There has never been an open-top version of the Chiron, as there was with the Veyron. But we’re not sad, because rather than merely cutting a hole in the roof to make one, Bugatti has instead given us this: the W16 Mistral.

The jaw-dropping exterior is bespoke, just 99 will be made, and the price for admission is £5m. Production starts right about now, and every single one was sold out before it was revealed to the public back in 2022.

It’s also the last-ever road-going Bugatti to use a W16 engine, before we move on to the V16-powered Tourbillon. And in this case, the quad-turbo, 8.0-litre, W16 engine goes out on a high, in the same 1600hp guise as used in the record-breaking 304mph Chiron Super Sport 300+.

Speaking of which… when the roofless Veyron 16.4 Grand Sport Vitesse hit 254mph in 2013, it did it with a mere 1200hp. With over a decade of engineering advancements behind it, including an extra 400hp, how fast might the W16 Mistral go?

To find out, Top Gear joined Bugatti at the Papenburg proving ground in Germany, and snuck in a little go of our own. Over to Deputy Editor Ollie Kew…

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00:00 Intro
01:45 Top speed run
03:48 Chat with Andy Wallace
09:16 Chat with Mate Rimac
12:45 Conclusion

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