2018 INFINITI Q70 problems
Light NHTSA footprint — 1 owner complaint. Either a clean record or thin data; we'll show what's there.
The 2018 INFINITI Q70 has 1 NHTSA owner complaint on file (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2015 Q70 | 10 | 0 |
| 2016 Q70 | 3 | 0 |
| 2017 Q70 | 2 | 0 |
| 2018 Q70 (this page) | 1 | 0 |
| 2019 Q70 | 2 | 1 |
Limited NHTSA data — only 1 complaint on file. The score reflects what's reported, but a small sample skews easily.
Only 1 NHTSA complaint on file — too few for a confident reliability call. Could be a clean record or just thin data.
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.
What owners are saying recent NHTSA-filed complaints · verbatim
seat belt and air bag warning light on, had dealer check stated problem in the passenger seat cushion and notofied factory but no satisfaction.
Common questions
Is the 2018 Infiniti Q70 reliable?
Limited NHTSA data. Only 1 owner complaint has been filed for the 2018 Infiniti Q70, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2018 Infiniti Q70?
Only 1 NHTSA complaint on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2018 INFINITI Q70 without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2018 Infiniti Q70?
There isn't enough NHTSA complaint data on the 2018 Infiniti Q70 to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2018 Infiniti Q70 a good used car to buy?
Hard to say from federal data alone — only 1 owner complaint has been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2018 Infiniti Q70?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
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 2018 Infiniti Q70?
Hard to say from NHTSA data alone with only 1 complaint on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.