YOU have an insanely high driving IQ if you can work out what's off in this mind-bending puzzle.
This optical illusion challenged you to put both your eyes and motor skills to the ultimate test.
Internet users have been scratching their heads trying to figure this illusion out.
It's just three seemingly different-sized cars driving up a hill, right?
Wrong.
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We're challenging you to spot just what's wrong here, by not letting your eyes trick you.
What we see in the image is a blurry motion photo of three cars either parked or driving on a road.
They are all the same model and colour, but don't let this distract you from the task at hand.
The puzzle only requires you to find one thing that's odd within the photo.
It may be trickier than it first seems.
If you stare at it too hard for too long, you might find your head starts to spin.
But don't let this deter you from giving our challenge your best shot.
Optical illusions are becoming a popular daily activity for those who are looking to test not just their brainpower, but their eyesight too.
So, have you spotted what's not quite right here?
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If you haven't quite figured it out yet, here's a hint.
Try and relax your eyes and focus on all three cars at once, instead of looking at them separately.
And if you're still struggling, don't fret as we have included the answer below.
It comes after another brainteaser was released, with drivers racking their brains to work out why a set of four identical cars looked completely different from one another.
Meanwhile, you have 20/20 vision if you can spot the snowmen in red scarves featured in one Christmas-themed puzzle.
If you've reached this point and are still trying to work out the car illusion, here's the answer.
While it looks as though the cars are ascending in size order, from smallest to largest, the cars are actually all exactly the same size.
Better luck next time!