NordicTrack X16 vs Sole TT8

Each cell is that model’s published text. A blank in the source stays “Not published by manufacturer.”

Spec	NordicTrack X16	Sole TT8
Running surface	22 × 60 in belt (55 × 152 cm) Source	22" × 60" running surface. Deck 25 mm (0.98 inch), described as waxed, no lubrication, reversible. Belt 2-ply, 1.6 mm. Source
Motor	4.25 CHP Source	4.0 HP Source
Maximum user weight	400 lb (182 kg) Source	400 lb Source
Unfolded dimensions	69.9" L × 38.1" W × 73.3" H (177.5 × 96.77 × 186.2 cm) Source	81" × 38" × 66" Source
Folded dimensions	Does not fold. The spec strip lists Foldable: No. Source	Not published by manufacturer Source
Step-up height	13.66 inches (34.70 cm) Source	Not published by manufacturer Source
Power	Not published by manufacturer Source	Not published by manufacturer Source
Incline	−6% to 40% Source	−6 to 15 levels Source
Speed	0–12 MPH (0–19 KPH) Source	0.5–12 mph Source
Machine weight	Not published by manufacturer Source	319 lb unit weight Source