2016 Mazda CX-9 reliability

Is it reliable?

The 2016 Mazda CX-9 has 99 complaints with NHTSA after 11 years, or 4 per year. That is more complaints per year than most CX-9 years here — over the median of the other years, which is 3. NHTSA has no recalls on file for this model year.

2012 Mazda CX-9
Photo by Ethan Llamas, resized from the original. Wikimedia Commons CC0
Complaints

99

Per year

4

Recalls

0

Years on the road

11

What owners report

The complaints owners file most often name Engine (61 of 99), then Electrical system (14) and Service brakes (11). Those filings include 3 that report a crash, 1 that reports a fire, and 2 that report an injury.

Next to 2015 and 2017

The 2015 CX-9 has 35 complaints, 3 per year, and the 2017 has 61 complaints, 1 per year. The 2016 has more complaints per year than the 2015. The 2016 has more complaints per year than the 2017.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2016 Mazda CX-9. How we count. Data as of .

Recalls (0)

No recalls on file with NHTSA for this model year.

Complaints by component (99 total)

Engine
61
Electrical system
14
Service brakes
11
Powertrain
9
Fuel and propulsion system
7
Structure
4
Seats
3
Speed control
3
Wheels
3
Air bags
2
Engine and engine cooling
2
Forward collision avoidance
2
Steering
2
Suspension
2
Visibility and wipers
2
Electronic stability control (ESC)
1
Fuel system, gasoline
1
Tires
1
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Crash-flagged

3

Fire-flagged

1

Injury reports

2

Death reports

0

Complaints filed per year

22016320177201882019520206202123202217202326202422025
Excerpts from recent NHTSA complaint filings
  • "In June of 2022 I started having a strong antifreeze/engine coolant smell inside the cab of my vehicle and also outside the vehicle. I had the car checked for a radiator leak, but there wasn’t one. I took my car into my…"
    Engine · filed 2025-11-03
  • "Smart City Break Malfunction warning light appears while driving. Simultaneously the tire pressure warning appears. Also, at the same time, the temperature reads -20 to -40 degrees. Yes, vehicle is available for…"
    Electrical system, Forward collision avoidance · filed 2025-04-23
  • "Engine failure with crack in the engine after a loss of coolant fluid."
    Engine · filed 2024-12-27
  • "Head gasket leaking and caused major engine issue at 89,000 miles. Mazda has known of this issue, but refuses to recall it."
    Engine · filed 2024-11-21
  • "While my wife was driving her 2016 Mazda Cx-9 Grand Touring on the freeway, many of the dashboard indicator lights came on warning her the engine was over heating and to pull over immediately. While she was attempting…"
    Engine · filed 2024-11-13

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
CX-9 two-wheel drive 2.5L, 4-cyl Automatic (6-speed) Front-wheel drive 22 28 24 MPG $2700
CX-9 four-wheel drive 2.5L, 4-cyl Automatic (6-speed) Four-wheel drive 21 26 23 MPG $2800

Specs and fitment

2nd generation (TC), 2016–2023
Body styles SUV
Oil SAE 5W-30 (SKYACTIV-G 2.5T turbo) , 5.1 qt capacity
Tire size 255/50R20, 255/60R18 (trim dependent)
Towing capacity 3,500 lbs

Known issues for this generation

NHTSA campaign 19V-403 covers certain 2018 Mazda CX-9 vehicles: the wiring harness may disrupt electrical communications and disable the passenger frontal air bag, turn signals, and/or engine starting; dealers repair the harnesses. Campaign 21V-875 covers certain 2018-2019 CX-9 vehicles (with Mazda3, Mazda6, CX-3, CX-5, MX-5, and Mazda2 in the same campaign) where the low-pressure fuel pump impeller may crack and cause an engine stall; dealers replace the fuel pumps. Confirm open campaigns by VIN; multi-model unit counts are shared.

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Frequently asked questions

Is the 2016 Mazda CX-9 reliable?

The 2016 Mazda CX-9 has 99 complaints with NHTSA after 11 years, or 4 per year. That is more complaints per year than most CX-9 years here — over the median of the other years, which is 3. NHTSA has no recalls on file for this model year.

What are common problems with a 2016 Mazda CX-9?

The complaints owners file most often name Engine (61 of 99), then Electrical system (14) and Service brakes (11). Those filings include 3 that report a crash, 1 that reports a fire, and 2 that report an injury.

Is the 2016 Mazda CX-9 more reliable than the years next to it?

The 2015 CX-9 has 35 complaints, 3 per year, and the 2017 has 61 complaints, 1 per year. The 2016 has more complaints per year than the 2015. The 2016 has more complaints per year than the 2017.

Has the 2016 Mazda CX-9 been recalled?

NHTSA has no recalls on file for the 2016 Mazda CX-9.

How many complaints have owners filed about the 2016 Mazda CX-9?

Owners have filed 99 complaints about the 2016 Mazda CX-9 with NHTSA.

What mpg does a 2016 Mazda CX-9 get?

EPA-rated combined fuel economy for the 2016 Mazda CX-9 is 23.5 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a Mazda CX-9 use?

US CX-9 manuals specify SAE 5W-30 for the SKYACTIV-G 2.5T turbo engine.

What generation is the 2018 Mazda CX-9?

2nd generation / TC (2016-2023).

What tire sizes does a Mazda CX-9 use?

Second-gen US sizes include 255/60R18 and 255/50R20; first-gen pages list 245/60R18 and 245/50R20.