Compare the2025 Hyundai ElantraVS 2025 Kia K4

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The Elantra’s 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. The K4 doesn’t offer a lane departure warning system.

The Elantra has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. A system to reveal vehicles in the K4’s blind spot costs extra.

To help make backing out of a parking space safer, the Elantra has standard Rear Cross-Traffic Collision Warning and Rear Cross-Traffic Collision-Avoidance Assist automatically engages the brakes to help avoid a collision. Only the K4 LXS/EX/GT-Line offers Rear Cross-Traffic Collision Warning.

The Elantra (except SE) offers an optional Blue Link, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The K4 doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the Elantra and the K4 have standard driver and passenger frontal airbags, front and rear side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors and available rear parking sensors.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Hyundai Elantra is safer than the Kia K4:

	Elantra	K4
	Driver
STARS	5 Stars	5 Stars
HIC	142	375
Leg Forces (l/r)	66/48 lbs.	147/158 lbs.
	Passenger
STARS	4 Stars	4 Stars
HIC	314	349
Chest Compression	.6 inches	.7 inches
Neck Compression	6 lbs.	70 lbs.
Leg Forces (l/r)	135/61 lbs.	315/48 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 Hyundai Elantra is safer than the Kia K4:

	Elantra	K4
	Front Seat
STARS	5 Stars	5 Stars
HIC	83	222
Hip Force	327 lbs.	361 lbs.
	Rear Seat
STARS	5 Stars	5 Stars
Hip Force	355 lbs.	678 lbs.
	Into Pole
STARS	5 Stars	5 Stars
Spine Acceleration	40 G’s	42 G’s

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

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The Elantra’s corrosion warranty is 2 years and unlimited miles longer than the K4’s (7/unlimited vs. 5/100,000).

Hyundai pays for scheduled maintenance on the Elantra for 3 years and 36,000 miles. Hyundai will pay for oil changes, tire rotations, air filter replacements, cabin filter replacement, brake fluid replacement, inspections, and any other required maintenance. Kia doesn’t pay scheduled maintenance for the K4.

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J.D. Power and Associates rated the Elantra third among compact cars in their 2024 Initial Quality Study. The K4 isn’t in the top three in its category.

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 Kia vehicles. J.D. Power ranks Hyundai third in initial quality, above the industry average. With 1 more problems per 100 vehicles, Kia is ranked fourth.

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As tested in Motor Trend the Hyundai Elantra is faster than the Kia K4 4 cyl.:

	Elantra	K4
Zero to 60 MPH	8.4 sec	9.1 sec
Quarter Mile	16.5 sec	17 sec
Speed in 1/4 Mile	87.5 MPH	85.3 MPH

© 1999 - 2025Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. 9KWFN-7F8XX 2a06:98c0:3600::103 2025/06/24

On the EPA test cycle the Elantra gets better mileage than the K4:

			MPG
Elantra
		SE 2.0 DOHC 4-cyl.	32 city/41 hwy
		2.0 DOHC 4-cyl.	30 city/39 hwy
K4
		LX 2.0 DOHC 4-cyl.	30 city/40 hwy
		2.0 DOHC 4-cyl.	29 city/39 hwy
		1.6 turbo 4-cyl.	26 city/36 hwy

© 1999 - 2025Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. 9KWFN-7F8XX 2a06:98c0:3600::103 2025/06/24

The Elantra stops shorter than the K4:

	Elantra	K4
60 to 0 MPH	116 feet	121 feet	Motor Trend

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The Elantra has standard rear gas-charged shocks for better control over choppy roads. The K4’s suspension doesn’t offer gas-charged shocks.

The Elantra Limited handles at .88 G’s, while the K4 GT-Line Turbo pulls only .83 G’s of cornering force in a Car and Driver skidpad test.

The Elantra Limited executes Motor Trend’s “Figure Eight” maneuver 1 seconds quicker than the K4 GT-Line (27 seconds @ .63 average G’s vs. 28 seconds @ .6 average G’s).

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The Hyundai Elantra may be more efficient, handle and accelerate better because it weighs about 200 to 400 pounds less than the Kia K4.

© 1999 - 2025Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. 9KWFN-7F8XX 2a06:98c0:3600::103 2025/06/24

The Elantra has 1.6 inches more front headroom, .1 inches more front hip room and .9 inches more rear shoulder room than the K4.

© 1999 - 2025Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. 9KWFN-7F8XX 2a06:98c0:3600::103 2025/06/24

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 Elantra’s headlights were rated “Good” by the IIHS, while the K4’s headlights are rated “Acceptable.”

© 1999 - 2025Advanta-STAR Automotive Research, all rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America (“Advanta-STAR”). If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it, or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. Removal of this watermark/notification without prior written license and approval received from Advanta-STAR is an agreement, understanding, and/or stipulation by the person(s), entities, agents, attorneys, and any other persons involved in the removal of this watermark/notification (including but not limited to Search Optics, LLC and any and all parent entities, sister entities, and subsidiary entities of Search Optics, LLC and/or any other entity, agent, attorney, and persons related in any manner to Search Optics, LLC) to: 1) an agreed upon amount of liquidated monetary damages of a minimum of $1,250,000.00 US Dollars in favor of Advanta-STAR; 2) the jurisdiction and enforcement of any legal claims associated with this matter asserted by Advanta-STAR in the United States Federal District Court in Portand, Oregon; and 3) service of process of any legal claims asserted by Advanta-STAR associated with this matter may be accomplished by First-Class Postage by the United States Postal Service or comparable service. 9KWFN-7F8XX 2a06:98c0:3600::103 2025/06/24

Consumer Reports® recommends the Hyundai Elantra, based on reliability, safety and performance.

A group of representative automotive journalists from North America selected the Elantra as the 2021 North American Car of the Year. The K4 has never been chosen.

The Hyundai Elantra outsold the Kia K4 by almost five to one during 2024.