For older generations (B8 and B9), owners frequently report issues such as carbon buildup on the intake valves due to the direct-injection system, water pump and thermostat housing leaks, and occasional PCV valve failures, though the latest 2026 "PPC" platform models aim to address these through updated engine architecture and thermal management.
Apakah masalah mekanikal yang paling kerap berlaku pada Audi S5?