2015 INFINITI Q70 problems
Light NHTSA footprint — 10 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2015 INFINITI Q70 has 10 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is powertrain at 4 complaints, typically surfacing around 66,010 miles (~$2,500 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2014 Q70 | 1 | 1 |
| 2015 Q70 (this page) | 10 | 0 |
| 2016 Q70 | 3 | 0 |
| 2017 Q70 | 2 | 0 |
| 2018 Q70 | 1 | 0 |
Above-average reliability for the segment. Few systemic issues on file.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.8/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2015 INFINITI Q70? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- powertrain — 4 owner reports · tends to show around 66,010 mi · ~$2,500 to fix
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.8/10 model. The priciest documented failure is powertrain (~$2,500) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2015 INFINITI Q70
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 1 category with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
Headlamps low beams do not illuminate properly. The is absolutely no illumination above a very low horizontal plane when going down a hill or up a hill. In some cases, there is no light visible beyond 30-40 feet. This creates an extremely dangerous situation when navigation…
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…
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…
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…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2015 Infiniti Q70 reliable?
Mostly yes. With a reliability score of 8.8 out of 10 based on 10 owner complaints filed with NHTSA, the 2015 Infiniti Q70 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2015 Infiniti Q70?
On the NHTSA data, the 2015 INFINITI Q70 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.8/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2015 Infiniti Q70?
Inspect the powertrain first — it's the most-reported issue on this model, with 4 owner complaints filed. Typical failure occurs around 66,010 miles. Average repair cost runs about $2,500 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2015 Infiniti Q70 a good used car to buy?
It scores 8.8 out of 10 on our NHTSA-based read of 10 owner complaints. The main thing to watch is powertrain. Typical failure occurs around 66,010 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2015 Infiniti Q70?
Based on NHTSA records, the most-reported issue is powertrain, with 4 complaints filed. Typical failure occurs around 66,010 miles. Average repair cost runs about $2,500 at an independent shop.
What's the most expensive thing that goes wrong?
The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Typical failure occurs around 66,010 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Infiniti Q70 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2015 Infiniti Q70?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 10 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.