2015 Infiniti Q70 reliability

Is it reliable?

Owners have filed 10 complaints with NHTSA about the 2015 Infiniti Q70 over 12 years — 1 per year. That is more complaints per year than most Q70 years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Driveshaft.

2014 Infiniti Q70
Photo by Thesupermat, resized from the original. Wikimedia Commons CC BY-SA 3.0
Complaints

10

Per year

1

Recalls

1

Years on the road

12

What owners report

The complaints owners file most often name Powertrain (4 of 10), then Speed control (2) and Air bags (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Next to 2014 and 2016

The 2014 Q70 has 1 complaint, 0 per year, and the 2016 has 3 complaints, 1 per year. The 2015 has more complaints per year than the 2014. The 2015 has about the same number of complaints per year as the 2016.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2015 Infiniti Q70. How we count. Data as of .

Recalls (1)

Recall Driveshaft 2024-06-21 · NHTSA campaign 24V470000
Summary 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.
Remedy Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.

Complaints by component (10 total)

Powertrain
4
Speed control
2
Air bags
1
Electrical system
1
Engine
1
Exterior lighting
1
Steering
1
Visibility and wipers
1
Crash-flagged

1

Fire-flagged

0

Injury reports

1

Death reports

0

Complaints filed per year

220151201732021220221202312025
Excerpts from recent NHTSA complaint filings
  • "Driving on the highway my car suddenly lost power and has since been stuck in first or second gear after further research online it seems that a ton of Nissan/Infiniti owners both cars and suv have or had the same…"
    Powertrain · filed 2025-08-08
  • "Driver side airbag deployed as I was turning the corner leaving me with no visual of pedestrians. The deployment resulted in lacerations on my forearm and a knot on my head with a busted lip. My vehicle is technically…"
    Air bags · filed 2023-08-19
  • "During highway driving on May of 2022, the vehicle displayed an Intelligent Key Not Detected error while driving on cruise control. The accelerator was no longer responsive as the vehicle decelerated. The warning…"
    Electrical system, Engine · filed 2022-06-04
  • "The contact owns a 2015 Infiniti Q70. The contact stated while making a left turn, the vehicle stalled. The contact stated that an unknown yellow warning light was illuminated. The contact stated that he was able to…"
    Powertrain · filed 2022-04-01
  • "The contact owns a 2015 Infiniti Q70. The contact stated while reversing into a parking spot and turning the steering wheel, she heard an abnormal sound and the steering wheel continued to turn in a full circle. The…"
    Steering · filed 2021-07-07

NHTSA crash ratings

Version Overall Front Side Rollover
2015 Infiniti Q70 4 DR AWD 5 stars 4 stars 5 stars 4 stars
2015 Infiniti Q70 4 DR RWD 5 stars 4 stars 5 stars 4 stars
2015 Infiniti Q70 Hybrid 4 DR RWD 5 stars 4 stars 5 stars 4 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
Q70 5.6L, 8-cyl Automatic (7-speed) Rear-wheel drive 16 24 19 MPG $4200
Q70 3.7L, 6-cyl Automatic (7-speed) Rear-wheel drive 18 26 21 MPG $3800
Q70 all-wheel drive 5.6L, 8-cyl Automatic (7-speed) All-wheel drive 16 23 18 MPG $4450
Q70 all-wheel drive 3.7L, 6-cyl Automatic (7-speed) All-wheel drive 18 24 20 MPG $4000
Q70 hybrid 3.5L, 6-cyl Automatic (7-speed) Rear-wheel drive 29 33 31 MPG $2550

Specs and fitment

Y51 generation, 2014–2022
Body styles Sedan
Oil 5W-30 , 5.2 qt capacity
Tire size 245/50R18, 245/40R20

Known issues for this generation

Recall 20V-755 covers certain 2014 Q70 and Q70 Hybrid two-wheel-drive vehicles with hybrid or VK56 powertrains (also certain M56/M35 Hybrid): the driveshaft may break, causing loss of propulsion or parking-brake issues; dealers replace the driveshaft. Recall 24V-470 covers certain 2014-2019 Q70 and Q70 Hybrid two-wheel-drive vehicles (also Q50, Q70L, and M56): the driveshaft can fatigue and break, causing loss of drive power or rollaway when in Park without the parking brake; dealers replace the driveshaft.

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Frequently asked questions

Is the 2015 Infiniti Q70 reliable?

Owners have filed 10 complaints with NHTSA about the 2015 Infiniti Q70 over 12 years — 1 per year. That is more complaints per year than most Q70 years here — over the median of the other years, which is 0. NHTSA has 1 recall on file, including Driveshaft.

What are common problems with a 2015 Infiniti Q70?

The complaints owners file most often name Powertrain (4 of 10), then Speed control (2) and Air bags (1). Those filings include 1 that reports a crash and 1 that reports an injury.

Is the 2015 Infiniti Q70 more reliable than the years next to it?

The 2014 Q70 has 1 complaint, 0 per year, and the 2016 has 3 complaints, 1 per year. The 2015 has more complaints per year than the 2014. The 2015 has about the same number of complaints per year as the 2016.

Has the 2015 Infiniti Q70 been recalled?

The 2015 Infiniti Q70 has 1 recall on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2015 Infiniti Q70?

Owners have filed 10 complaints about the 2015 Infiniti Q70 with NHTSA.

What mpg does a 2015 Infiniti Q70 get?

EPA-rated combined fuel economy for the 2015 Infiniti Q70 is 21.8 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a US Infiniti Q70 use?

5W-30 With filter, about 5.2 qt is commonly listed for this generation—confirm in the owner manual.

What tire sizes fit a US Infiniti Q70?

Published US specs commonly list front 245/50R18, 245/40R20 and rear 245/50R18, 245/40R20; confirm on the door jamb placard for your trim.

What NHTSA recalls affect the US Infiniti Q70?

Recall 20V-755 covers certain 2014 Q70 and Q70 Hybrid two-wheel-drive vehicles with hybrid or VK56 powertrains (also certain M56/M35 Hybrid): the driveshaft may break, causing loss of propulsion or parking-brake issues; dealers replace the driveshaft. Recall 24V-470 covers certain 2014-2019 Q70 and Q70 Hybrid two-wheel-drive vehicles (also Q50, Q70L, and M56): the driveshaft can fatigue and break, causing loss of drive power or rollaway when in Park without the parking brake; dealers replace the driveshaft.