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To help members understand the latest automotive technology so they can purchase vehicles that best suit their needs, the Automobile Club of Southern California's Automotive Research Center (ARC) began testing and reviewing vehicles over a decade ago

For the 2022 edition, we include testing and ranking cars and light trucks with the latest technology, including having at least one advanced driver-assistance system (ADAS) feature. In addition to vehicle evaluation, the guide covers a number of pertinent automotive topics in detail—for example, the latest advanced safety features, how to properly maintain your vehicle, and new vehicles coming to market in the next few years.

2021 Toyota Mirai Limited

Vehicle Type: Midsize Hydrogen Fuel Cell
 overall score
Category Ranking: 2

Vehicle Price

Base Price: $66,000
Price as Tested: $67,420

Fuel Information

Fuel Type: Hydrogen
Fuel Capacity (kg): 5.6
EPA City MPGe67
EPA Highway MPGe64
EPA Combined MPGe65
EPA-Est. Electric Range (mi): 357

Advanced Safety Features

  • Adaptive Cruise Control [S]
  • Advanced Headlights [S]
  • Automatic Emergency Braking [S]
  • Blind-Spot Warning [S]
  • Forward-Collision Warning [S]
  • Lane-Departure Warning [S]
  • Lane-Keeping Assistance [S]
  • Rear Cross-Traffic Warning [S]
  • Reverse Automatic Emergency Braking [O]
  • [S] Standard, [O] Optional

Overall Observations

Completely redesigned for 2021, the secondgeneration Mirai is much more stylish and functional—and about $9,000 cheaper—than the outgoing version. Under the skin, it’s a zero-emission EV powered by a single electric motor (182 hp) and compressed hydrogen stored in onboard tanks. The Mirai has a solid feel, quick acceleration, and a smooth, comfortable ride that cushions occupants from pavement imperfections. The range between fill-ups—also increased—is between 350 and 400 miles, depending on the trim level. Rear-wheel drive, a full complement of advanced safety features, LED headlights with auto high beams, and 3 drive modes are standard. The Mirai is also eligible for a federal tax credit and comes with 6 years/$15,000 of free fuel. Which brings up the Mirai’s (significant) downside: the absence of a robust hydrogen-fueling infrastructure. Virtually all hydrogen filling stations (about 50) are in California and Honolulu, the only places the Mirai is available. So Mirai owners have to plan their travels carefully, and out-of-state travel is effectively impossible
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Strengths and Weaknesses

Strong Points

  • Solid build quality
  • Smooth, comfortableride
  • Quick acceleration

Weak Points

  • Hydrogen fuelingstations are few and hardto find
  • Snug interior, limitedcargo capacity

Vehicle Specifications

Model year tested: 2021
Number of passengers (F/R): 2/3
Curb weight (lbs): 4335.0
Exterior L / W / H (in): 195.8 / 74.2 / 57.9
Wheelbase (in): 114.9
Number of air bags: 9
Warranty (months/miles): 36/36,000
Tire manufacturer and model: Dunlop SP Sport Maxx A2
Front and rear tire size: 235/55 R19
Max towing capacity (lbs): Not recommended
Headlight type: LED
Transmission type: Auto 1-speed
Drivetrain type: Rear wheel
Engine/motor: AC synchronous motor
Electric motor horsepower: 182

Test Data

Test Vehicle Scores

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Fuel Efficiency:


EPA Emissions Score:








Ride Quality:


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