2019 Honda Accord Hybrid vs. 2018 Mazda 6

Detailed Review, Specifications & Comparison

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Safety

Using vehicle speed sensors and seat sensors, smart airbags in the Accord Hybrid deploy with different levels of force or don’t deploy at all to help better protect passengers of all sizes in different collisions. The Accord Hybrid’s side airbags will shut off if a child is leaning against the door. The Mazda 6’s side airbags don’t have smart features and will always deploy full force.

The Accord 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 Accord 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 Accord 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, rearview cameras, available blind spot warning systems, rear parking sensors and rear cross-path warning.

Warranty

There are over 79 percent more Honda dealers than there are Mazda dealers, which makes it much easier should you ever need service under the Accord Hybrid’s warranty.

Reliability

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Honda vehicles are more reliable than Mazda vehicles. J.D. Power ranks Honda 12th in reliability, above the industry average. With 4 more problems per 100 vehicles, Mazda is ranked 14th.

From surveys of all its subscribers, Consumer Reports’ April 2018 Auto Issue reports that Honda vehicles are more reliable than Mazda vehicles. Consumer Reports ranks Honda 3 places higher in reliability than Mazda.

Engine

The Accord Hybrid’s 2.0 DOHC 4 cyl. hybrid produces 25 more horsepower (212 vs. 187) than the Mazda 6’s standard 2.5 DOHC 4 cyl.

Fuel Economy and Range

On the EPA test cycle the Accord Hybrid gets better fuel mileage than the Mazda 6 Auto with its standard engine (48 city/48 hwy vs. 26 city/35 hwy).

Regenerative brakes improve the Accord 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 Accord 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 Honda Accord 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.

The Accord Hybrid has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Mazda 6 doesn’t offer a cap-less fueling system.

Transmission

The Honda Accord Hybrid comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the Mazda 6.

The Accord 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.

Brakes and Stopping

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

 

Accord Hybrid

6

Front Rotors

12.3 inches

11.7 inches

Rear Rotors

11.1 inches

10.9 inches

Tires and Wheels

The Accord Hybrid’s tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Mazda 6 Sport’s standard 55 series tires.

Suspension and Handling

The Accord Hybrid offers an available driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The Mazda 6’s suspension doesn’t offer adjustable shock absorbers.

The Accord Hybrid’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Mazda 6 doesn’t offer drift compensation steering.

For better handling and stability, the track (width between the wheels) on the Accord Hybrid is .4 inches wider in the front and 1.2 inches wider in the rear than the average track on the Mazda 6.

Chassis

The front grille of the Accord 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

Because it has more passenger and cargo room, the EPA rates the Accord Hybrid a Large car, while the Mazda 6 is rated a Mid-size.

The Accord Hybrid has 5.9 cubic feet more passenger volume than the Mazda 6 (105.6 vs. 99.7).

The Accord Hybrid has 1.1 inches more front headroom, .1 inches more front legroom, 1.8 inches more front hip room, 2.4 inches more front shoulder room, .2 inches more rear headroom, 1.7 inches more rear legroom, 1.5 inches more rear hip room and 1.4 inches more rear shoulder room than the Mazda 6.

Cargo Capacity

The Accord Hybrid has a much larger trunk than the Mazda 6 (16.7 vs. 14.7 cubic feet).

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the Accord Hybrid offers cargo security. The Mazda 6’s non-lockable remote release defeats cargo security.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Accord Hybrid. The Mazda 6 doesn’t offer locking storage for small valuables.

Ergonomics

The Accord Hybrid EX-L/Touring’s standard 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.

If the windows are left open on the Accord 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. The driver of the Mazda 6 can only operate the windows from inside the vehicle, with the ignition on.

The Accord Hybrid’s standard speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The Mazda 6 Sport’s standard manually variable intermittent wipers have to be constantly adjusted.

The Accord Hybrid has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. The Mazda 6 only offers an automatic headlight on/off feature as an extra cost option.

When the Accord Hybrid Touring 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.

Recommendations

The Accord was chosen as one of Car and Driver’s “Top Ten” for 2018 and 22 of the last 24 years. The Mazda 6 hasn’t been picked since 2015.

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

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