New hydrogen fuel cell Toyota Mirai: range, dimensions and specifications

New Toyota Mirai will go on sale in early 2021, as a hydrogen fuel cell alternative to conventional battery-powered electric family cars

James Allen
Feb 11, 2021

The new Toyota Mirai may look like a typical four-door car on the outside, but it’s far different under the skin to almost every other family car on the market right now. It doesn’t have a petrol or diesel engine under the bonnet, and it isn’t fully-electric either. Instead, the Toyota Mirai is powered by a hydrogen fuel cell system.

Like an electric car, the Mirai doesn’t have a combustion engine. Instead, there’s a 174hp electric motor that drives the rear wheels, which means the Toyota doesn’t have any CO2 or NOx tailpipe emissions. In fact, the only by-product from the chemical reaction that takes place in the fuel cell - between the hydrogen from the fuel tanks and the air from outside - is water.

Though it typically takes from an hour to 10 hours or so to recharge a fully-electric car’s batteries - depending on the batteries' capacity and the speed of the charger - refuelling the Toyota takes about as long as it does to brim the tank in a petrol or diesel car. The Mirai’s claimed range of around 400 miles is better than practically all of the current batch of electric cars can manage, too - though do bear in mind that there are currently only a handful of hydrogen refuelling stations across the UK.

With prices expected to start around the £53,000 mark, the new Mirai is also on the pricey side. However, if you have the budget and local hydrogen filling infrastructure needed to own and run the Toyota Mirai, then it may be worth considering if you’re after a zero-emission alternative to a fossil fuel-powered family car.

Quick facts

  • Powered by hydrogen fuel cells
  • Claimed range of 400+ miles
  • 174hp and 0-62mph in 9.2 seconds
  • Now available in five-seat form
  • On sale in early 2021
  • Prices should start from £53,000

New Toyota Mirai range and performance

The Toyota Mirai is powered by a 174hp electric motor, which means the Mirai isn’t bristling with power for the size of car. It’s potent enough to allow a somewhat decent turn of speed, though, as Toyota quotes a respectable 0-62mph acceleration time of 9.2 seconds for the Mirai.

Where the Mirai gives up a bit of ground in terms of performance compared with similar price electric cars, it claws some back when it comes to driving range. An exact figure will be confirmed closer to launch, but Toyota expects the production-ready Mirai to be capable of a driving range in excess of 400 miles.

The UK’s limited hydrogen filling network will limit where and how far you’ll be able to go before the fuel tanks start running low, though. Consider how quickly the UK's electric car charging network has developed, however, and if hydrogen powered cars really take off, the charging situation could quickly change, with the possibility of filling stations quickly adding hydrogen pumps should demand rise dramatically over the next decade.

Though the first generation Toyota Mirai power its front wheels, the new one is rear-wheel drive - something that used to be a trait of more sporty cars. As is the case with the motor’s power output, this isn’t enough on its own to make the Mirai a sporty car, though Toyota says the Mirai should be more planted around corners and stable on the road in comparison with the previous version.

New Toyota Mirai dimensions and practicality

The original Toyota Mirai was already a pretty big car, and the latest version is even larger. At 4,975mm, it’s the longest Toyota you can get that isn’t a van or pick-up truck, and it’s even a few millimetres longer than the seven-seater Toyota Highlander SUV. That sheer size should mean there’s plenty of space inside for passengers - plus, whereas the original Mirai was only available with four seats, the new one is a five-seater car.

Toyota hasn’t quoted any luggage volumes yet, though the new Mirai’s 85mm extra length over its predecessor should mean the boot is a bit bigger than before. The previous version had 361 litres of luggage volume, which is similar to what you get from the far smaller VW Golf, so don't expect a massive load volume. It’s also unclear yet whether the new version will allow you to extend that load bay further by folding the rear seats down.

New Toyota Mirai specifications and in-car tech

Full technical specifications will be revealed closer to the car’s launch, but Toyota has revealed some of the features on the new Mirai. Replacing the original car’s 7.0-inch touchscreen media system is a much larger 12.3-inch unit, which you can also connect your smartphone to using Android Auto and Apple CarPlay.

Toyota has confirmed the new Mirai will also come with a park assist feature, which allows the car to autonomously drive itself into a parking spot. If the Toyota Mirai’s interior as shown in the official images is representative of the final car, expect other driver aids such as lane departure warning and adaptive cruise control to come as standard, too.

New Toyota Mirai prices and release date

The new Toyota Mirai should go on sale in the UK during early 2021. Prices haven’t been confirmed yet, though Toyota is hoping the new one will be approximately 20% more affordable than its predecessor - which suggests a base price of around £53,000.

As hydrogen fuel cell cars are still in their infancy - as was the case with electric cars barely a decade ago, you can expect prices of new hydrogen models to quickly drop in coming years as the technology becomes more established.


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