Cheap Treadmill With Incline When you are running or walking on a treadmill, having an incline feature gives variety and a boost to your workout. However, a quality adjustable incline model can be costly. Fortunately, there are low-cost treadmills that can be incline-able. These models have a range in speeds and incline adjustments, from 12mph up to 12 percent. 1. Schwinn Treadmill The Schwinn 870 treadmill is a great option for those who want to start running or just require an affordable, basic treadmill. Its main features are an extremely powerful motor (2.6 CHP, or continuous horsepower) and a wide range of training programs. It has a stylish design and a comfortable surface. It also comes with a media shelf, USB charging port and smartphone-compatible speakers. The treadmill's display offers an above-average amount of workout programs and data feedback. The 830 treadmill with incline of 12 has 12 data fields, including standard metrics such as distance, time, and calories burned.