2020 Toyota Corolla Hybrid vs. 2019 Mazda 6

Detailed Review, Specifications & Comparison

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Safety

The Corolla Hybrid has a standard Secondary Collision Brake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Mazda 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.

The Corolla 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.

Compared to metal, the Corolla Hybrid’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Mazda 6 has a metal gas tank.

Both the Corolla 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 and rearview cameras.

Warranty

Toyota pays for scheduled maintenance on the Corolla Hybrid for 2 years and 25000 miles. Toyota will pay for oil changes, lubrication and any other required maintenance. Mazda doesn’t pay scheduled maintenance for the 6.

There are over 2 times as many Toyota dealers as there are Mazda dealers, which makes it much easier should you ever need service under the Corolla Hybrid’s warranty.

Reliability

The Mazda 6’s redline is at 6300 to 6500 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The Corolla Hybrid has a 4000 RPM redline.

J.D. Power and Associates rated the Corolla Hybrid first among compact cars in their 2018 Initial Quality Study. The Mazda 6 isn’t in the top three in its category.

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Toyota vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Toyota 17th in initial quality. With 4 more problems per 100 vehicles, Mazda is ranked 22nd.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Toyota vehicles are more reliable than Mazda vehicles. J.D. Power ranks Toyota second in reliability, above the industry average. With 51 more problems per 100 vehicles, Mazda is ranked 21st.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Toyota vehicles are more reliable than Mazda vehicles. Consumer Reports ranks Toyota second in reliability. Mazda is ranked third.

Fuel Economy and Range

On the EPA test cycle the Corolla Hybrid gets better fuel mileage than the Mazda 6 with its standard engine (53 city/52 hwy vs. 26 city/35 hwy).

Regenerative brakes improve the Corolla 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 Corolla 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 Toyota Corolla 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.

Transmission

The Corolla Hybrid has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The Mazda 6 doesn’t offer a CVT.

Suspension and Handling

For better maneuverability, the Corolla Hybrid’s turning circle is 2.6 feet tighter than the Mazda 6’s (34.1 feet vs. 36.7 feet).

Chassis

The Corolla Hybrid is 10.4 inches shorter than the Mazda 6, making the Corolla Hybrid easier to handle, maneuver and park in tight spaces.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the Corolla Hybrid easier. The Corolla Hybrid’s trunk lift-over height is 25.5 inches, while the Mazda 6’s liftover is 28.5 inches.

Ergonomics

The power windows standard on both the Corolla Hybrid and the Mazda 6 have locks to prevent small children from operating them. When the lock on the Corolla 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.

If the windows are left open on the Corolla Hybrid the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. (Your Toyota service department must activate this window function.) The driver of the Mazda 6 can only operate the windows from inside the vehicle, with the ignition on.

The Corolla 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.

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

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