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The Mirai’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Bolt doesn’t offer pre-crash pretensioners.
For enhanced safety, the front and rear (child comfort guides) seat shoulder belts of the Toyota Mirai are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Chevrolet Bolt doesn’t offer height-adjustable seat belts.
The Mirai’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 Bolt doesn’t offer a driver alert monitor.
Both the Mirai and the Bolt 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 and rearview cameras.
The Toyota Mirai weighs 512 pounds more than the Chevrolet Bolt. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.
Toyota’s powertrain warranty covers the Mirai 5 years and 40,000 miles longer than Chevrolet covers the Bolt. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Bolt ends after only 5 years or 60,000 miles.
The Mirai’s corrosion warranty is unlimited miles longer than the Bolt’s (unlimited vs. 100,000 miles).
Toyota pays for scheduled maintenance on the Mirai for 1 year and 11000 miles longer than Chevrolet pays for maintenance for the Bolt (3/35000 vs. 2/24,000).
A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Mirai’s reliability 20 points higher than the Bolt.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Toyota vehicles are more reliable than Chevrolet vehicles. Consumer Reports ranks Toyota second in reliability. Chevrolet is ranked 23rd.
The Mirai’s maximum driving range is 312 miles with a full tank of fuel of hydrogen, 31% further than the Bolt’s 238 mile range. After it exhausts its range, the Mirai can then refuel in five minutes, while the Bolt has to recharge for 30 minutes for only a 45% charge at a specially configured quick charge station not available in most areas. A full recharge at a conventional charging station can take up to 50 hours.
For better stopping power the Mirai’s brake rotors are larger than those on the Bolt:
The Mirai stops shorter than the Bolt:
60 to 0 MPH
For a smoother ride and more stable handling, the Mirai’s wheelbase is 7.1 inches longer than on the Bolt (109.5 inches vs. 102.4 inches).
For better handling and stability, the track (width between the wheels) on the Mirai is 1.4 inches wider in the front and 1.9 inches wider in the rear than on the Bolt.
The Mirai handles at .78 G’s, while the Bolt Premier pulls only .77 G’s of cornering force in a Motor Trend skidpad test.
The design of the Toyota Mirai amounts to more than styling. The Mirai has an aerodynamic coefficient of drag of .29 Cd. That is lower than the Bolt (.31) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Mirai get better fuel mileage.
The Mirai has .9 inches more front legroom, 1.8 inches more front hip room, 1.6 inches more rear hip room and .7 inches more rear shoulder room than the Bolt.
With its sedan body style, valet key and remote trunk release lockout, the Mirai offers cargo security. The Bolt’s hatchback body style, non-lockable folding seat and non-lockable remote release defeat cargo security.
A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Mirai. The Bolt doesn’t offer locking storage for small valuables.
The Mirai uses gas struts to support the hood for easier service access. The Bolt uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.
When two different drivers share the Mirai, the memory system makes it convenient for both. Each setting activates different, customized memories for the driver’s seat position, steering wheel position and outside mirror angle. The Bolt doesn’t offer a memory system.
The Mirai’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. The Bolt doesn’t offer an easy entry system.
The Mirai’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Bolt’s passenger windows don’t close automatically.
On a hot day the Mirai’s driver can lower all the windows from a distance using the keyless remote. The driver of the Bolt can only operate the windows from inside the vehicle, with the ignition on.
The Mirai has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent vandalism, such as sugar in the tank and fuel theft. The Bolt doesn’t offer a locking fuel door.
The Mirai’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Bolt’s manually variable intermittent wipers have to be constantly adjusted.
When the Mirai 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 Bolt’s mirrors don’t automatically adjust for backing.
The Mirai has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Bolt offers an automatic rear view mirror, but its side mirrors don’t dim.
The Mirai has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the Bolt.
The Mirai’s standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. The Bolt doesn’t offer dual zone air conditioning.
Both the Mirai and the Bolt offer rear vents. For greater rear passenger comfort, the Mirai has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Bolt doesn’t offer rear air conditioning vents, only heat vents.
To keep a safe, consistent following distance, the Mirai has a standard Dynamic Radar Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Bolt doesn’t offer an adaptive cruise control.
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