Compare the2026 Hyundai Ioniq 9VS 2025 Ford Mustang Mach-E

For enhanced safety, the front and second-row seat shoulder belts of the Hyundai Ioniq 9 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 Ford Mustang Mach-E doesn’t offer pretensioners for its rear seat belts.

The Ioniq 9 has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The Mustang Mach-E doesn’t offer front seat center airbags.

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

The Hyundai Ioniq 9 comes with a standard Surround View Monitor, while the Ford Mustang Mach-E doesn’t offer a camera washer, requiring manual cleaning.

Both the Ioniq 9 and the Mustang Mach-E have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, 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 and available around view monitors.

The Hyundai Ioniq 9 weighs 532 to 1614 pounds more than the Ford Mustang Mach-E. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

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

Hyundai’s powertrain warranty covers the Ioniq 9 5 years and 40,000 miles longer than Ford covers the Mustang Mach-E. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Mustang Mach-E ends after only 5 years or 60,000 miles.

The Ioniq 9’s corrosion warranty is 2 years longer than the Mustang Mach-E’s (7 vs. 5 years).

Hyundai pays for scheduled maintenance on the Ioniq 9 for 3 years and 36,000 miles. Hyundai will pay for tire rotations, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Ford doesn’t pay scheduled maintenance for the Mustang Mach-E.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Hyundai vehicles are better in initial quality than Ford vehicles. J.D. Power ranks Hyundai third in initial quality, above the industry average. With 17 more problems per 100 vehicles, Ford is ranked 9th.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Hyundai vehicles are more reliable than Ford With 41 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Hyundai higher than Ford.

From surveys of all its subscribers, Consumer Reports’ March 2025 Auto Issue reports that Hyundai vehicles are more reliable than Ford vehicles. Consumer Reports ranks Hyundai 3 places higher in reliability than Ford.

On the EPA test cycle the Ioniq 9 SE/SEL gets better mileage than the Mustang Mach-E Rally (98 city/78 hwy vs. 90 city/81 hwy MPGe).

The Ioniq 9 can travel longer on a full charge than the Mustang Mach-E on a full charge:

The Ioniq 9 has a standard locking charge port with a power remote release convenient to the driver. The Mustang Mach-E doesn’t have a locking charge port. A locking charge port prevents tampering and damage.

The Ioniq 9’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Mustang Mach-E are solid, not vented.

For better traction, the Ioniq 9 has larger standard tires than the Mustang Mach-E (255/60R19 vs. 225/55R19). The Ioniq 9 Limited/Calligraphy’s tires are larger than the largest tires available on the Mustang Mach-E (285/45R21 vs. 245/45R20).

For better ride, handling and brake cooling the Ioniq 9 Limited/Calligraphy has standard 21-inch wheels. The Mustang Mach-E’s largest wheels are only 20-inches.

The Ioniq 9 has a standard automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The Mustang Mach-E doesn’t offer a load leveling suspension.

The Ioniq 9’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Mustang Mach-E doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Ioniq 9’s wheelbase is 5.7 inches longer than on the Mustang Mach-E (123.2 inches vs. 117.5 inches).

For better handling and stability, the average track (width between the wheels) on the Ioniq 9 is 3.3 inches wider in the front and 3.9 inches wider in the rear than the track on the Mustang Mach-E.

For greater off-road capability the Ioniq 9 has a 1.1 inches greater minimum ground clearance than the Mustang Mach-E (6.9 vs. 5.8 inches), allowing the Ioniq 9 to travel over rougher terrain without being stopped or damaged.

The Ioniq 9 Limited/Calligraphy uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Mustang Mach-E doesn’t offer active noise cancellation.

The Ioniq 9 has standard seating for 7 passengers; the Mustang Mach-E can only carry 5.

The Ioniq 9 has 62.4 cubic feet more passenger volume than the Mustang Mach-E (163.5 vs. 101.1).

The Ioniq 9 has 2.6 inches more front headroom, 3.4 inches more front hip room, 3.8 inches more front shoulder room, 2.8 inches more rear headroom, 4.7 inches more rear legroom, 4.5 inches more rear hip room and 5.1 inches more rear shoulder room than the Mustang Mach-E.

For enhanced passenger comfort on long trips the Ioniq 9’s middle and third row seats recline. The Mustang Mach-E’s rear seats don’t recline.

The Ioniq 9’s cargo area provides more volume than the Mustang Mach-E.

Pressing a switch automatically lowers or raises the Ioniq 9 Limited/Calligraphy’s second and third row seats, to make changing between cargo and passengers easier. The Mustang Mach-E doesn’t offer automatic folding second row seats.

The Ioniq 9’s rear cargo window opens separately from the rest of the liftgate door to allow quicker loading of small packages. The Mustang Mach-E’s rear cargo window doesn’t open.

To make loading groceries and cargo easier when your hands are full, the Ioniq 9’s liftgate can be opened just by waiting momentarily behind the back bumper, leaving your hands completely free. The Mustang Mach-E doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

The Ioniq 9 has a 3500 lbs. towing capacity. The Mustang Mach-E has no towing capacity.

Standard Trailer Stability Assist (TSA) on the Ioniq 9 uses the Electronic Stability Control sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The Mustang Mach-E doesn’t offer electronic trailer sway control.

The Ioniq 9 Calligraphy has a standard heads-up display that projects speed, navigation instruction and driver assistance information readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Mustang Mach-E doesn’t offer a heads-up display.

Manual rear side window sunshades are available in the Ioniq 9 to help block heat and glare for the rear passengers. The Mustang Mach-E doesn’t offer rear side window sunshades.

When the Ioniq 9 Limited/Calligraphy is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The Mustang Mach-E’s mirrors don’t automatically adjust for backing.

The Ioniq 9 has standard heated front seats. Heated front seats cost extra on the Mustang Mach-E. The Ioniq 9 SEL/Limited/Calligraphy also has standard heated second row seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Mustang Mach-E.

The Ioniq 9 SEL/Limited/Calligraphy has standard front air conditioned seats and the Ioniq 9 Limited/Calligraphy also has them in the second row. This keeps the passengers comfortable and takes the sting out of hot seats in summer. The Mustang Mach-E doesn’t offer air-conditioned seats in the rear.

The Ioniq 9 Calligraphy has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Mustang Mach-E.

The Ioniq 9 offers an optional 115-volt a/c outlet in the cargo area, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The Mustang Mach-E doesn’t offer a house-current electrical outlet.

The Ioniq 9 Calligraphy’s Parking Assist can parallel park by itself, starting, stopping and changing direction automatically. Remote Parking Assist will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The Mustang Mach-E’s automatic parking system does not offer parking by remote control.