"Driving Matters" is the tagline Mazda uses to promote its CX-9 three-row family mover, casting it as the driver’s choice among the soccer-mom mobile crowd. Turns out that this slogan is quite apt; the CX-9 is particularly agile, comfortable riding, and quiet among affordable midsized three-row SUVs.

Reliability

We expect the 2022 CX-9 will be much more reliable than the average new car. This prediction is based on data from 2019, 2020 and 2021 models. Select the used car model year to see reported issues with those similar past models.

Overall Reliability
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot
Research Years * Redesign year
Worse Better
00
01
02
03
04
05
06
07*
08
09
10
11
12
13
14
15
16*
17
18
19
20
21
Overall Reliability Verdict
NA
NA
NA
NA
NA
NA
POTENTIAL TROUBLE SPOTS
Engine Major
NA
NA
NA
NA
NA
NA
Engine Minor
NA
NA
NA
NA
NA
NA
Engine Cooling
NA
NA
NA
NA
NA
NA
Transmission Major
NA
NA
NA
NA
NA
NA
Transmission Minor
NA
NA
NA
NA
NA
NA
Drive System
NA
NA
NA
NA
NA
NA
Fuel System
NA
NA
NA
NA
NA
NA
Electric System
NA
NA
NA
NA
NA
NA
Climate System
NA
NA
NA
NA
NA
NA
Suspension
NA
NA
NA
NA
NA
NA
Brakes
NA
NA
NA
NA
NA
NA
Exhaust
NA
NA
NA
NA
NA
NA
Paint/Trim
NA
NA
NA
NA
NA
NA
Body Integrity
NA
NA
NA
NA
NA
NA
Body Hardware
NA
NA
NA
NA
NA
NA
Power Equipment
NA
NA
NA
NA
NA
NA
In-car Electronics
NA
NA
NA
NA
NA
NA
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for over 300,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2021 vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. NA indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.

Learn more about car Reliability.

Owner Reported Trouble Spots

The Reliability score is based on our latest subscriber survey of 2017 Mazda CX-9 owners. The owner comments describe problems respondents experienced with this vehicle.

Brakes

Antilock system (ABS), parking brake, master cylinder, calipers, rotors, pulsation or vibration, squeaking, brake failure or wear.

What Owners Say

Premature brake wear

"I have has Subaru's since 1996 and the brakes lasted much longer between repairs/service so I feel Mazda's brakes wore out much faster. The service Manager said the mileage was usual so I believe Mazda's brakes wear prematurely as I have had 2 WRXs that I drove like WRXs (fast with cornering) so I am comparing like driving styles"

Ellen D., MA (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

"after being away for 3 weeks, both front and rear brakes started vibrating significantly and the pads required replacement. This should not happen after only 52,000 km, in my opinion"

Anonymous, ON (2017 Mazda CX-9 Sport 2.5-L 4 Cyl turbo)

"The rear brake pads wore out at about 5000 miles and caused the rear rotors to wear unevenly."

Anonymous, IN (2017 Mazda CX-9 Unsure 2.5-L 4 Cyl turbo)
Pulsation or vibration

"Going down highway grade, brakes overheated and caused severe pulsation, was driving carefully and giving brakes time to cool but still had issues"

Anonymous, CA (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)
Rotors

"The rotors wore unevenly as a result of the break pads and needed to be replaced at about 5000 miles"

Anonymous, IN (2017 Mazda CX-9 Unsure 2.5-L 4 Cyl turbo)
Squeaking

"when coming to a low speed stop, the brakes would squeal"

Craig B., CA (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

"Brakes squeak at times when braking lightly. Mazda installed new pads under warranty and that seemed to fix it."

Anonymous, CA (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

In-car Electronics

CD or DVD players, radio, speakers, GPS, communication system (e.g., OnStar), display screen freezes or goes blank, phone pairing (e.g. Bluetooth), voice control commands, steering wheel controls, portable music device interface (e.g., iPod/MP3 player), backup or other camera/sensors.

What Owners Say

Display screen freezes up

"Car was 1.5 years old. Upon starting car, screen was stuck on introduction screen and would not move to any options"

Anonymous, (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)
Display screen goes blank

"Started when car was 1.5 years old. Upon starting car, display screen showed zigzag lines all over it, then after 10 minutes went blank."

Anonymous, (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

Transmission Minor

Gear selector or linkage, leaks, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission.

What Owners Say

Rough shifting

"It is not a big issue. However, the shifting is not smooth especially when the engine is just started and engaging low gear."

Anonymous, AB (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

Electric System

Alternator, starter, hybrid battery and related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, distributor or rotor failure, spark plugs and wires failure.

What Owners Say

Warning lights

"All safety sensors such as Lane departure system from on the windshield have malfunctioned. The warning often indicates I need to defog the windshield, and doesn't work for a while even anything on the windshield."

Anonymous, AB (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

Engine Minor

Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, oil leaks.

What Owners Say

Fuel leaks

"Not a leak but excessive fueling during cold weather, overfueling causing oil level to increase to extremely high levels on dip stick. Not resolved."

Anonymous, ON (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

Body Integrity

Squeaks, rattles, wind noises, loose or cracked seals and/or weather-stripping, air and water leaks.

What Owners Say

Squeaks or rattles

"Suspension creaks when driving slowly into driveways, parking lots, etc."

Anonymous, ON (2017 Mazda CX-9 Grand Touring 2.5-L 4 Cyl turbo)

Fuel System

Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.

Engine Major

Engine rebuild or replacement, cylinder head, head gasket, turbo or supercharger, timing chain or timing belt.

Power Equipment

Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, remote engine start, alarm or security system

Climate System

Blower (fan) motor, A/C compressor, condenser, evaporator, heater system, automatic climate control, refrigerant leakage, electrical failure.

Exhaust

Muffler, pipes, catalytic converter, exhaust manifold, leaks.

Engine Cooling

Radiator, cooling fan, antifreeze leaks, water pump, thermostat, overheating.

Body Hardware

Power or manual windows, locks and latches, tailgate, hatch or trunk, doors or sliding doors, mirrors, seat controls, safety belts, sunroof, convertible top.

Suspension

Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.

Drive System

Driveshaft or axle, CV joint, differential, transfer case, 4WD/AWD components, driveline vibration, traction control, electronic stability control (ESC), electrical failure.

Paint/Trim

Paint (fading, chalking, cracking, or peeling), loose interior and exterior trim or moldings, rust.

Compare 2017 Models

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This score shows whether the model had more or fewer problems overall than the average model of that year, calculated from the total number of problems reported by subscribers in all 17 trouble spots.
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