The Sole F85 Treadmill is the better choice for heavy-duty home use, with a more powerful motor and heavier-duty construction. However, the Nordictrack T 6.5 S 2025 Model is a more affordable option with a range of built-in workout programs and a compact design. According to a review by Treadmill Doctor, the Sole F85 has a 'commercial-grade' motor and a 'durable' construction (per Treadmill Doc...