Verdict
B
Audi RS Q3 — spec data and generation history.

Hot version of the Q3 with the famous five-cylinder warble. Mk1 (8U, 2013–2018) — 2.5 TFSI 5-cyl turbo, 335 bhp at end of life. Mk2 (F3, 2019-Present) — 2.5 TFSI EA855 EVO 5-cyl, 394 bhp. RS Q3 Sportback (coupé roof) added alongside SUV in 2019. 0-62 in 4.5s. Always quattro AWD via 7-speed S-Tronic DCT. The five-cylinder warble is the reason to buy this over an SQ2 / VW T-Roc R.
Click any generation for the full deep dive

2.5 TFSI quattro — 335 bhp, 0-62 in 4.4s.

2.5 TFSI quattro — 394 bhp, 0-62 in 4.5s.
Common faults reported on each generation — useful when shopping the used market.
Mercedes-AMG GLA 45 · BMW X2 M35i · Audi SQ2 · Cupra Formentor