2020 Kia Optima Hybrid vs. 2019 Mazda 6

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Mazda 6 doesn’t offer a driver alert monitor.

Both the Optima Hybrid and the Mazda 6 have standard driver and passenger frontal airbags, front 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, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning 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, with its optional front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the Optima Hybrid its highest rating: “Top Pick Plus” for 2019, a rating granted to only 46 vehicles tested by the IIHS. The Mazda 6 has not been fully tested, yet.

Warranty

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The 6’s 3-year/36,000-mile basic warranty expires 2 years and 24,000 miles sooner.

Kia’s powertrain warranty covers the Optima Hybrid 5 years and 40,000 miles longer than Mazda covers the 6. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Mazda 6 ends after only 5 years or 60,000 miles.

There are over 32 percent more Kia dealers than there are Mazda dealers, which makes it easier should you ever need service under the Optima Hybrid’s warranty.

Reliability

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Kia second in initial quality, above the industry average. With 24 more problems per 100 vehicles, Mazda is ranked 12th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Kia vehicles are more reliable than Mazda vehicles. J.D. Power ranks Kia 10th in reliability, above the industry average. With 33 more problems per 100 vehicles, Mazda is ranked 21st.

Engine

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid’s 2.0 DOHC 4 cyl. hybrid produces 5 more horsepower (192 vs. 187) and 85 lbs.-ft. more torque (271 vs. 186) than the Mazda 6’s standard 2.5 DOHC 4 cyl.

Fuel Economy and Range

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

On the EPA test cycle the Optima Hybrid gets better fuel mileage than the Mazda 6:

MPG

Optima Hybrid

Auto

2.0 DOHC 4-cyl.

40 city/45 hwy

Mazda 6

Manual

2.5 DOHC 4-cyl.

24 city/33 hwy

Auto

2.5 DOHC 4-cyl.

26 city/35 hwy

2.5 Turbo 4-cyl.

23 city/31 hwy

Regenerative brakes improve the Optima Hybrid’s fuel efficiency by converting inertia back into energy instead of wasting it. The Mazda 6 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Optima Hybrid’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Mazda 6 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Kia Optima Hybrid uses regular unleaded gasoline. The Mazda 6 Grand Touring/Signature requires premium for maximum efficiency, which can cost 20 to 55 cents more per gallon.

Brakes and Stopping

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

For better stopping power the Optima Hybrid’s standard brake rotors are larger than those on the Mazda 6:

Optima Hybrid

6

Front Rotors

12 inches

11.7 inches

Rear Rotors

11.2 inches

10.9 inches

The Optima Hybrid’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Mazda 6 are solid, not vented.

Suspension and Handling

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

For better handling and stability, the track (width between the wheels) on the Optima Hybrid is .5 inches wider in the front and 1.2 inches wider in the rear than the average track on the Mazda 6.

For better maneuverability, the Optima Hybrid’s turning circle is .9 feet tighter than the Mazda 6’s (35.8 feet vs. 36.7 feet).

Chassis

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The design of the Kia Optima Hybrid amounts to more than styling. The Optima Hybrid has an aerodynamic coefficient of drag of .24 Cd. That is significantly lower than the Mazda 6 (.285) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Optima Hybrid get better fuel mileage.

The front grille of the Optima Hybrid uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Mazda 6 doesn’t offer active grille shutters.

Passenger Space

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid has 5.1 cubic feet more passenger volume than the Mazda 6 (104.8 vs. 99.7).

The Optima Hybrid has 1.4 inches more front headroom, 3.3 inches more front legroom, 2.5 inches more front hip room, 2.2 inches more front shoulder room, .7 inches more rear headroom, 2.5 inches more rear hip room and 1.3 inches more rear shoulder room than the Mazda 6.

Cargo Capacity

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To make loading groceries and cargo easier when your hands are full, the Optima Hybrid’s trunk can be opened just by waiting momentarily behind the back bumper, leaving your hands completely free. The Mazda 6 doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Servicing Ease

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid uses gas struts to support the hood for easier service access. The Mazda 6 uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

Ergonomics

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

The Optima Hybrid’s optional easy entry system glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The Mazda 6 doesn’t offer an easy entry system.

The power windows standard on both the Optima Hybrid and the Mazda 6 have locks to prevent small children from operating them. When the lock on the Optima Hybrid is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Mazda 6 prevents the driver from operating the other windows just as it does the other passengers.

The Optima Hybrid’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Mazda 6’s power lock and power mirror switches are unlit, making them difficult to find at night and operate safely.

The Optima Hybrid’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Mazda only offers heated mirrors on the Mazda 6 Grand Touring/Signature.

When the Optima Hybrid with available tilt-down mirrors 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 Mazda 6’s mirrors don’t automatically adjust for backing.

Both the Optima Hybrid and the Mazda 6 offer rear vents. For greater rear passenger comfort, the Optima Hybrid has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Mazda 6 doesn’t offer rear air conditioning vents, only heat vents.

Recommendations

© 1999 - 2019 Advanta-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. 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. 6IUEX-0KENZ 45.55.47.189 2019/10/14

Consumer Reports® recommends both the Kia Optima Hybrid and the Mazda 6, based on reliability, safety and performance.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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