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Infiniti Q70Model year report

2015 Infiniti Q70 Problems

Complaints
10filed with NHTSA
Median mileage
31,500miles, 6 complaints with mileage
Recalls
1campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA crash rating
5 / 5stars overall, 2 rated versions
EPA fuel economy
21 mpgcombined, 3.7L 6-cyl RWD · 18 city / 26 hwy

Sources: NHTSA records for the 2015 Infiniti Q70 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 10 consumer complaints for the 2015 Infiniti Q70. The part named most often is transmission and drivetrain, with 4 complaints (40% of the total), followed by vehicle speed control (2) and air bags (1). 6 of the complaints include a mileage, and 67% of those were filed for vehicles with under 50,000 miles; the median is 31,500 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 1 recall campaign and 150 technical service bulletins for this model year. Transmission and drivetrain complaints overlap with 1 recall campaign covering the driveshaft and 7 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Transmission and drivetrain: “This car vibrates when traveling at speeds of 40mph and 65mph. Significant vibration can be felt in the center console and armrest. My car has a especially severe vibration around 40 MPH when driving up a hill and the transmission is set to eco mode. Vibration can be felt in the steering wheel and the driver and passenger front seat. Tires were road force rebalanced by the dealer, but the problem persists. Since it is at only certain speeds, the cause of the problem has not been identified by the dealer.”

NHTSA complaint #10765334, filed 2015-09, 1,100 miles

Vehicle speed control: “The contact owns a 2015 Infiniti Q70. While operating the vehicle in the driveway, it surged forward and crashed into the parking barrier in the neighbor's yard. The failure occurred without warning the failure occurred twice. A police report was not filed. The vehicle was towed to the dealer. The front end and undercarriage of the vehicle experienced severe damage. The vehicle was repaired. The manufacturer was notified of the failure. There were no injuries. The failure mileage was approximately 23,000. Updated 05/16/17”

NHTSA complaint #10959731, filed 2017-03, 23,000 miles

Air bags: “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 not drivable because my seatbelts are locked. I am also afraid of driving my vehicle due to the other airbags deploying on my family out of no where. There were no prior lights or warnings to this incident.”

NHTSA complaint #11539592, filed 2023-08

Electrical system: “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 lights, infotainment center and A/C were still operational. Vehicle was maneuvered off the highway , but would not start up after power down. Vehicle battery was replaced, and the same error occurred 2 weeks later while the car was idled. Error reported to dealership with remedy of ECM reprogramming following guidelines of BULLETIN ITB13-054D.”

NHTSA complaint #11467452, filed 2022-06

Mileage when problems were reported

67% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 1,100 and 72,000 miles.

33%0–1017%10–2517%25–5017%50–750%75–10017%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 31,500 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

2015201720213202220232025
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2015 Infiniti Q70. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
Q70 · sedan AWD★★★★★5 / 4554 · 11.3% risk
Q70 · sedan RWD★★★★★5 / 4554 · 11.3% risk

Driver aids listed by NHTSA for the 2015 model year: forward collision warning optional, lane departure warning optional, automatic emergency braking not available.

Neighbouring years: 2014: same overall rating; 2016: same overall rating. A redesign between years can change both the car and the test.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2015 Infiniti Q70 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Q70 RWD3.7L 6-cyl7-speed automatic182621$3,900
Q70 RWD5.6L 8-cyl7-speed automatic162419$4,350
Q70 AWD3.7L 6-cyl7-speed automatic182420$4,100
Q70 AWD5.6L 8-cyl7-speed automatic162318$4,550

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2015 Infiniti Q70 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 150 on record; the latest 10 are shown.

See all 150 bulletins →

Other model years of the Infiniti Q70

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20151031,5001521—Not enough data

All Infiniti Q70 model years

Frequently asked questions

How many NHTSA complaints does the 2015 Infiniti Q70 have?

NHTSA recorded 10 consumer complaints for the 2015 Infiniti Q70 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2015 Infiniti Q70 is reported most often?

Transmission and drivetrain is named most often, in 4 complaints (40% of the total), followed by vehicle speed control with 2.

Has the 2015 Infiniti Q70 been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

How did the 2015 Infiniti Q70 do in NHTSA crash tests?

NHTSA's 5-Star Safety Ratings give the 2015 Infiniti Q70 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.

What gas mileage does the 2015 Infiniti Q70 get?

The EPA rates the 2015 Infiniti Q70 (Q70, 3.7L 6-cyl) at 21 mpg combined, 18 city and 26 highway, with an estimated annual fuel cost of $3,900 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2015 Infiniti Q70 reported?

Among the 6 complaints that include a mileage, the median is 31,500 miles and the middle half falls between 1,100 and 72,000 miles; 67% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.