MotorDeets

2018 Infiniti Q50: Recalls, Problems & MPG

Here are the deets on the 2018 Infiniti Q50: 3 recalls, 44 owner complaints and up to 25 mpg combined.

3vehicle recalls
44owner complaints
1mention a crash
25best combined mpg
2018 Infiniti Q50
Photo: Charles from Port Chester, New York · CC BY 2.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Electrical, Fuel system Vehicle recall #17V476000 · 2017 · 14,192 vehicles

What's wrong: Nissan north america, Inc. (Nissan) is recalling certain 2016-2018 Infiniti q50 and 2017 Infiniti q60 vehicles equipped with a 2.0l engine. Incorrect fuel pump control module (fpcm) software May allow the fuel level in the main tank to be too low to supply fuel to the engine, causing the engine to stall while driving.

Why it matters: An engine stall can increase the risk of a crash.

The fix: Nissan will notify owners, and Infiniti dealers will reprogram the fuel pump control module (fpcm) with corrected software, free of charge. The recall began August 29, 2017.

Backup camera Vehicle recall #19V654000 · 2019 · 1,228,830 vehicles

What's wrong: Nissan north america, Inc. (Nissan) is recalling certain 2018-2019 Nissan altima, armada, frontier, kicks, leaf, maxima, murano, nv, nv200, pathfinder, rogue, rogue sport, sentra, titan, titan diesel, versa note and versa sedan vehicles, as well as Infiniti q50, q60, qx30 and qx80 vehicles. Additionally included are 2019 Nissan gt-r and taxi and Infiniti qx50, qx60, q70, q70l vehicles. The back-up camera and display…

Why it matters: The lack of an image in the back-up camera display increases the risk of a crash.

The fix: Nissan will notify owners in phases, having dealers update the back-up camera settings software, free of charge. The recall began November 11, 2019 and all affected vins should be activated.

Transmission & drivetrain Vehicle recall #24V470000 · 2024 · 7,222 vehicles

What's wrong: Nissan north america, Inc. (Infiniti) is recalling certain 2011-2013 m56, 2012-2013 m35 hybrid, 2014-2018 q50, q70 hybrid, 2014-2019 q70, and 2015-2019 q70l two-wheel drive vehicles. The driveshaft can fatigue and break.

Why it matters: A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.

The fix: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 0 injuries and 0 deaths were reported.

Engine17
Airbags9
Other / unknown6
Fuel & propulsion6
Electrical6
Wheels3
Backup camera3
Transmission & drivetrain3

What owners describe

The 2018 Infiniti Q50 has 44 owner complaints, ranking #4 of 10 Q50 model years for complaints (about average; the typical year has 49). Complaints peaked in 2025 (10 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 24,400 miles. Neighboring years: 2017 (62 complaints, 4 recalls), 2019 (30 complaints, 1 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
2.0 L 4-cyl turboAutomatic (S7)Rear-Wheel Drive233025Premium
3.0 L 6-cyl turboAutomatic (S7)Rear-Wheel Drive202923Premium

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 2018 Infiniti Q50.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2018 Infiniti Q50 manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2018 Infiniti Q50 manual

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FAQ

Does the 2018 Infiniti Q50 have any recalls?

Yes. NHTSA lists 3 vehicle recalls for the 2018 Infiniti Q50. 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 2018 Infiniti Q50 problems?

Owners have filed 44 complaints with NHTSA. The most-reported areas are engine (17), airbags (9), other / unknown (6).

What gas mileage does the 2018 Infiniti Q50 get?

EPA ratings run up to 25 mpg combined (2.0 L, Automatic (S7)), across 2 engine and transmission combos.

Where can I get a 2018 Infiniti Q50 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.

Other Q50 years

2014201520162017201820192020202120222023