2021 Infiniti QX50: Recalls, Problems & MPG
Here are the deets on the 2021 Infiniti QX50: 2 recalls, 41 owner complaints and up to 26 mpg combined.
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Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Suspension, Steering Vehicle recall #21V402000 · 2021 · 14,276 vehicles
What's wrong: Nissan north america, Inc. (Nissan) is recalling certain 2020 Nissan murano, Infiniti qx60, 2021 Nissan gt-r, Infiniti qx50, and q50 vehicles. The front steering knuckle or rear axle housing May have insufficient strength due to improper heat-treatment.
Why it matters: The steering knuckle or rear axle could deform upon impact, such as from hitting a curb, resulting in a loss of steering control, or possible wheel separation. Both of these conditions can increase the risk of a crash.
The fix: Dealers will inspect and replace the front steering knuckle and rear axle housing, as necessary, free of charge. Owner notification letters were mailed July 26, 2021. Nissan
Engine & cooling Vehicle recall #25V437000 · 2025 · 443,899 vehicles
What's wrong: Nissan north america, Inc. (Nissan) is recalling certain 2021-2024 rogue, 2019-2020 altima, 2019-2022 Infiniti qx50, and 2022 Infiniti qx55 vehicles equipped with 3-cylinder 1.5l or 4-cylinder 2.0l variable compression turbo (vc-turbo) engines. The engine bearings May have manufacturing defects that can lead to engine failure.
Why it matters: Engine failure increases the risk of a crash. A bearing failure May cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.
The fix: Dealers will reprogram the engine control module (ECM) software, free of charge. Owner letters were mailed April 8, 2026.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 4 injuries and 0 deaths were reported.
What owners describe
- Engine (18): the most common themes are stalls / loses power (8), noise or vibration (7), warning light on (3).
- Forward collision avoidance (8): no single recurring theme in the descriptions.
- Electrical (8): the most common themes are noise or vibration (2), stalls / loses power (2), warning light on (2).
- Engine & cooling (7): the most common themes are warning light on (6).
The 2021 Infiniti QX50 has 41 owner complaints, ranking #2 of 11 QX50 model years for complaints (1.6× the average QX50 year). Complaints peaked in 2026 (18 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 71,000 miles. Neighboring years: 2020 (33 complaints, 2 recalls), 2022 (16 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl turbo | Automatic (AV-S8) | Front-Wheel Drive | 23 | 29 | 26 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2021 Infiniti QX50.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2021 Infiniti QX50 have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 2021 Infiniti QX50. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2021 Infiniti QX50 problems?
Owners have filed 41 complaints with NHTSA. The most-reported areas are engine (18), forward collision avoidance (8), electrical (8).
What gas mileage does the 2021 Infiniti QX50 get?
EPA ratings run up to 26 mpg combined (2.0 L, Automatic (AV-S8)), across 1 engine and transmission combos.
Where can I get a 2021 Infiniti QX50 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.