Weirdest concepts of the 2015 Tokyo motor show

Boxy cars are back in vogue, if the 2015 Tokyo Motor Show is any guide. But how many will actually make it to showrooms?

The rebirth of the Mazda RX-7 may have stolen the limelight at the 2015 Tokyo Motor Show, but as ever it was the weird on wheels that captured most attention.

Tokyo only gets to host a motor once every two years, so they really let their hair down.

Here are the whackiest cars from this year's Tokyo motoring expo.

But first, some details on the sexy new Mazda sports-car.

Mazda RX-Vision

Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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The hardcore rotary sport cars is on the comeback.

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Mazda RX-Vision rotary concept

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Get excited kids, there WILL be a modern version of the RX-7 after all. Mazda rarely unveils concept cars that don't eventually become a reality.

Mazda's unique rotary engine was thought to be a write-off due to strict emissions standards.

But the company has all but confirmed the rotary will be back.

The Mazda rotary engine will celebrate its 50th anniversary in 2017, the RX-7 will celebrate its 40th anniversary in 2018, and Mazda as a company will celebrate its 100th anniversary in 2020.

It could be any one of those dates, but we're guessing 2020 is a safer bet.

Mercedes-Benz Vision Tokyo

Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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Mercedes Vision Tokyo Concept

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This Benz blob is the German car maker's third demonstration of the same autonomous driving technology over the past two years.

In Frankfurt it was a sleek sedan, but Mercedes knows its market and it know the Japanese love box-shaped cars (boxes are the most efficient use of space and also maximise strict Japanese size restrictions).

So it created a box with rounded edges and a weird 3D virtual reality interior.

What we can really take from this all this hype is that the grille on future Mercedes cars will be a bit bigger and the instrument display a little higher, possibly above the steering wheel.

Suzuki Air Triser

Suzuki Air Triser concept

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Suzuki Air Triser concept

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Suzuki Air Triser concept

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No we don't know what the name means either, but this is Suzuki's crazy way of saying we are working on a new version of the Suzuki Carry delivery van.

What will make showrooms? Probably the shape of the headlights and window lines.

Nissan Teatro For Dayz

Nissan Teatro concept

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Nissan Teatro concept

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Nissan Teatro concept

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Yep, the only thing crazier than the box-shaped cars are their weird names.

This is Nissan's way of trying to interest the mobile phone generation who have shunned cars because they stay connected with friends online.

That's why this Nissan's entire dashboard is a mirror of your phone's touchscreen.

What does this mean? Future Nissans will probably have Apple CarPlay and Android-compatible radio displays.

Daihatsu Noriori

Another name presumably lost in translation, but this is a truly amazing concept that deals with the world's aging population.

It has complete wheelchair access, and the chair can be positioned alongside the driver.

The rear of the cabin can also lock in kid's prams.

Will it make production? Probably in Japan, but without its oversized headlights and cute looks.

Honda Wander Stand

This is when you know you're in Japan. It's a tiny city runabout for one or two people that can swivel on its own axis, to squeeze into the tiniest of spots.

It will never make production. But then again, people said the Segway stand-up scooter wouldn't work either.

Toyota SFR

Finally a Tokyo show car that might actually make it to showrooms. The Toyota SFR is a smaller version of Toyota's cut price coupe, the Toyota 86.

With a 1.5-litre engine which powers the rear wheels "for driving fun", it's already being dubbed a "Toyota 43" because it is half a Toyota 86.

See more from Tokyo at our motor show hub