2019 Chevrolet Volt vs. 2019 Toyota Mirai

Detailed Review, Specifications & Comparison

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Safety

Both the Volt 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, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems, front and rear parking sensors and rear cross-path warning.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, with its optional front crash prevention system, and its headlight’s “Good” to “Acceptable” rating, the Insurance Institute for Highway Safety grants the Volt the rating of “Top Pick” for 2018, a rating granted to only 100 vehicles tested by the IIHS. The Mirai has not been tested, yet.

Warranty

The Volt’s corrosion warranty is 1 year longer than the Mirai’s (6 vs. 5 years).

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

Reliability

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Chevrolet vehicles are better in initial quality than Toyota vehicles. J.D. Power ranks Chevrolet 6th in initial quality, above the industry average. With 14 more problems per 100 vehicles, Toyota is ranked 17th, below the industry average.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Chevrolet vehicles are more reliable than Toyota vehicles. J.D. Power ranks Chevrolet 6th in reliability, above the industry average. With 3 more problems per 100 vehicles, Toyota is ranked 8th.

Engine

The Volt’s 1.5 DOHC 4 cyl. hybrid produces 47 lbs.-ft. more torque (294 vs. 247) than the Mirai’s electric motor.

As tested in Car and Driver the Chevrolet Volt is faster than the Toyota Mirai:

 

Volt

Mirai

Zero to 30 MPH

2.2 sec

3.1 sec

Zero to 60 MPH

7.4 sec

9.4 sec

Zero to 100 MPH

22.5 sec

34.2 sec

Passing 30 to 50 MPH

3.1 sec

3.9 sec

Passing 50 to 70 MPH

4.3 sec

6.3 sec

Quarter Mile

15.8 sec

17.2 sec

Speed in 1/4 Mile

88 MPH

80 MPH

Fuel Economy and Range

On the EPA test cycle the Volt running on electricity gets better fuel mileage than the Mirai (113 city/99 hwy vs. 67 city/67 hwy MPGe).

Brakes and Stopping

The Volt stops much shorter than the Mirai:

 

Volt

Mirai

 

70 to 0 MPH

180 feet

194 feet

Car and Driver

60 to 0 MPH

114 feet

130 feet

Motor Trend

Tires and Wheels

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

The Volt has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The Mirai doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

The Volt has vehicle speed sensitive variable-assist power steering, for low-effort parking, better control at highway speeds and during hard cornering, and a better feel of the road. The Mirai doesn’t offer variable-assist power steering.

The Volt Premier handles at .86 G’s, while the Mirai pulls only .74 G’s of cornering force in a Motor Trend skidpad test.

The Volt Premier executes Motor Trend’s “Figure Eight” maneuver 1.9 seconds quicker than the Mirai (26.9 seconds @ .63 average G’s vs. 28.8 seconds @ .57 average G’s).

For better maneuverability, the Volt’s turning circle is 1 foot tighter than the Mirai’s (36.4 feet vs. 37.4 feet).

Chassis

The Chevrolet Volt may be more efficient, handle and accelerate better because it weighs about 550 pounds less than the Toyota Mirai.

The Volt is 1 foot shorter than the Mirai, making the Volt easier to handle, maneuver and park in tight spaces.

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

As tested by Car and Driver, the interior of the Volt Premier is quieter than the Mirai:

 

Volt

Mirai

At idle

30 dB

36 dB

Full-Throttle

66 dB

67 dB

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Volt a Compact car, while the Mirai is rated a Subcompact.

The Volt has standard seating for 5 passengers; the Mirai can only carry 4.

The Volt has 4.6 cubic feet more passenger volume than the Mirai (90.3 vs. 85.7).

The Volt has .3 inches more front hip room, 2.2 inches more front shoulder room and 4.6 inches more rear legroom than the Mirai.

Cargo Capacity

The Volt’s standard rear seats fold to accommodate long and bulky cargo. The Mirai doesn’t offer folding rear seats.

Ergonomics

The Volt 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.

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

The Volt Premier’s Automatic Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Mirai doesn’t offer an automated parking system.

Recommendations

The Chevrolet Volt outsold the Toyota Mirai by almost 11 to one during 2018.

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

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