2019 Honda Accord 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 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’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’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’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 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’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’s standard 1.5 turbo 4 cyl. produces 5 more horsepower (192 vs. 187) and 6 lbs.-ft. more torque (192 vs. 186) than the Mazda 6’s standard 2.5 DOHC 4 cyl.

As tested in Car and Driver the Honda Accord 1.5T is faster than the Mazda 6 4 cyl. (manual transmissions tested):

 

Accord

6

Zero to 60 MPH

7.2 sec

7.9 sec

Zero to 80 MPH

11.8 sec

12.8 sec

Zero to 100 MPH

18.7 sec

20 sec

Quarter Mile

15.5 sec

16.1 sec

Speed in 1/4 Mile

92 MPH

90 MPH

As tested in Consumer Reports the Honda Accord 1.5T is faster than the Mazda 6 4 cyl. (automatics tested):

 

Accord

6

Zero to 30 MPH

3.1 sec

3.6 sec

Zero to 60 MPH

7.7 sec

9.2 sec

45 to 65 MPH Passing

5 sec

5.5 sec

Quarter Mile

16.1 sec

17.2 sec

Speed in 1/4 Mile

91 MPH

86 MPH

Fuel Economy and Range

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

 

 

Accord

Mazda 6

 

 

Sport 1.5 turbo 4 cyl./Manual

26 city/35 hwy

24 city/33 hwy

2.5 4 cyl./Auto

 

Sport 2.0 turbo 4 cyl./Manual

22 city/32 hwy

n/a

 

 

1.5 turbo 4 cyl./Auto

30 city/38 hwy

26 city/35 hwy

2.5 4 cyl./Auto

 

Sport/Touring 1.5 turbo 4 cyl./Auto

29 city/35 hwy

n/a

 

 

2.0 turbo 4 cyl./Auto

23 city/34 hwy

23 city/31 hwy

2.5 Turbo/Auto

 

Sport/Touring 2.0 turbo 4 cyl./Auto

22 city/32 hwy

n/a

 

To lower fuel costs and make buying fuel easier, the Honda Accord 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 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 comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the Mazda 6.

A 10-speed automatic is standard on the Honda Accord 2.0 turbo 4 cyl., for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the Mazda 6.

The Accord 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 2.0T/Sport/Touring’s brake rotors are larger than those on the Mazda 6:

 

Accord

Mazda 6

Front Rotors

12.3 inches

11.7 inches

Rear Rotors

11.1 inches

10.9 inches

The Accord stops much shorter than the Mazda 6:

 

Accord

Mazda 6

 

70 to 0 MPH

162 feet

184 feet

Car and Driver

60 to 0 MPH

109 feet

124 feet

Motor Trend

Tires and Wheels

For better traction, the Accord Sport/Touring’s tires are larger than the largest tires available on the Mazda 6 (235/40R19 vs. 225/55R17).

The Accord’s standard 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. The Accord Sport/Touring’s tires have a lower 40 series profile than the Mazda 6 Touring/Grand Touring/Signature’s 45 series tires.

Suspension and Handling

The Accord 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’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 average track (width between the wheels) on the Accord is .2 inches wider in the front and 1 inch wider in the rear than the average track on the Mazda 6.

The Accord Sport handles at .90 G’s, while the Mazda 6 Signature pulls only .81 G’s of cornering force in a Car and Driver skidpad test.

The Accord Sport executes Motor Trend’s “Figure Eight” maneuver 1.2 seconds quicker than the Mazda 6 Touring (26.4 seconds @ .67 average G’s vs. 27.6 seconds @ .62 average G’s).

Chassis

The front grille of the Accord EX 1.5T/EX-L 1.5T 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.

As tested by Car and Driver, the interior of the Accord Touring is quieter than the Mazda 6 Grand Touring:

 

Accord

6

At idle

40 dB

42 dB

Full-Throttle

77 dB

80 dB

70 MPH Cruising

69 dB

69 dB

Passenger Space

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

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

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

A low lift-over trunk design makes loading and unloading the Accord easier. The Accord’s trunk lift-over height is 26.5 inches, while the Mazda 6’s liftover is 28.5 inches.

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the Accord 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. The Mazda 6 doesn’t offer locking storage for small valuables.

Towing

The Accord 2.0L Turbo offers up to a 1000 lbs. towing capacity. The Mazda 6 has no towing capacity.

Ergonomics

The Accord 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 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’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.

Consumer Reports rated the Accord’s headlight performance “Very Good,” a higher rating than the Mazda 6’s headlights, which were rated “Good.”

The Accord 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 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.

Economic Advantages

According to The Car Book by Jack Gillis, the Accord is less expensive to operate than the Mazda 6 because it costs $295 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the Accord than the Mazda 6, including $25 less for front brake pads, $73 less for fuel injection and $126 less for a timing belt/chain.

Recommendations

Consumer Reports® recommends both the Honda Accord and the Mazda 6, based on reliability, safety and performance.

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

The Accord 2.0T Sport was chosen as one of Automobile Magazine’s “All Stars” in 2018. The Mazda 6 has never been an “All Star.”

A group of representative automotive journalists from North America selected the Accord as the 2018 North American Car of the Year. The Mazda 6 has never been chosen.

The Honda Accord outsold the Mazda 6 by over 9 to one during the 2018 model year.

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

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