available on the lower center display, one of those options was for "Camera." Inside this menu I found and made adjustment for options like brightness, contrast, tint, color, and black level... and while most of those seemed to work well
Typically appears around 50K miles. Repair cost ~$500
☐
SPEED CONTROL: THE CRUISE CONTROL IS VERY ABRUPTED WHEN ENGAGING THE RESUME FEATURE. THE CRUISE WILL CAUSE THE TRANSMISSION TO DOWNSHIFT AND ENGINE TO REV ABOVE 5000 RPMS FOR JUST A COUPLE OF MPH SPEED INCREASE. I BELIEVE THIS A DESIGN FLAW THAT COULD CAUSE A DRIVER TO LOSE CONTROL OF THE CAR.
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: The contact owns a 2020 Infiniti QX80. The contact received notification of NHTSA Campaign Number: 21V373000 (Fuel System, Gasoline) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repai
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 1 recall have been completed — free at any Infiniti dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)