Verdict
B
BMW 4 Series — spec data and generation history.

BMW's mid-size coupé/convertible — split off from 3 Series in 2014. F32 (2014–2020), G22 (2020–Present). M4 covered separately.
Era-to-era deltas
Click any generation for the full deep dive

440i — 326 bhp, 0-62 in 5.0s.

M440i xDrive — 374 bhp, 0-62 in 4.5s.
Common faults reported on each generation — useful when shopping the used market.
Audi A5 · Mercedes C-Class Coupé · BMW M4 · BMW 3 Series