Why are some F1 cars faster than others? Why do some upgrades work and some don't? Why don't F1 teams all just copy the fastest car? 

F1TV presenter and Drive to Survive star Will Buxton, and former Aston Martin Head of Race Strategy Bernie Collins join Katie and Christian to answer those questions in more in a quickfire Formula Why special all about F1 cars.

You'll hear what upgrading an F1 car has in common with online clothes shopping, why copying a successful car is like trying to cook without a recipe, and why F1 drivers get weighed after every single race.

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Why are pit stops so important? 

Why do F1 teams need simulators? with Aston Martin's Stoffel Vandoorne

Why is racing in the rain so difficult? with Mika Hakkinen + Haas race engineer Mark Slade

Why are street circuits the ultimate test? with Mika Hakkinen + Bernie Collins
Tyres, points + car set-up - Your Questions Answered

Why do F1 drivers need to be so fit? with Alexander Rossi + Vettel's former trainer
Why does the USA have 3 F1 races in 2023?

Why is F1 Sprint such a challenge? with Kevin Magnussen

Why don't you send us a question? Record or write them, then email to Why@F1.com

For in-depth interviews with F1's biggest stars, listen to F1 Beyond The Grid. For race previews and reviews, head over to F1 Nation.