Should I buy a 2015 Infiniti Q70 with documented powertrain problems?

Depends on the price and the specific vehicle. Documented powertrain issues should be priced into the purchase — if the seller is asking full retail, negotiate down by the expected repair cost. A pre-purchase inspection from an independent shop tells you whether THIS specific vehicle has already shown the symptoms or not.

2015 INFINITI Q70 powertrain problems

moderate 4 complaints filed with NHTSA · avg repair $2,500

Complaints

Recalls

Crashes

Avg fix

$2,500

What owners are reporting 4 most recent

powertrain · filed 09/20/2015

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 PROBLE…

powertrain · filed 08/08/2025

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 problem between as early as 24k-100k miles all owners I have read online has the same check engine light on with codes P0500/P0720

powertrain · filed 06/15/2021

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 t…

powertrain · filed 04/01/2022

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 re…

Common questions

How serious is the powertrain problem on the 2015 INFINITI Q70?

It's a documented issue but not catastrophic. 4 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.

At what mileage does the powertrain typically fail?

Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.

What does it cost to fix?

Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.

Are there any recalls related to powertrain?

No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.

Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are independent-shop national averages and may differ in your area. Some links on this page are affiliate links.