2016 Mazda CX-9: common problems and reliability

The 2016 Mazda CX-9 has 99 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are engine and electrical system. Owners most often flag cylinder head cracking / coolant leak in 2.5t engine: a design/manufacturing defect leading to coolant leaking into the engine, potentially causing catastrophic failure. affects model years 2016-2020 with production dates before june 9, 2020. warranty was extended to 10 years/120,000 miles. frequency: very frequent (dominant topic in discussions).

Safety record for the 2016 model year

99
Owner complaints
0
Recalls
3
Crash reports
1
Fire reports

Source: NHTSA complaints and recalls filed for 2016 Mazda CX-9 vehicles (US, public record).

Is 2016 a good year for the CX-9?

Across the 4 CX-9 model years we track, complaint volume runs from 68 (2013) to 195 (2010). With 99 complaints, the 2016 CX-9 sits about the same asthe model's median of 99.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

engine
61
electrical system
14
service brakes
11
power train
9
fuel/propulsion system
7

What owners say across generations

Predominantly positive sentiment, with the vehicle widely praised for its exceptional driving dynamics, premium interior feel, and strong value proposition.

  • Cylinder head cracking / coolant leak in 2.5T engine: A design/manufacturing defect leading to coolant leaking into the engine, potentially causing catastrophic failure. Affects model years 2016-2020 with production dates before June 9, 2020. Warranty was extended to 10 years/120,000 miles. Frequency: very frequent (dominant topic in discussions).
  • High oil consumption in some later models: Mentioned alongside the cylinder head issue as a potential problem for some vehicles. Frequency: recurrent.

Owner insights cover all generations of the CX-9. See the full CX-9 owner picture and every model year.

Typical used price

Used CX-9 listings typically run $16,249–$25,499 across 2010 to 2023 model years.

Other CX-9 model years

Compare every CX-9 year side by side to see how 2016 ranks against the rest.

Compare the CX-9 against its rivals