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Head to head · Updated Oct 11, 2026

NordicTrack T 6.5 S vs ProForm Carbon TL

Same parent company, same iFIT platform, similar price range: the NordicTrack T 6.5 S and ProForm Carbon TL are the two folding running treadmills most shoppers end up choosing between.

NordicTrack T Series 6.5 S

NordicTrack

NordicTrack T Series 6.5 S

4.4 (29,795)7.8
Top speed
10 mph
Incline
10% auto
Belt
55×20 in
Max user
300 lb
$500–$800See today's price on Amazon
ProForm Carbon TL Treadmill

ProForm

ProForm Carbon TL Treadmill

4.4 (526)6.9
Top speed
10 mph
Incline
10% auto
Belt
55×18 in
Max user
300 lb
$500–$800See today's price on Amazon

Quick verdict

Which one should you buy?

Pick the NordicTrack if you want the wider 20 in belt and the longest owner track record; pick the ProForm if you'd rather save 37 lb and a little floor space for an 18 in belt.

Choose the NordicTrack T 6.5 S if…

You're a bigger runner who wants the widest belt and a machine with almost 30,000 ratings behind it.

Check price

Choose the ProForm Carbon TL if…

You want the same running core in a lighter frame that's easier to fold and move.

Check price

Editor scores

How they stack up

Motor & speedInclineBelt roomSturdinessEasy to storeFeaturesValue
  • NordicTrack T 6.5 S
  • ProForm Carbon TL

Key differences

By the numbers

  • NordicTrack T 6.5 S has the roomier belt: 55×20 in vs 55×18 in
  • NordicTrack T 6.5 S has the bigger motor rating (claimed): 2.8 HP vs 2.6 HP
  • ProForm Carbon TL is lighter to move: 166 lb vs 203 lb

Full specs

Spec by spec

SpecNordicTrack T 6.5 SProForm Carbon TL
Motor & speed
Motor (claimed)2.8 HP2.6 HP
Minimum speed0 mph0 mph
Top speed10 mph10 mph
Incline
Max incline10 %10 %
Motorized (auto) inclineYesYes
How the incline worksMotorized, 0–10%Motorized, 0–10%
Belt & capacity
Belt length55 in55 in
Belt width20 in18 in
Max user weight (claimed)300 lb300 lb
CushioningKeyFlex cushioningProShox cushioning
Size & storage
Footprint (L × W × H)73.5 × 36 × 54 in68.6 × 32.1 × 57 in
Folded / stored sizeFolds upright (about 38 in deep × 66 in tall), soft-drop assistFolds upright to 32.7 × 31.6 × 56.2 in, hydraulic assist
Machine weight203 lb166 lb
HandrailFull console with side railsFull console with side rails
AssemblyPartial assembly (two people recommended)Partial assembly (two people recommended)
Console & app
Display5 in LCD + device shelf5 in LCD + device shelf
AppiFIT (paid membership for guided/auto-adjust workouts); syncs Strava, Garmin, Apple HealthiFIT (paid membership for guided/auto-adjust workouts); Bluetooth & Wi-Fi
Built-in programs6—
Remote controlNoNo
Other
Warranty10-yr frame, 2-yr parts, 1-yr labor10-yr frame (see listing for parts/labor)
Editor scores (0–10)
Motor & speed87
Incline77
Belt room108
Sturdiness87
Easy to store56
Features76
Value87
Overall editor score7.86.9

“Best” marks the stronger value in each row. A dash means the value isn’t published. NordicTrack T 6.5 S wins 2 spec rows, ProForm Carbon TL wins 1. Scores follow our rating rules.

Pros & cons

What owners and specs say

NordicTrack T 6.5 S

  • Running-length 55 × 20 in belt
  • Motorized 0–10% incline
  • 10-year frame warranty
  • Huge, long-running review base
  • Best features need an iFIT membership
  • 203 lb — hard to move
  • Only 6 built-in programs

ProForm Carbon TL

  • Running-length 55 in belt
  • Motorized incline to 10%
  • Lighter than NordicTrack equivalents
  • 10-year frame warranty
  • iFIT membership for the best features
  • 18 in belt width
  • Some reports of slow support

Frequently asked questions

Do both need iFIT?

Both run manual workouts without it. Guided and auto-adjusting workouts need an iFIT membership on either.

Which is quieter?

Owners describe both as reasonably quiet; neither brand publishes a dB figure.