The 3.5L VIN Z 2GRFKS engine is a highly efficient used engine, designed with a naturally aspirated setup that optimizes fuel usage. This engine features both direct and port fuel injection, enhancing combustion control and efficiency. The V6 configuration provides a balanced power output, suitable for a range of driving conditions. The DOHC design with dual variable valve timing (VVT) further optimizes fuel efficiency, making this engine a practical choice for those prioritizing performance and fuel economy in a used engine.