Remember when SUVs used to come with a warning sticker on the visor? Essentially saying, if you corner too hard - the car could topple over.

Rolling SUVs is pretty common, and manufacturers often have to put special consideration into the design in order to pass the various safety tests before being sold.

Not Tesla though, they created a car that is so roll-resistant that they couldn’t get it to stay upside down, even when they tried. Making it the first SUV to ever achieve a perfect score on this test!

So how did they do it? And what lengths did Tesla go to - to try to roll it!?

Now, there is plenty of aspects that are remarkable about this car. Firstly, it can beat most supercars to 60mph, has over 1000hp and has some of the coolest doors on the market.

But at the end of the day, it’s still a 2 and a half tonne SUV - and normally, that’s a perfect recipe for wallowy handling and a far greater risk of rolling than a normal car.

So how come it did so well at this test?

SUVs are generally safe, but have a high rollover probability. Tesla was able to overcome this obstacle with their Model X SUV. Here's how they did it.

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It’s clear Tesla cares a lot about the safety of its cars. When crash-tested by the U.S. traffic safety administration, the Tesla Model X was the first SUV ever to score 5 stars in every single category, not just the rollover tests, and there are a number of reasons for its impressive performance.

A lot of that is down to its electric drivetrain, rather than the combustion engine and drivetrain that is typically used.

Firstly, there is no bulky engine in the front of the car - so the crumple zone can be much larger.

Typically, engines have to be mounted high in SUVs to allow for good ground clearance below the sump, as well as having sufficient room for the 4 wheel drive system. This normally works with three differentials, one in the middle that is driven by the engine - then, one on each axle.

But this means that the driveshaft that powers the front wheels has to go under the engine which means that the engine has to be mounted even higher.

So essentially, all of the heavy mechanical bits have to be mounted high, making the centre of gravity high up.

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