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

RS-tier TT — the one with the famous 5-cylinder warble. Two generations in UK. 8J (2009–2014) — 2.5 TFSI 5-cyl turbo, 335 bhp, available with 6-speed manual. 8S (2016–2023) — 2.5 TFSI EVO 5-cyl, 394 bhp, S-Tronic only. 0-62 in 3.7s. Coupé and Roadster bodies. Discontinued 2023 — no direct successor; the RS Q3 carries the 5-cyl warble forward in SUV form.
Click any generation for the full deep dive

2.5 TFSI quattro — 335 bhp, 0-62 in 4.5s.

2.5 TFSI quattro — 394 bhp, 0-62 in 3.7s.
Common faults reported on each generation — useful when shopping the used market.
Audi TTS · Porsche 718 Cayman GTS · BMW M2 · Mercedes-AMG GT