The 3.9L V6 engine, designated by the 8th digit VIN X, is a solid used engine choice for standard performance applications. Built to deliver steady power, its naturally aspirated design means fewer components to maintain, contributing to longevity. The sequential fuel injection system is engineered for efficient fuel delivery, enhancing both economy and performance. Its straightforward V6 cylinder layout promotes reliability, and the single overhead camshaft (SOHC) design allows for smooth operation, making it a low-maintenance option for drivers seeking a dependable used engine for everyday use.