Compare the2023 Hyundai Ioniq 5VS 2023 Mercedes EQS

Both the Ioniq 5 and EQS have child safety locks to prevent children from opening the rear doors. The Ioniq 5 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 EQS’ 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 Ioniq 5 are reminded to check the back seat if they opened the rear door before starting out. The EQS doesn’t offer a back seat reminder.

Both the Ioniq 5 and the EQS have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front 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 and available around view monitors.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard vehicle-to-vehicle front crash prevention system, its standard vehicle-to-pedestrian front crash prevention system, and its standard headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the Ioniq 5 its highest rating: “Top Safety Pick Plus” for 2022, a rating granted to only 127 vehicles tested by the IIHS. The EQS has not been tested, yet.

The Ioniq 5 comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The EQS’ 4-year/50,000-mile basic warranty expires 1 year or 10,000 miles sooner.

Hyundai’s powertrain warranty covers the Ioniq 5 6 years and 50,000 miles longer than Mercedes covers the EQS. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the EQS ends after only 4 years or 50,000 miles.

The Ioniq 5’s corrosion warranty is 2 years longer than the EQS’ (7 vs. 5 years).

Hyundai pays for scheduled maintenance on the Ioniq 5 for 3 years and 36,000 miles. Hyundai will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the EQS.

There are over 2 times as many Hyundai dealers as there are Mercedes dealers, which makes it much easier should you ever need service under the Ioniq 5’s warranty.

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 Ioniq 5’s reliability 11 points higher than the EQS.

J.D. Power and Associates’ 2022 Initial Quality Study of new car owners surveyed provide the statistics that show that Hyundai vehicles are better in initial quality than Mercedes vehicles. With 4 fewer problems per 100 vehicles, JD Power ranks Hyundai higher than Mercedes.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the statistics that show that Hyundai vehicles are more reliable than Mercedes vehicles. J.D. Power ranks Hyundai third in reliability, above the industry average. With 47 more problems per 100 vehicles, Mercedes is ranked 18th.

From surveys of all its subscribers, Consumer Reports’ January 2023 Auto Issue reports that Hyundai vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks Hyundai 11 places higher in reliability than Mercedes.

As tested in Car and Driver the Hyundai Ioniq 5 electric motors is faster than the EQS 450+ electric motor:

On the EPA test cycle the Ioniq 5 gets better mileage than the EQS:

The Ioniq 5 stops shorter than the EQS:

The Ioniq 5 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 EQS doesn’t offer vehicle monitored tire inflation.

The Hyundai Ioniq 5 may be more efficient, handle and accelerate better because it weighs about 1250 to 1650 pounds less than the Mercedes EQS.

The Ioniq 5 is 2 feet shorter than the EQS, making the Ioniq 5 easier to handle, maneuver and park in tight spaces.

The Ioniq 5 has 3.5 cubic feet more passenger volume than the EQS (106.5 vs. 103).

The Ioniq 5 offers up to a 2300 lbs. towing capacity. The EQS has no towing capacity.

Consumer Reports® recommends the Hyundai Ioniq 5, based on reliability, safety and performance. The Mercedes EQS isn't recommended.

The Ioniq 5 was chosen as a Car and Driver’s “Top Ten” for 2023 and 2022. The EQS has never been chosen by Car and Driver in their “10Best” issue.

The Hyundai Ioniq outsold the Mercedes EQS by over three to one during 2022.