Most common 2015 Infiniti Q70 problems
Share of the 10 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Infiniti Q70 complaints by model year
Best Q70 years: 2019. Compare all years →
2015 Infiniti Q70 recalls (1)
Power train › Driveline › Driveshaft
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.
What 2015 Infiniti Q70 owners say
Transmission & drivetrain
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 restart the vehicle and drove to his residence at 7 MPH. The contact towed the vehicle to the local dealer, where it was diagnosed with needing the transmission valve assembly to be replaced. The vehicle was repaired. The manufacturer had been informed of the failure. The failure mileage was 124,931.
The contact owns a 2015 Infiniti Q70. The contact stated that the vehicle failed to accelerate above 40 mph. The vehicle was taken to the dealer and diagnosed that the output sensor and transmission control module (TCM) had failed. The vehicle was not repaired and remained at the dealer since the TCM part was on back-order. The manufacturer was made aware of the failure. The contact was informed that the diagnostic report would be sent once completed. The failure mileage was 72,000.
2015 Infiniti Q70 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.5L 6-cyl hybrid | 7-speed automatic | RWD | 29 / 33 / 31 |
| 3.7L 6-cyl | 7-speed automatic | RWD | 18 / 26 / 21 |
| 3.7L 6-cyl | 7-speed automatic | AWD | 18 / 24 / 20 |
| 5.6L 8-cyl | 7-speed automatic | RWD | 16 / 24 / 19 |
| 5.6L 8-cyl | 7-speed automatic | AWD | 16 / 23 / 18 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2015 Infiniti Q70 a good car?
There isn't enough complaint history for the Q70 to compare model years reliably. So far owners have filed 10 complaints with NHTSA.
What is the most common problem with the 2015 Infiniti Q70?
The transmission & drivetrain — 4 complaints, 40% of all complaints for this model year. Next are the speed control & acceleration (2) and windows, wipers & sunroof (1).
How many recalls does the 2015 Infiniti Q70 have?
There is 1 recall for the 2015 Infiniti Q70, the most recent from June 21, 2024 (driveshaft). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Infiniti Q70?
The best years by complaints, compared at the same age, are 2019. See the full Infiniti Q70 years comparison.
At what mileage do 2015 Infiniti Q70 problems happen?
The median mileage reported in complaints is about 40,000 miles; 67% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.