Compare the2025 Volkswagen ID.4VS 2025 Hyundai Ioniq 6

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

Safety

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The ID.4’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Ioniq 6 doesn’t offer pre-crash pretensioners.

The ID.4 has a standard Automatic Post-Collision Braking System, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Ioniq 6 doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Both the ID.4 and the Ioniq 6 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, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available 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 Volkswagen ID.4 is safer than the Hyundai Ioniq 6:

	ID.4	Ioniq 6
OVERALL STARS	5 Stars	4 Stars
	Driver
STARS	5 Stars	4 Stars
HIC	169	207
Neck Injury Risk	18%	25.8%
Neck Stress	189 lbs.	246 lbs.
Neck Compression	8 lbs.	60 lbs.
Leg Forces (l/r)	39/39 lbs.	170/218 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 flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Volkswagen ID.4 is safer than the Hyundai Ioniq 6:

	ID.4	Ioniq 6
	Front Seat
STARS	5 Stars	5 Stars
HIC	76	96
Abdominal Force	128 lbs.	133 lbs.
	Rear Seat
STARS	5 Stars	5 Stars
HIC	125	148
Spine Acceleration	35 G’s	39 G’s
	Into Pole
STARS	5 Stars	5 Stars
Max Damage Depth	6 inches	10 inches
Spine Acceleration	43 G’s	47 G’s

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

Engine

The ID.4 has more powerful engines than the Ioniq 6:

	Horsepower	Torque
ID.4 electric motor	201 HP	229 lbs.-ft.
ID.4 Pro electric motor	282 HP	402 lbs.-ft.
ID.4 Pro electric motors	335 HP	501 lbs.-ft.
Ioniq 6 Standard Range electric motor	149 HP	258 lbs.-ft.
Ioniq 6 Long Range electric motor	225 HP	258 lbs.-ft.
Ioniq 6 electric motors	320 HP	446 lbs.-ft.

As tested in Car and Driver the ID.4 Pro electric motors is faster than the Ioniq 6 Long Range electric motor:

	ID.4	Ioniq 6
Zero to 60 MPH	4.8 sec	6.2 sec
5 to 60 MPH Rolling Start	4.8 sec	6.3 sec
Passing 30 to 50 MPH	1.8 sec	2.5 sec
Passing 50 to 70 MPH	2.7 sec	3.6 sec
Quarter Mile	13.5 sec	14.8 sec
Speed in 1/4 Mile	98 MPH	95 MPH

Fuel Economy and Range

On the EPA test cycle the ID.4 Pro RWD gets better mileage than the Ioniq 6 Long Range SEL/Limited RWD (122 city/104 hwy vs. 123 city/100 hwy MPGe).

The ID.4 Pro RWD can travel longer on a full charge than the Ioniq 6 Standard Range (291 miles vs. 240 miles).

Brakes and Stopping

For better stopping power the ID.4’s front brake rotors are larger than those on the Ioniq 6:

	ID.4	Ioniq 6
Front Rotors	14.1 inches	12.8 inches

The ID.4 stops much shorter than the Ioniq 6:

	ID.4	Ioniq 6
70 to 0 MPH	169 feet	182 feet	Car and Driver
60 to 0 MPH	118 feet	128 feet	Motor Trend
60 to 0 MPH (Wet)	138 feet	145 feet	Consumer Reports

Tires and Wheels

For better traction, the ID.4 has larger standard tires than the Ioniq 6 (235/55R19 vs. 225/55R18).

For better ride, handling and brake cooling the ID.4 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Ioniq 6 SE. The ID.4 Pro S Plus’ 21-inch wheels are larger than the 20-inch wheels on the Ioniq 6 SEL/Limited.

Suspension and Handling

For better maneuverability, the ID.4’s turning circle is 7.3 feet tighter than the Ioniq 6’s (31.5 feet vs. 38.8 feet). The ID.4 AWD’s turning circle is 2.4 feet tighter than the Ioniq 6’s (36.42 feet vs. 38.8 feet).

Chassis

The ID.4 is 10.6 inches shorter than the Ioniq 6, making the ID.4 easier to handle, maneuver and park in tight spaces.

Passenger Space

The ID.4 has .4 inches more front headroom, 1 inch more rear headroom and 2.9 inches more rear legroom than the Ioniq 6.

Towing

The ID.4 has a 2200 lbs. towing capacity. The Ioniq 6 has no towing capacity.

Standard trailer stability control on the ID.4 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 Ioniq 6 doesn’t offer electronic trailer sway control.

Servicing Ease

A Service Interval Display is standard on the ID.4 to save the owner time and money by calculating maintenance intervals for vehicle inspections, vehicle inspection based on odometer mileage. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Hyundai doesn’t offer a maintenance reminder on the Ioniq 6.

Ergonomics

The ID.4’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 Ioniq 6’s standard passenger windows don’t open or close automatically. With the Ioniq 6 SEL/Limited’s power windows, only the front windows open or close automatically.

If the windows are left open on the ID.4 the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Ioniq 6 can only close the windows from inside the vehicle, with the ignition on.

The ID.4’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Ioniq 6’s standard manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the ID.4 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Ioniq 6 doesn’t offer heated windshield washer nozzles.

To improve rear visibility by keeping the rear window clear, the ID.4 has a standard rear wiper. The Ioniq 6 doesn’t offer a rear wiper.

Consumer Reports rated the ID.4’s headlight performance “Good,” a higher rating than the Ioniq 6’s headlights, which were rated “Fair.”

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The ID.4’s headlights were rated “Good” to “Acceptable” by the IIHS, while the Ioniq 6’s headlights are rated “Acceptable.”

To help drivers avoid possible obstacles, the ID.4 S/S Plus has standard cornering lights to illuminate around corners when the turn signals are activated. The Ioniq 6 doesn’t offer cornering lights. The ID.4 S/S Plus also has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

The ID.4’s power mirror controls are mounted on the armrest for easy access. The Ioniq 6’s power mirror controls are on the dash where they are possibly hidden by the steering wheel and are awkward to manipulate.

The ID.4’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Ioniq 6 offers an automatic rear view mirror, but its side mirrors don’t dim.

Both the ID.4 and the Ioniq 6 have standard heated front seats. The ID.4 Pro S Plus also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Ioniq 6.

The ID.4 S/S Plus has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Ioniq 6.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Volkswagen ID.4 has a standard wireless phone charging system (Qi) in the center console. Only the Ioniq 6 SEL/Limited offers wireless charging.

Recommendations

The Volkswagen ID.4 outsold the Hyundai Ioniq 6 by 42% during 2024.

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