Verdict
A
Alfa Romeo Giulia Quadrifoglio — spec data and generation history.

Giulia's halo M3 / C63 / RS4 fighter. Ferrari-derived 2.9 TT V6 (90-degree, F154 derived from F154CC) — 510 bhp launch. 2024 facelift bumped to 520 bhp. RWD only (no Q4 AWD on Quadrifoglio). 8AT (ZF). Carbon-fibre prop shaft, hood, roof options. Single generation, single body (saloon).
Click any generation for the full deep dive

2.9 TT V6 — 520 bhp, 0-62 in 3.9s.
Common faults reported on each generation — useful when shopping the used market.
BMW M3 · Mercedes-AMG C 63 · Audi RS4 · Cadillac CT4-V Blackwing