The mastermind behind the McLaren F1 agrees there is no replacement for displacement.

Criticised by car enthusiasts but much needed to clean up our fragile world, emissions regulations are forcing automakers to downsize their engines and embrace electrification. The writing is on the wall for the internal combustion engine, and while the complete switch to EVs won't happen overnight, the big-displacement powertrains are on their deathbed.

It goes without saying the twelve-cylinder is the most vulnerable of them all (well, there's also the Bugatti Chiron's W16), and it's being gradually phased out. Mercedes will sell its largest engine only in the Maybach S-Class going forward while BMW will discontinue it after the current 7 Series (M760i), meaning you'll have to step up to a Rolls-Royce.

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