Audi S5 (B9)

65 sales analyzed · 3 topics from real Bring a Trailer & Cars & Bids comments.

The B9 S5 (US-market 2018-onward) moved to a 3.0L single-turbo V6 (EA839, ~349 hp) with an 8-speed automatic and quattro, offered as coupe, convertible, and the design-led Sportback — replacing the B8.5's supercharged V6 (and its manual option). Owners describe it as a do-everything car, and the Sportback in particular is credited with keeping the four-door relevant for Audi. …

“The Sportback design really extended the life of sedans for Audi.”CoopCity · Mar 11, 2025

A do-everything daily — and the Sportback that kept the sedan aliveownership-experience
Owners and sellers consistently frame the B9 S5 as a car that does everything well across coupe, convertible, and Sportback forms. The five-door Sportback gets specific praise for being the stylish body that kept Audi's sedan/liftback relevant as rivals abandoned the segment. …
The 3.0 turbo V6 (EA839) — ask about the rocker armsmechanical
The B9 uses the EA839 turbo V6, whose family had an early rocker-arm concern (the same issue discussed on the RS5 B9). The smart pre-purchase questions are about valvetrain work and any ticking/knocking/rough cold idle, plus routine PCV, water pump, and thermostat history. …
Buying recent: records, PPI, and accident/wheel checksbuying-advice
These are late-model cars, so get full dealer service records, a PPI focused on the valvetrain/PCV/cooling, and confirm the recall. Scrutinize minor repairs honestly disclosed by sellers (repainted bumpers, PDR dents, pothole-bent wheels that just need straightening), and verify equipment (CarPlay is standard via MMI Navigation Plus). …