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ProblemsByVin File / 2021-INFINITI-QX50 NHTSA data synced 9 hours ago
2021 · INFINITI

INFINITI QX50 problems

Light NHTSA footprint — 36 owner complaints. Either a clean record or thin data; we'll show what's there.

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Reliability score
8.2 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

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Critical
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Severe
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Moderate
Should you avoid this 2021 QX50?
Generally reliable

Buyable on the data — keep up the usual maintenance and inspect normally.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

Top trouble spots 2 categories with 3+ complaints

engine
17 reports · fails ~86,336 mi · avg $3,100
moderate
electrical
7 reports · avg $850
moderate
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2021 QX50's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2021 QX50?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2021 QX50 · electrical
Around 530pm At the corner of Briarcliff Rd NE Atlanta Ga and N Druid Hills Rd NE Atlanta GA As I was about to accelerate after the Red Light turned green, my car experienced a significant loss of power. Several warning lights came on, the engine light came on and a warning…
2021 QX50 · engine
The contact owns a 2021 Infiniti QX50. The contact stated that the vehicle was taken to a dealer for an oil change; however, the dealer informed the contact that the turbocharger needed to be replaced. The vehicle was repaired; however, while driving at an undisclosed speed,…
12/03/2025 · at 90,321 mi · NHTSA ODI #11702707.0 · see engine pattern →
2021 QX50 · powertrain
Without any warning or indicator light on the dash, the vehicle lost power when pulling out of our driveway - we live on a main road and were very lucky not to be hit by upcoming traffic. The car went into limp mode and would not accelerate past 20mph. We have been fighting with…
10/25/2024 · NHTSA ODI #11621911.0
2021 QX50 · engine
The contact owns a 2021 Infiniti QX50. The contact stated that while attempting to start the vehicle, the vehicle failed to start and was inoperable. The check engine warning light was illuminated. The contact received notification of NHTSA Campaign Number: 25V437000 (Engine and…
09/17/2025 · at 59,000 mi · NHTSA ODI #11687923.0 · see engine pattern →
View all 36 owner complaints →
Had a problem with your 2021 INFINITI QX50? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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At 80,000 miles
Likely repair cost in next 24 months
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Common questions

Is the 2021 Infiniti QX50 reliable?

Mostly yes. With a reliability score of 8.2 out of 10 based on 36 owner complaints filed with NHTSA, the 2021 Infiniti QX50 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

Should you avoid the 2021 Infiniti QX50?

On the NHTSA data, the 2021 INFINITI QX50 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What's the most common problem on the 2021 Infiniti QX50?

Based on NHTSA records, the most-reported issue is engine, with 17 complaints filed. Typical failure occurs around 86,336 miles. Average repair cost runs about $3,100 at an independent shop.

What's the most expensive thing that goes wrong?

The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Typical failure occurs around 86,336 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Infiniti QX50 has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Infiniti QX50?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 36 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 9 hours ago. Verify the raw federal record at nhtsa.gov/vehicle/2021/INFINITI/QX50. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with INFINITI. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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