The 2.5L five-cylinder in the 8V RS3 is the last of a dying breed — and the used market is finally starting to reflect that. Audi built something genuinely special here. A compact sedan with a motor that sounds like a Group B rally car, puts down 400whp on a conservative tune, and still handles Canadian winters without blinking. There's nothing else in the segment that checks all three boxes simultaneously. Here's what we broke down: → That five-cylinder warble isn't just hype — it's the reason people cross-shop these against cars twice the price → The EA855 platform responds to bolt-ons like nothing else in the class. Stage 2 numbers embarrass factory supercars → Quattro AWD + a real back seat means this is the performance car you don't have to justify to anyone → What to actually budget for maintenance and mods so there are no surprises → What to look for when you're hunting for a clean example right now The 8V generation is the sweet spot — depreciation has done its thing but val...