This specific engine, gearbox and all-wheel-drive set-up appeared in the M5 first, but has now spread to the BMW M8 and X5M/X6M twins. Many of the Competition’s upgrades have been concentrated ...

If you stopped counting right there, little would separate the 2021 BMW M5 Competition and Porsche Panamera GTS. Both of these big sedans are capable of frankly indecent amounts of speed ...