If you drive a 2025 Lexus RX350, you’ve probably noticed it… That slight delay when you press the throttle and that “heavy” feeling off the line. For a luxury SUV, it should feel sharper. Good news—it’s not a lack of power, just conservative factory tuning. ⚠️ Why It Feels Slow From factory, the RX350 is tuned for comfort, which means: Soft throttle response Delayed torque delivery Sluggish take-off in daily driving The power is there—it’s just not delivered when you need it.