Best Incline Treadmills in 2026

1. Check how the incline is listed

Manufacturers describe incline in different ways. Some list a number of levels, some list a percentage range, and some describe the range in words. All four machines here list an incline figure, but the formats differ, so read the spec sheet rather than assuming one format means the same as another. If you expect to walk at an incline most days, look for a listed range that comfortably covers the setting you plan to use.

2. Decide whether you want built-in coaching

The NordicTrack X24 and the ProForm Carbon Pro 9000 both list a library of 10,000+ iFIT workouts, and the X24 page notes that a paid iFIT Pro subscription and WiFi are required to access full content and features on the equipment. The SOLE F63 lists a free SOLE+ app with no monthly subscription. Horizon takes a different route, using Bluetooth to connect to fitness apps such as Peloton and Zwift. Choose the model that matches how you already train, then budget for any subscription separately from the machine price.

3. Measure the floor space, folded and unfolded

Each listing gives assembled dimensions, and it is worth checking the folded dimensions as well if the room is shared. The ProForm Carbon Pro 9000 lists an assembled footprint of 73.2" L x 34.6" W x 60.7" H and a folded footprint of 38.3" L x 34.6" W x 68.1" H, with an EasyLift design for folding and rolling away. The SOLE F63 uses kick-release folding with hydraulic assist. Whatever you choose, leave room to step on and off safely and follow the manual for placement.

4. Read the warranty line by line

Warranty wording varies between brands. Some plans cover the frame and motor for life and then set shorter terms for parts and labour, which is the pattern on the SOLE F63 and Horizon 7.0 AT listings. The ProForm Carbon Pro 9000 lists a 2-year motor warranty alongside a 10 year frame term, 2 year parts, 1 year tablet and 1 year labour and repairs, while the NordicTrack X24 lists a lifetime motor warranty. Note what is covered for how long before you buy, because parts and labour are the terms that tend to matter once the shorter coverage ends.

5. Look at the deck, belt and controls

Cushioning, deck thickness and belt type are comfort and durability details, not health features. The SOLE F63 lists a 3.0 HP motor, a 20" x 60" running surface and a cushioned deck with built-in cooling fans. The Horizon 7.0 AT lists 3-Zone Variable Response Cushioning with QuickDial speed and incline controls. The ProForm Carbon Pro 9000 lists ProShox cushioning and a 3.6 CHP motor. Hand-grip dial controls are worth having if you change incline often mid-session, and a USB port or tablet holder helps if you follow a session on a screen. Follow the manual for belt tension and lubrication, and keep the machine on a stable, level floor.

6. Match the machine to the way you train

If you want the machine to change incline and speed for you, look at the models with trainer-controlled settings. If you want a simple readout and your own plan, a white LED or LCD display is enough. If you split training between the treadmill and an app, check which apps the machine connects to before you buy, and check whether the content you want sits behind a subscription.

We shortlisted models that independent buying guides currently recommend, then compared them on what each manufacturer publishes on its own product page: the specs in the table, features, warranty and list price, checked on October 26, 2026. We have not tested these products for this guide, and brands cannot pay for placement. Read our review process and affiliate disclosure.