The Kia Stinger GT is one of the most overhyped used sports sedans on the market right now. I said what I said. Look, the Stinger was genuinely impressive when it launched — a rear-biased AWD sport sedan from Kia with a twin-turbo V6, penned by an ex-Audi designer. Cool story. But cool stories don't keep you out of the shop, and the used market is telling on these cars hard. Here's what we broke down in this one: → Why Stinger GTs are aging worse than the forums want to admit → The early reliability issues that stack up into real money → What makes a B9 Audi S4 the smarter play at the same price point → Where the S4 falls short too (we're not here to sell you fairy tales) → The final verdict and what to actually look for The B9 S4's 3.0T is one of the most underrated powertrains in the segment — proven platform, massive aftermarket support, and it holds together at higher miles in ways the Stinger's 3.3TT just hasn't proven yet. Plus, finding clean examples with proper service hist...