2018 Infiniti QX30: True Cost, Problems & Verdict
23 NHTSA owner complaints · 3 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 23 filed with NHTSA
Complaints per year on the road: 2.88
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
emergency Service Provider Harassment tampering with vehicle to require emergency services to stalk harass or intimidate DV VAWA subscriber 6th time happened whe used battery was given to customer and allege customer need other repairs to avoid service render..Placing unsual sharp objects such as nails in tire to track mileage and whereabouts of victim of vilent crime by proxy for nefarious group that engage in unlaw…
The contact owns a 2018 Infiniti QX30. The contact stated that while driving at an undisclosed speed, there was an abnormal clicking sound coming from the steering wheel, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed with a failed clockspring. The contact was informed that the clockspring needed to be replaced. The vehicle was not repaired. The contact wa…
The rear subframe on my 2018 Infiniti QX30 experienced a structural failure at approximately 39,000 miles. The vehicle was inspected by an authorized Infiniti dealer, who confirmed failure of the rear subframe, a critical structural and safety component. This failure created a serious safety hazard, including risk of loss of vehicle control. The vehicle was deemed unsafe to operate. The failure occurred under norma…
Recalls: 3 campaigns (2 severe)
| Campaign | Component | Summary |
|---|---|---|
| 17V691000 | Air Bags:Frontal | Nissan North America, Inc. (Nissan) is recalling 2017-2018 Infiniti QX30 vehicles. |
| 19V654000 | Back Over Prevention: Sensing System: Camera | Nissan North America, Inc. (Nissan) is recalling certain 2018-2019 Nissan Altima, Armada, Frontier, Kicks, Leaf, Maxima, Murano, NV, NV200, Pathfinder, Rogue, Rogue Sport, Sentra, Titan, Titan Diesel, Versa Note and Versa Sedan vehicles, as well as Infiniti Q50, Q60, QX30 and QX80 vehicles. |
| 18V355000 | Seat Belts:Front:Anchorage | Nissan North America, Inc. (Nissan) is recalling certain 2018 Infiniti QX30 vehicles. |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a mid-size premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 27 MPG · estimated annual fuel cost $2,950
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Electrical System9 complaints · typical job: Alternator, battery-drain or body-module diagnosis and replacement (3.0 h labour + parts)$540–$1,310
- Unknown Or Other5 complaints · typical job: Diagnosis and mixed repair (2.0 h labour + parts)$360–$940
- Steering4 complaints · typical job: Electric power-steering rack or column motor replacement (5.0 h labour + parts)$1,020–$2,500
- Air Bags4 complaints · typical job: Airbag module, clockspring or sensor replacement (2.5 h labour + parts)$600–$1,700
- Engine4 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Service Brakes3 complaints · typical job: Pads, rotors and caliper service, both axles (3.0 h labour + parts)$580–$1,140
FAQ
What is the most common problem with the 2018 Infiniti QX30?
The most-reported issue in NHTSA complaint data is Electrical System (9 complaints in our indexed sample).
Is the 2018 Infiniti QX30 a good used car to buy?
Our data verdict is BUY with a reliability score of 82/100, computed from 23 NHTSA complaints and 3 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2018 Infiniti QX30's most common problem?
9 of the NHTSA complaints filed against the 2018 Infiniti QX30 sit in the Electrical System group — more than any other component on this model year. The representative job there is alternator, battery-drain or body-module diagnosis and replacement: about 3.0 hours of labour plus parts, roughly $540–$1,310 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2018 Infiniti QX30 cost to run per year?
About $4,794 a year in fuel or energy plus the maintenance band — roughly $23,970 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2018 Infiniti QX30 have recalls?
Yes — NHTSA lists 3 recall campaign(s) for the 2018 Infiniti QX30, 2 of them touching fire, crash or stall risk, the most recent recorded 01/11/2017. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury midsizes of about the same age.
What will a 2018 Infiniti QX30 really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Thin evidence — 23 complaints, 3 recalls on record
- 23 NHTSA complaints on record (2.9/yr of exposure) — in line with a typical year of this model (2.9/yr)
- 3 recall campaigns, 2 touching safety-critical systems
- Thin complaint record — this score is held close to the model's own average rather than read as evidence of quality