2021 Infiniti QX80: True Cost, Problems & Verdict
7 NHTSA owner complaints · 3 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 7 filed with NHTSA
Complaints per year on the road: 1.4
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
The vehicle loses power due to failure of fuel pump, this causes the vehicle to stall out whilst driving. exactly as described in [XXX] this is a known issue with 2021 Infiniti QX80 and Infiniti tells me there is no open recal for our vehicle. This is unsafe and dangerous. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
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 ser…
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 c…
Recalls: 3 campaigns (1 severe)
| Campaign | Component | Summary |
|---|---|---|
| 21V599000 | Back Over Prevention:Display Function | Nissan North America, Inc. (Nissan) is recalling certain 2021 Infinity Q50, Q60, and QX80 vehicles. |
| 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. |
| 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. |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a large premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 16 MPG · estimated annual fuel cost $4,750
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Fuel/Propulsion System2 complaints · typical job: Fuel pump or injector replacement (3.5 h labour + parts)$680–$1,620
- Vehicle Speed Control2 complaints · typical job: Throttle body, pedal sensor or cruise module replacement (2.5 h labour + parts)$520–$1,150
- Engine2 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Power Train1 complaints · typical job: Transmission service or clutch-pack repair (7.0 h labour + parts)$1,290–$4,040
- Visibility1 complaints · typical job: Glass, wiper or defogger repair (2.5 h labour + parts)$490–$1,200
- Unknown Or Other1 complaints · typical job: Diagnosis and mixed repair (2.0 h labour + parts)$360–$940
Other Infiniti QX80 years
FAQ
What is the most common problem with the 2021 Infiniti QX80?
The most-reported issue in NHTSA complaint data is Fuel/Propulsion System (2 complaints in our indexed sample).
Is the 2021 Infiniti QX80 a good used car to buy?
Our data verdict is BUY with a reliability score of 86/100, computed from 7 NHTSA complaints and 3 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2021 Infiniti QX80's most common problem?
2 of the NHTSA complaints filed against the 2021 Infiniti QX80 sit in the Fuel/Propulsion System group — more than any other component on this model year. The representative job there is fuel pump or injector replacement: about 3.5 hours of labour plus parts, roughly $680–$1,620 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2021 Infiniti QX80 cost to run per year?
About $6,146 a year in fuel or energy plus the maintenance band — roughly $30,730 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2021 Infiniti QX80 have recalls?
Yes — NHTSA lists 3 recall campaign(s) for the 2021 Infiniti QX80, 1 of them touching fire, crash or stall risk, the most recent recorded 02/08/2021. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury larges of about the same age.
What will a 2021 Infiniti QX80 really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Thin evidence — 7 complaints, 3 recalls on record
- 7 NHTSA complaints on record (1.4/yr of exposure) — in line with a typical year of this model (1.4/yr)
- 3 recall campaigns, 1 touching safety-critical systems
- Thin complaint record — this score is held close to the model's own average rather than read as evidence of quality