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Mazda CX9

2016 only

140 classified complaints

2016 Mazda CX9 have 140 classified complaints on record for that year specifically. The most common issue in this year is Head gasket and cylinder head, typically surfacing around 120,000 miles.

Computed directly from stored federal records for 2016 model years only — not blended with the rest of this vehicle's production run. See the full Mazda CX9 report for every year combined.

Where this year fits

2007

2008

2009

2010

2011

2012

2013

2014

2016

2017

2018

2019

Complaints filed per individual model year — highlighted bars link to their own dedicated page.

What breaks, and when — 2016 only

Head gasket and cylinder head · Engine 62 complaints

Median onset: 120,000 miles.

Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $1,620–$3,010 nationally.

Which other vehicles have head gasket failures? →
Body control and other modules · Electrical 17 complaints

Median onset: 16,000 miles.

Tends to show up earlier than this model's other issues. · More common in newer model years.

Fuel pump and sending unit · Fuel system 8 complaints

Median onset: 43,500 miles.

Typical repair: $630–$1,700 nationally.

Driver-assist cameras, radar and calibration · Electrical 7 complaints

Median onset: 40,000 miles.

More common in newer model years.

Which other vehicles have driver-assist problems? →
Doors, windows, latches, seats and trim · Body and interior 6 complaints

Median onset: 35,500 miles.

More common in newer model years.

Airbags, seatbelts and restraints · Body and interior 5 complaints

Median onset: 49,000 miles. 60.0% of these reported an injury, a death, or a crash with fire.

More common in newer model years.

Stalling and no-start · Engine 5 complaints

Median onset: 24,000 miles.

Tends to show up earlier than this model's other issues. · More common in older model years.

Cooling system: radiator, water pump, thermostat, fan · Engine 4 complaints

Median onset: 148,000 miles.

Tends to show up later than this model's other issues. · More common in older model years. · Typical repair: $260–$1,910 nationally.

From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.

Cost estimator: what will this one cost you?

Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.

Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2016 model year. See the full Mazda CX9 report for every year and full specs/safety data.