Compare the2024 Acura MDXVS 2023 Kia Sorento

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

Safety

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For enhanced safety, the front and second-row seat shoulder belts of the Acura MDX have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Kia Sorento doesn’t offer pretensioners for its second-row seat belts.

The Acura MDX has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Sorento doesn’t offer a front passenger side knee airbag.

Both the MDX and the Sorento have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, 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, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors, available all wheel drive and around view monitors.

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

	MDX	Sorento
	Driver
STARS	4 Stars	4 Stars
HIC	244	334
	Passenger
STARS	4 Stars	4 Stars
HIC	288	390
Neck Injury Risk	30%	53%
Neck Stress	122 lbs.	159 lbs.
Neck Compression	75 lbs.	89 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 Acura MDX is safer than the Kia Sorento:

	MDX	Sorento
	Into Pole
STARS	5 Stars	5 Stars
Max Damage Depth	12 inches	15 inches
Hip Force	424 lbs.	579 lbs.

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

For its performance in IIHS driver-side and passenger-side small overlap frontal, moderate overlap frontal, updated side impact, headlight, daytime pedestrian crash prevention, and nighttime pedestrian crash prevention testing, the Insurance Institute for Highway Safety grants the MDX its highest rating: “Top Safety Pick Plus” for 2023, a rating granted to only 29 vehicles tested by the IIHS. The Sorento was last a “Top Safety Pick Plus” in 2019 but no longer qualifies.

Warranty

The MDX’s 5 year corrosion warranty has no mileage limitations, but the corrosion warranty on the Sorento runs out after 100,000 miles.

Acura pays for scheduled maintenance on the MDX for 2 years and 24,000 miles. Acura will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Kia doesn’t pay scheduled maintenance for the Sorento.

Reliability

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the MDX’s reliability 59 points higher than the Sorento.

From surveys of all its subscribers, Consumer Reports’ January 2023 Auto Issue reports that Acura vehicles are more reliable than Kia vehicles. Consumer Reports ranks Acura 1 place higher in reliability than Kia.

Engine

The MDX’s standard 3.5 SOHC V6 produces 99 more horsepower (290 vs. 191) and 86 lbs.-ft. more torque (267 vs. 181) than the Sorento’s standard 2.5 DOHC 4-cylinder. The MDX’s 3.5 SOHC V6 produces 9 more horsepower (290 vs. 281) than the Sorento 2.5T’s standard 2.5 turbo 4-cylinder. The MDX Type S’ standard 3.0 turbo V6 produces 74 more horsepower (355 vs. 281) and 43 lbs.-ft. more torque (354 vs. 311) than the Sorento 2.5T’s standard 2.5 turbo 4-cylinder.

Fuel Economy and Range

An engine control system that can shut down some of the engine’s cylinders helps improve the MDX’s fuel efficiency. The Sorento doesn’t offer a system that can shut down part of the engine.

The MDX has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Sorento doesn’t offer a cap-less fueling system.

Transmission

A 10-speed automatic is standard on the Acura MDX, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Sorento.

Brakes and Stopping

For better stopping power the MDX’s brake rotors are larger than those on the Sorento:

	MDX	MDX Type S	Sorento
Front Rotors	13.8 inches	14.3 inches	12.8 inches
Rear Rotors	13 inches	13 inches	12 inches

The MDX stops shorter than the Sorento:

	MDX	Sorento
60 to 0 MPH (Wet)	139 feet	143 feet	Consumer Reports

Tires and Wheels

For better traction, the MDX has larger standard tires than the Sorento (255/55R19 vs. 235/65R17). The MDX Type S’ tires are larger than the largest tires available on the Sorento (275/40R21 vs. 255/45R20).

The MDX’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the Sorento LX’s standard 65 series tires. The MDX Type S’ tires have a lower 40 series profile than the Sorento’s optional 45 series tires.

For better ride, handling and brake cooling the MDX has standard 19-inch wheels. Smaller 17-inch wheels are standard on the Sorento LX. The MDX Type S’ 21-inch wheels are larger than the 20-inch wheels optional on the Sorento.

The MDX has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Sorento doesn’t offer vehicle monitored tire inflation.

Having a flat tire is dangerous, inconvenient and expensive. The self-sealing tires available on the MDX can automatically seal most punctures up to 3/16 of an inch, effectively preventing most flat tires. The Sorento doesn’t offer self-sealing tires.

Suspension and Handling

The MDX offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The Sorento’s suspension doesn’t offer adjustable shock absorbers.

The MDX Type S has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The MDX’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The Sorento doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the MDX’s wheelbase is 3 inches longer than on the Sorento (113.8 inches vs. 110.8 inches).

For better handling and stability, the track (width between the wheels) on the MDX is 2.9 inches wider in the front and 2.6 inches wider in the rear than the average track on the Sorento.

For greater off-road capability the MDX has a greater minimum ground clearance than the Sorento (7.3 vs. 6.9 inches), allowing the MDX to travel over rougher terrain without being stopped or damaged. The MDX Type S’ minimum ground clearance is 1.2 inches higher than on the Sorento X-Line (9.4 vs. 8.2 inches).

Chassis

The MDX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Sorento doesn’t offer active noise cancellation.

Passenger Space

The MDX has 33.8 cubic feet more passenger volume than the Sorento (139.1 vs. 105.3).

The MDX has .2 inches more front legroom, 3.7 inches more front hip room, 2.8 inches more front shoulder room, 2.7 inches more rear hip room, 2.2 inches more rear shoulder room and 2.2 inches more third row shoulder room than the Sorento.

Cargo Capacity

The MDX’s cargo area provides more volume than the Sorento.

	MDX	Sorento
Behind Third Seat	18.1 cubic feet	12.6 cubic feet
Third Seat Folded	48.4 cubic feet	38.5 cubic feet
Second Seat Folded	95 cubic feet	75.5 cubic feet

Towing

The MDX’s standard towing capacity is much higher than the Sorento’s (3500 vs. 2000 pounds). Maximum trailer towing in the Kia Sorento is only 3500 pounds. The MDX SH-AWD offers up to a 5000 lbs. towing capacity.

Servicing Ease

The MDX uses gas struts to support the hood for easier service access. The Sorento uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

J.D. Power and Associates surveys of service recipients show that Acura service is better than Kia. J.D. Power ranks Acura 6th in service department satisfaction (above the industry average). With a 37% lower rating, Kia is ranked 26th.

Ergonomics

Unlike the driver-only memory seat and mirrors in the Sorento Prestige, the MDX offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The MDX Advance has a standard heads-up display that projects speed, warning, navigation instruction and incoming text message readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Sorento doesn’t offer a heads-up display.

The MDX’s power parking brake sets with one touch and releases with one touch or automatically. The Sorento’s parking brake has to be released manually.

The MDX’s front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Sorento’s standard passenger windows don’t open or close automatically.

If the windows are left open on the MDX the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Sorento can only close the windows from inside the vehicle, with the ignition on.

The MDX’s standard speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The Sorento’s standard manually variable intermittent wipers have to be constantly adjusted.

Consumer Reports rated the MDX’s headlight performance “Very Good,” a higher rating than the Sorento’s headlights, which were rated “Poor.”

The MDX Type S Advance has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Sorento.

The MDX has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning is only available on the Sorento S/EX/SX/Prestige.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Acura MDX has a standard wireless phone charging system (Qi) in the center console. Only the Sorento S/EX/SX/Prestige offers wireless charging.

Recommendations

Consumer Reports® recommends the Acura MDX, based on reliability, safety and performance. The Kia Sorento isn't recommended.

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