NordicTrack T 6.5 Si Treadmill vs WalkingPad X21
Verdict: The NordicTrack T 6.5 Si delivers a 2.5 CHP motor (per Consumer Reports) and 12 mph top speed, outperforming the WalkingPad X21’s 1.0 CHP motor (per WalkingPad) and 3.7 mph limit. However, the X21’s fold‑up chassis (per CNET) and sub‑55 dB noise level make it far more suitable for tight apartments. For serious runners, the NordicTrack’s incline range and larger belt provide a clear advantage, while casual walkers will appreciate the X21’s portability and lower power draw.
Winner: NordicTrack T 6.5 Si Treadmill
NordicTrack T 6.5 Si Treadmill: 8.2/10
WalkingPad X21: 6.5/10
Spec-by-spec comparison
| NordicTrack T 6.5 Si Treadmill | WalkingPad X21 | |
|---|---|---|
| Motor | 2.5 CHP (per Consumer Reports) | 1.0 CHP (per WalkingPad) |
| Belt Size | 20" x 55" (per NordicTrack) | 16" x 47" (per WalkingPad) |
| Max Speed | 12 mph (per NordicTrack) | 6 km/h (3.7 mph) (per WalkingPad) |
| Incline Range | -3% to 10% (per NordicTrack) | — |
| Weight Capacity | — | 220 lb (per WalkingPad) |
NordicTrack T 6.5 Si Treadmill
What works
- Powerful 2.5 CHP motor
- Incline up to 10% for varied workouts
- Large 20" x 55" running surface
What doesn't
- Heavy and non‑foldable (weighs 210 lb)
WalkingPad X21
What works
- Quiet motor under 55 dB (per CNET)
What doesn't
- Limited max speed for jogging
Bottom line
Our pick: NordicTrack T 6.5 Si Treadmill.
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