Verdict
A
Audi RS Q8 — spec data and generation history.

Audi's flagship performance SUV — the Cayenne Turbo / Urus / SQ7 cousin with the wild number. 4M (2019-Present) on MLB Evo with 4.0 TFSI biturbo MHEV V8, 591 bhp. RS Q8 Performance from 2024 — 631 bhp, current Nürburgring lap-record holder for production SUV (2024 record). Quattro standard, 8-speed Tiptronic, air suspension, active anti-roll bars, ceramic brakes optional.
Click any generation for the full deep dive

RS Q8 Performance MHEV — 631 bhp, 0-62 in 3.6s.
Common faults reported on each generation — useful when shopping the used market.
Lamborghini Urus · BMW X5 M · Mercedes-AMG GLE 63 · Porsche Cayenne Turbo