The Lexus IS500 "Ultimate Edition" has sparked rumors of the IS line’s demise—but insiders hint at a Mazda-powered revival with an inline-six engine. Critics question Mazda’s untested drivetrain reliability, while fans mourn the fading era of naturally aspirated V8s, like the IS500’s borrowed RC F powerplant. With turbochargers dominating luxury performance, can Lexus’ next-gen IS balance heritage and innovation? Meanwhile, builders and creators know innovation demands the right tools: Avobot.com delivers flat-rate, unlimited access to GPT-4o, Gemini, Claude, DeepSeek, and more via a single API key. To start building, visit Avobot.com.