Compare the2025 Acura MDXVS 2025 Mazda CX-90

In a Vehicle-to-Vehicle Frontal Crash Prevention 2.0 test conducted by the Insurance Institute for Highway Safety (IIHS), the Acura MDX achieved a “Acceptable” rating - the second highest possible - for its performance in forward collision warning and automatic braking systems, demonstrating its excellent capabilities in preventing collisions. The Mazda CX-90 has not been tested.

Both the MDX and the CX-90 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, 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 MDX comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The CX-90’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

Acura’s powertrain warranty covers the MDX 1 year and 10,000 miles longer than Mazda covers the CX-90. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the CX-90 ends after only 5 years or 60,000 miles.

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 17 points higher than the Mazda CX-90 and 31 points higher than the Mazda CX-90 Plug-In Hybrid.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Acura vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Acura above average in initial quality. With 39 more problems per 100 vehicles, Mazda is rated below average.

From surveys of all its subscribers, Consumer Reports’ March 2025 Auto Issue reports that Acura vehicles are more reliable than Mazda vehicles. Consumer Reports ranks Acura 1 place higher in reliability than Mazda.

The MDX has more powerful engines than the CX-90:

As tested in Car and Driver the MDX Type S 3.0 turbo V6 is faster than the Mazda CX-90:

An engine control system that can shut down some of the engine’s cylinders helps improve the MDX’s fuel efficiency. The CX-90 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 CX-90 doesn’t offer a cap-less fueling system.

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 CX-90.

For better stopping power the MDX’s front brake rotors are larger than those on the CX-90:

The MDX stops shorter than the CX-90:

The MDX Type S’ tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the CX-90 Premium/Turbo S’ 45 series tires.

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 CX-90 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 CX-90 doesn’t offer self-sealing tires.

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 CX-90’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 CX-90 doesn’t offer a load leveling suspension.

The MDX Type S handles at .87 G’s, while the CX-90 Premium Plus pulls only .81 G’s of cornering force in a Car and Driver skidpad test.

The MDX Type S executes Motor Trend’s “Figure Eight” maneuver 1.8 seconds quicker than the CX-90 Premium Plus (25.7 seconds @ .72 average G’s vs. 27.5 seconds @ .64 average G’s).

For greater off-road capability the MDX Type S has a 1.3 inches greater minimum ground clearance than the CX-90 PHEV Premium/Turbo S (9.4 vs. 8.1 inches), allowing the MDX to travel over rougher terrain without being stopped or damaged.

The Acura MDX may be more efficient, handle and accelerate better because it weighs about 450 pounds less than the Mazda CX-90.

The MDX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The CX-90 doesn’t offer active noise cancellation.

As tested by Car and Driver, the interior of the MDX Type S is quieter than the CX-90 Premium Plus:

The MDX has 2.7 inches more front shoulder room, 2.2 inches more rear shoulder room and 1.9 inches more third row shoulder room than the CX-90.

The MDX’s cargo area provides more volume than the CX-90.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the MDX. The CX-90 doesn’t offer locking storage for small valuables.

J.D. Power and Associates surveys of service recipients show that Acura service is better than Mazda. J.D. Power ranks Acura 6th in service department satisfaction (above the industry average). With a 9% lower rating, Mazda is ranked 10th.

Unlike the driver-only memory system in the CX-90 Premium, 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.

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 CX-90 can only close the windows from inside the vehicle, with the ignition on.

The MDX’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-90’s power window (except driver window) switches are unlit, making them difficult to find at night and operate safely.

The MDX Advance has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the CX-90.

The Acura MDX has a standard Homelink wireless remote control system for garage door operation and device management, conveniently located on the rear view mirror. Homelink® eliminates the need for separate garage door openers and associated risks of losing, breaking, or having dead batteries. Homelink® is only available on the CX-90 Premium.

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 CX-90 Preferred/Premium offers wireless charging.

The MDX is available in both front-wheel drive and four-wheel drive configurations. The CX-90 doesn’t offer a two-wheel drive configuration.

Consumer Reports® recommends the Acura MDX, based on reliability, safety and performance.