Skip to content
Infiniti QX80Model year report

2021 Infiniti QX80 Problems

Complaints
7filed with NHTSA
Median mileage
62,000miles, 1 complaints with mileage
Recalls
3campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
4 / 5stars overall, 2 rated versions
EPA fuel economy
16 mpgcombined, 5.6L 8-cyl RWD · 14 city / 20 hwy

Sources: NHTSA records for the 2021 Infiniti QX80 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 7 consumer complaints for the 2021 Infiniti QX80. The part named most often is engine, with 2 complaints (29% of the total), followed by fuel system (2) and vehicle speed control (2). 1 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 62,000 miles. NHTSA lists 3 recall campaigns and 98 technical service bulletins for this model year. Engine complaints overlap with 1 technical service bulletin filed under the same part. Fuel system complaints overlap with 1 recall campaign covering the control/drive module and 2 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Engine: “I have been saying that my vehicle is a safety hazard since April 2022. I have had it to the dealer 4x since then in addition to opening up several cases with Inifiniti Customer Service, but nobody has been able to protect my family and I and remedy the situation. At times the vehicle will not accelerate even when I push the gas all the way down. Then it will kick in and surge forward. I also have told them that at times it feels as if someone has rear ended me. There is a recall out there for cars manufactured through April 2020, but mine was manufactured in September 2020. …”

NHTSA complaint #11711375, filed 2026-01

Fuel system: “What component or system failed or malfunctioned, and is it available for inspection upon request? Fuel Rail/ System Pressure too low How was your safety or the safety of others put at risk? Car engine could stall and increasing the risk of a crash Has the problem been reproduced or confirmed by a dealer or independent service center? active recall R21A3 reported May 19,2021, yes got checked at Firestone auto care also this NHTSA Campaign ID 21V373000 Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? …”

NHTSA complaint #11575429, filed 2024-03

Vehicle speed control: “This is a 2021 Vehicle, and beginning in April of 2022, I have been telling my dealer that there is something wrong, but they haven't been able to fix it. When I am driving, there are times when the car will fail to accelerate. Also at times it feels like I have been rear ended and the car lurches. I have said this is a safety issue and neither the dealer nor Inifiniti Customer Consumer Affairs have taken this seriously and remedied the situation. They all say there is nothing they can do. I have taken it to the dealer 6 times and opened up a case with Infiniti back in 2024 with no resolution.”

NHTSA complaint #11709395, filed 2026-01

Mileage when problems were reported

0% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 62,000 and 62,000 miles.

0%0–100%10–250%25–50100%50–750%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (1 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 62,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20233202420263
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2021 Infiniti QX80. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
QX80 · SUV AWD★★★★☆2 / 3553 · 21.9% risk
QX80 · SUV RWD★★★★☆2 / 3553 · 23.7% risk

Driver aids listed by NHTSA for the 2021 model year: forward collision warning standard, lane departure warning standard, automatic emergency braking not available.

Neighbouring years: 2020: same overall rating. A redesign between years can change both the car and the test.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2021 Infiniti QX80 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
QX80 2WD5.6L 8-cyl7-speed automatic142016$5,150
QX80 4WD5.6L 8-cyl7-speed automatic131915$5,500

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2021 Infiniti QX80 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 98 on record; the latest 10 are shown.

See all 98 bulletins →

Other model years of the Infiniti QX80

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
202679002—18—Too new
202583,0004—18—Too new
2021762,0003416—Not enough data
202062,5002416—Not enough data
20192111,0002416—Falling
2018913,7002—16—Not enough data
20171777,0001—16—Falling
20161527,4481—16—Rising
20151851,0002—16—Rising
20142178,0004—16—Falling

All Infiniti QX80 model years

Frequently asked questions

How many NHTSA complaints does the 2021 Infiniti QX80 have?

NHTSA recorded 7 consumer complaints for the 2021 Infiniti QX80 as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2021 Infiniti QX80 is reported most often?

Engine is named most often, in 2 complaints (29% of the total), followed by fuel system with 2.

Has the 2021 Infiniti QX80 been recalled?

NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

How did the 2021 Infiniti QX80 do in NHTSA crash tests?

NHTSA's 5-Star Safety Ratings give the 2021 Infiniti QX80 4 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.

What gas mileage does the 2021 Infiniti QX80 get?

The EPA rates the 2021 Infiniti QX80 (QX80 2WD, 5.6L 8-cyl) at 16 mpg combined, 14 city and 20 highway, with an estimated annual fuel cost of $5,150 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2021 Infiniti QX80 reported?

Among the 1 complaints that include a mileage, the median is 62,000 miles and the middle half falls between 62,000 and 62,000 miles; 0% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.