Compare the2025 Hyundai Ioniq 5VS 2025 Mercedes EQB

Both the Ioniq 5 and EQB 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 EQB’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.

The Ioniq 5’s standard lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. A lane departure warning system costs extra on the EQB.

Both the Ioniq 5 and the EQB have standard driver and passenger frontal airbags, front side-impact 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, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available around view monitors.

The Hyundai Ioniq 5 has achieved the Insurance Institute for Highway Safety’s (IIHS) highest rating of “Top Safety Pick Plus” for the 2025 model year. This distinction is based on its exceptional performance in IIHS’ rigorous battery of safety tests. Specifically, it earned a “Good” rating in the latest, more stringent moderate overlap front crash test, a “Good” result in the updated side impact test, and an “Acceptable” score in the revised pedestrian crash prevention test. The EQB has not yet been evaluated by the IIHS for 2025.

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 EQB’s 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 EQB. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the EQB ends after only 4 years or 50,000 miles.

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

Hyundai pays for scheduled maintenance on the Ioniq 5 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. Mercedes doesn’t pay scheduled maintenance for the EQB.

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.

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 Mercedes vehicles. J.D. Power ranks Hyundai third in initial quality, above the industry average. With 44 more problems per 100 vehicles, Mercedes is ranked 21st, below the industry average.

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 Mercedes With 20 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Hyundai higher than Mercedes.

The Ioniq 5 has more powerful engines than the EQB:

As tested in Motor Trend the Hyundai Ioniq 5 is faster than the EQB 350 electric motors:

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

The Ioniq 5 can travel longer on a full charge than the EQB on a full charge:

The Ioniq 5 N’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The EQB doesn’t offer launch control.

For better stopping power the Ioniq 5 N’s brake rotors are larger than those on the EQB:

The Ioniq 5 N’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the EQB are solid, not vented.

The Ioniq 5 stops much shorter than the EQB:

For better traction, the Ioniq 5 N’s tires are larger than the largest tires available on the EQB (275/35R21 vs. 235/50R19).

The Ioniq 5 N’s tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the EQB’s optional 45 series tires.

For better ride, handling and brake cooling the Ioniq 5 N has standard 21-inch wheels. The EQB’s largest wheels are only 20-inches.

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 EQB doesn’t offer vehicle monitored tire inflation.

For a smoother ride and more stable handling, the Ioniq 5’s wheelbase is 6.7 inches longer than on the EQB (118.1 inches vs. 111.4 inches).

For better handling and stability, the average track (width between the wheels) on the Ioniq 5 is 2.2 inches wider in the front and 2.5 inches wider in the rear than the track on the EQB.

The Ioniq 5 N handles at .96 G’s, while the EQB 350 4MATIC pulls only .85 G’s of cornering force in a Car and Driver skidpad test.

The Ioniq 5 N executes Motor Trend’s “Figure Eight” maneuver 3.3 seconds quicker than the EQB 350 4MATIC (24.1 seconds @ .82 average G’s vs. 27.4 seconds @ .62 average G’s).

The Hyundai Ioniq 5 may be more efficient, handle and accelerate better because it weighs up to about 500 pounds less than the Mercedes EQB.

The Ioniq 5 has .6 inches more front legroom, 1.8 inches more front shoulder room, 1.3 inches more rear legroom and 2.8 inches more rear shoulder room than the EQB.

The Ioniq 5 has a much larger cargo volume than the EQB with its rear seat up (26.3 vs. 10.7 cubic feet).

The Ioniq 5’s cargo area is larger than the EQB’s in almost every dimension:

To improve rear visibility by keeping the rear window clear, the Ioniq 5 has a standard rear fixed intermittent wiper with a full on position. The rear wiper standard on the EQB only has an intermittent setting, so in a hard rain visibility isn’t as good.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Ioniq 5 has standard extendable sun visors. The EQB doesn’t offer extendable visors.

Manual rear side window sunshades are available in the Ioniq 5 to help block heat and glare for the rear passengers. The EQB doesn’t offer rear side window sunshades.

The Ioniq 5 has standard heated front seats. Heated front seats cost extra on the EQB. The Ioniq 5 SEL/Limited/XRT also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated second row seats aren’t available in the EQB.

The Ioniq 5 Limited’s Parking Assist can parallel park or back into a parking spot 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 EQB’s automatic parking system does not offer parking by remote control.

The Ioniq 5 was chosen as a Car and Driver’s “Top Ten” for 2025 and 4 more times in the last 4 years. The EQB has never been chosen by Car and Driver in their “10Best” issue.

The Hyundai Ioniq 5 outsold the Mercedes EQB by over four to one during 2024.