Compare the2022 Kia SorentoVS 2021 Mazda CX-9

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Environmental Friendliness
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Ergonomics
Recommendations

Safety

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Both the Sorento and CX-9 have child safety locks to prevent children from opening the rear doors. The Sorento S/EX/SX/Prestige/X-Line has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The CX-9’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Sorento are reminded to check the back seat when a sensor determines the back seat is occupied. The CX-9 doesn’t offer a back seat reminder.

The Kia Sorento has a standard driver’s side knee airbag mounted low on the dashboard. The knee airbag helps prevent the driver from sliding under the seatbelts or the main frontal airbag; this keeps the driver better positioned during a collision for maximum protection. A knee airbag also helps keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The CX-9 doesn’t offer knee airbags.

When descending a steep, off-road slope, the Sorento’s standard Downhill Brake Control allows you to creep down safely. The CX-9 doesn’t offer Downhill Brake Control.

Compared to metal, the Sorento’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Mazda CX-9 has a metal gas tank.

Both the Sorento and the CX-9 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available all wheel drive, blind spot warning systems, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Kia Sorento is safer than the Mazda CX-9:

	Sorento	CX-9
	Driver
STARS	4 Stars	4 Stars
Neck Injury Risk	21%	26%
Neck Stress	168 lbs.	309 lbs.
Neck Compression	22 lbs.	51 lbs.
	Passenger
STARS	4 Stars	4 Stars
Chest Compression	.5 inches	.6 inches
Neck Stress	159 lbs.	183 lbs.
Neck Compression	89 lbs.	165 lbs.
Leg Forces (l/r)	81/191 lbs.	376/375 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a post at 20 MPH, results indicate that the Kia Sorento is safer than the Mazda CX-9:

	Sorento	CX-9
	Into Pole
STARS	5 Stars	5 Stars
Max Damage Depth	15 inches	15 inches
Spine Acceleration	32 G’s	35 G’s

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

Warranty

The Sorento comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The CX-9’s 3-year/36,000-mile basic warranty expires 2 years or 24,000 miles sooner.

Kia’s powertrain warranty covers the Sorento 5 years and 40,000 miles longer than Mazda covers the CX-9. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the CX-9 ends after only 5 years or 60,000 miles.

There are over 39 percent more Kia dealers than there are Mazda dealers, which makes it easier should you ever need service under the Sorento’s warranty.

Reliability

To reliably power the ignition and other systems and to recharge the battery, the Sorento has a standard 150-amp alternator. The CX-9’s 110-amp alternator isn’t as powerful.

J.D. Power and Associates’ 2021 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Kia 6th in initial quality, above the industry average. With 30 more problems per 100 vehicles, Mazda is ranked 23rd, below the industry average.

J.D. Power and Associates’ 2021 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Kia vehicles are more reliable than Mazda vehicles. J.D. Power ranks Kia third in reliability, above the industry average. With 24 more problems per 100 vehicles, Mazda is ranked 14th.

Engine

The Sorento 2.5T’s standard 2.5 turbo 4-cylinder produces 31 more horsepower (281 vs. 250) than the CX-9’s 2.5 turbo 4-cylinder.

As tested in Consumer Reports the Sorento 2.5T 2.5 turbo 4-cylinder is faster than the Mazda CX-9:

	Sorento	CX-9
Zero to 30 MPH	2.6 sec	3.1 sec
Zero to 60 MPH	6.5 sec	7.9 sec
45 to 65 MPH Passing	3.9 sec	5.7 sec
Quarter Mile	14.9 sec	16.3 sec
Speed in 1/4 Mile	99 MPH	88 MPH

Fuel Economy and Range

On the EPA test cycle the Sorento gets better mileage than the CX-9:

			MPG
Sorento
	FWD	2.5 DOHC 4-cyl.	24 city/29 hwy
		2.5 turbo 4-cyl.	22 city/29 hwy
	AWD	2.5 turbo 4-cyl.	22 city/27 hwy
		2.5 DOHC 4-cyl.	23 city/25 hwy
CX-9
	FWD	2.5 turbo 4-cyl.	22 city/28 hwy
	AWD	2.5 turbo 4-cyl.	20 city/26 hwy

In heavy traffic or at stop lights the Sorento’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. The CX-9 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Kia Sorento uses regular unleaded gasoline. The CX-9 requires premium for maximum efficiency, which can cost 20 to 55 cents more per gallon.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Kia Sorento higher (5 out of 10) than the Mazda CX-9 (3). This means the Sorento produces up to 16.5 pounds less smog-producing pollutants than the CX-9 every 15,000 miles.

Transmission

An eight-speed automatic (SMG) is standard on the Kia Sorento, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the CX-9.

The Sorento offers an available sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The CX-9 doesn’t offer an SMG or a conventional manual transmission.

Brakes and Stopping

For better stopping power the Sorento’s front brake rotors are larger than those on the CX-9:

	Sorento	CX-9
Front Rotors	12.8 inches	12.6 inches

The Sorento stops shorter than the CX-9:

	Sorento	CX-9
60 to 0 MPH	133 feet	139 feet	Consumer Reports

Tires and Wheels

The Sorento’s optional tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the CX-9 Carbon Edition/Grand Touring/Signature’s 50 series tires.

Suspension and Handling

For better maneuverability, the Sorento’s turning circle is .9 feet tighter than the CX-9’s (37.9 feet vs. 38.8 feet).

Chassis

The Kia Sorento may be more efficient, handle and accelerate better because it weighs about 300 to 500 pounds less than the Mazda CX-9.

The Sorento is 10.4 inches shorter than the CX-9, making the Sorento easier to handle, maneuver and park in tight spaces.

Passenger Space

The Sorento has 1 inch more front headroom, .4 inches more front legroom, 1.1 inches more front shoulder room, .6 inches more rear headroom, 2.3 inches more rear legroom, 1.4 inches more third row headroom and 2.4 inches more third row hip room than the CX-9.

Cargo Capacity

The Sorento’s cargo area provides more volume than the CX-9.

	Sorento	CX-9
Third Seat Folded	38.4 cubic feet	38.2 cubic feet
Third Seat Removed	45 cubic feet	n/a
Second Seat Folded	75.5 cubic feet	71.2 cubic feet

The Sorento has a standard third row seat which folds flat into the floor. This completely clears a very large cargo area quickly. The CX-9 doesn’t offer seats that fold into the floor.

Pressing a button automatically lowers the Sorento’s optional second row seats, to make changing between passengers and cargo easier. The CX-9 doesn’t offer automatic folding seats.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Sorento. The CX-9 doesn’t offer locking storage for small valuables.

Ergonomics

The power windows standard on both the Sorento and the CX-9 have locks to prevent small children from operating them. When the lock on the Sorento is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The CX-9 prevents the driver from operating the other windows just as it does the other passengers.

The Sorento’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The CX-9’s power mirror switches are unlit, making them difficult to find at night and operate safely.

Recommendations

The Kia Sorento outsold the Mazda CX-9 by over two to one during the 2021 model year.