2019 Honda Clarity Plug-In Hybrid vs. 2019 Toyota Mirai

Detailed Review, Specifications & Comparison

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Both the Clarity Plug-In Hybrid and the Mirai have standard driver and passenger frontal airbags, front side-impact airbags, driver knee 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.


The Clarity Plug-In Hybrid’s 1.5 DOHC 4 cyl. hybrid produces 61 more horsepower (212 vs. 151) than the Mirai’s electric motor.

As tested in Motor Trend the Honda Clarity Plug-In Hybrid is faster than the Toyota Mirai:




Zero to 60 MPH

7.5 sec

8.9 sec

Quarter Mile

15.9 sec

16.9 sec

Speed in 1/4 Mile

87.9 MPH

81.1 MPH

Fuel Economy and Range

On the EPA test cycle the Clarity Plug-In Hybrid running on electricity gets better fuel mileage than the Mirai (117 city/102 hwy vs. 67 city/67 hwy MPGe).

Brakes and Stopping

For better stopping power the Clarity Plug-In Hybrid’s brake rotors are larger than those on the Mirai:




Front Rotors

12.3 inches

11.6 inches

Rear Rotors

12.2 inches

11.41 inches

Tires and Wheels

For better traction, the Clarity Plug-In Hybrid has larger tires than the Mirai (235/45R18 vs. 215/55R17).

The Clarity Plug-In Hybrid’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Mirai’s standard 55 series tires.

For better ride, handling and brake cooling the Clarity Plug-In Hybrid has standard 18-inch wheels. Only 17-inch wheels are available on the Mirai.

Suspension and Handling

For superior ride and handling, the Honda Clarity Plug-In Hybrid has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Toyota Mirai has a rear torsion beam axle, with a semi-independent rear suspension.

The Clarity Plug-In Hybrid has standard front and rear stabilizer bars, which help keep the Clarity Plug-In Hybrid flat and controlled during cornering. The Mirai’s suspension doesn’t offer a rear stabilizer bar.

For better handling and stability, the track (width between the wheels) on the Clarity Plug-In Hybrid is 1.7 inches wider in the front and 1.5 inches wider in the rear than on the Mirai.

The Clarity Plug-In Hybrid Touring handles at .78 G’s, while the Mirai pulls only .74 G’s of cornering force in a Motor Trend skidpad test.

The Clarity Plug-In Hybrid Touring executes Motor Trend’s “Figure Eight” maneuver quicker than the Mirai (27.9 seconds @ .61 average G’s vs. 28.8 seconds @ .57 average G’s).

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Clarity Plug-In Hybrid a Mid-size car, while the Mirai is rated a Subcompact.

The Clarity Plug-In Hybrid has standard seating for 5 passengers; the Mirai can only carry 4.

The Clarity Plug-In Hybrid has 15.8 cubic feet more passenger volume than the Mirai (101.5 vs. 85.7).

The Clarity Plug-In Hybrid has .6 inches more front headroom, 2.4 inches more front hip room, 5.4 inches more front shoulder room, .3 inches more rear headroom, 6.1 inches more rear legroom, 3.2 inches more rear hip room and 3.8 inches more rear shoulder room than the Mirai.

Cargo Capacity

The Clarity Plug-In Hybrid has a much larger trunk than the Mirai (15.5 vs. 12.8 cubic feet).

The Clarity Plug-In Hybrid’s standard rear seats fold to accommodate long and bulky cargo. The Mirai doesn’t offer folding rear seats.


The Clarity Plug-In Hybrid Touring has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Mirai doesn’t offer a remote starting system.

If the windows are left open on the Clarity Plug-In 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 Mirai can only close the windows from inside the vehicle, with the ignition on.


The Honda Clarity outsold the Toyota Mirai by almost 12 to one during 2018.

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

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