Smart-Review is supported by our readers. When you buy through our links, we may earn a commission... Learn more

SmartReview.com Top Rated Products

NordicTrack T-Series (T6.5S Vs. T6.5Si) Treadmills 2022 | Comparison, Differences, Reviews

April 14, 2022 by  
Filed under Treadmills

NordicTrack T-Series T6.5Si Treadmill

NordicTrack T-Series T6.5Si Home Treadmill

NordicTrack T-Series 6.5S  Treadmill

NordicTrack T-Series
T6.5S Home Treadmill

NordicTrack (T6.5S Vs. T6.5Si) Treadmill Comparison: NordicTrack is a leader in both lower and higher end treadmills. The NordicTrack T-Series T6.5Si and T6.5S are both Home treadmill models. The T6.5Si is a cut above, but both of the treadmills are designed for home usage. Highly rated, they both are excellent treadmills, but the T6.5si has the advantage with a 10-inch touchscreen, while the T6.5S only has a monochrome screen.

Common to both models are built-in speakers, many built-in programs, iFit ready, and powered incline.


(Click for Larger Image)
NordicTrack commercial treadmills come with a 30 day iFit membership included. Run around the world.

iFit Enabled: Both models come with a 30 day iFit membership included, unlocking up to 16,000 more workout programs and features. iFit Coach provides interactive personal training. Live workouts designed by certified trainers.

iFit & Google Maps allows you run around the world. The warranty on these treadmills for home usage are 10 year frame & motor; parts – 2 years; labor – 1 year.


The main differences between the NordicTrack T-Series 6.5S Vs. 6.5Si are: The T6.5S model has a built-in 10-inch HD touchscreen (Vs.monochrome LCD on the 6.5S). To use iFit on the T6.5S you need a separate viewing device to connect with, such as a smartphone or tablet, while the T6.5si you can use its built-in 10-inch touchscreen. Both have built-in workout programs, and are also iFit compatible with a 30 day free membership for more workouts. All other specs of both of these models are nearly identical, including motor horsepower, speed, incline. Below is a comparison chart of the differences between the two NordicTrack T-Series treadmill models.


T-Series T6.5S Vs. the NordicTrack 6.5Si
* Home Treadmill
* 2.60 HP Motor
* 1.9-inch rollers
* 0-10 MPH
* 0-10% Incline
* 20 x 55″ Deck
* LCD Console
* 30 day iFit® Included
* 20 On-board Workouts
* Max Weight: 300 lbs.
* Runners FlexSelect™ Cushioning
* EasyLift™ Folding
* Built-in Speakers
* Water Bottle Holder
* 73.5″L x 36”W x 54″H
* 10 year frame warranty

NordicTrack T6.5S

Buy from Amazon.com
* Home Treadmill
* 2.60 HP Motor
* 1.9-inch rollers
* 0-10 MPH
* 0-10% Incline
* 20 x 55″ Deck
* 10-inch HD Touchscreen
* 30 day iFit® Included
* 20 On-board Workouts
* Max Weight: 300 lbs.
* Runners FlexSelect™ Cushioning
* EasyLift™ Folding
* Built-in Speakers
* Water Bottle Holder
* 73.5″L x 36″W x 54″H
* 10 year frame warranty

NordicTrack T6.5Si

Buy from Amazon.com


The NordicTrack T-Series 6.5S features a small monochrome screen with iFit and access to thousands of interactive workouts. Requires a smartphone or tablet to see the iFit workouts.


The NordicTrack 6.5 Si comes with a 10-inch color HD touchscreen to view iFit studio workouts and your progress.


NordicTrack T6.5S Vs. T6.5Si Console Comparison: The T6.5S has a 10-inch HD touchscreen built-in which is great for live classes and world scenary workouts with iFit. The T6.5S requires a smartphone or tablet to see the iFit lessons and uses a small screen for manual workouts. iFit features, including Google Maps, Interactive Training, and iFit Coach. Both have built-in onboard 20 workout programs which can be used without a subscription. The onboard programs will work even if you don’t activate iFit. Both have Manual controls for incline and speed and workout buttons. For safety, both have an emergency stop button, and cord.


Bottom Line: The NordicTrack T-Series T6.5Si has the 10-inch touchscreen, which is ready for iFit, the T6.5S requires a tablet or smartphone to see the iFit workouts, so if you already have a tablet this could be a lower priced option. Both motors are DurX™ Commercial Plus Motors, same as used on their commercial models. Both models have identical features such as 10mph speed, 10% incline, and 20×55-inch deck. The FlexSelect cushioning on both treadmills reduces the impact of running or walking. Either treadmill will provide a solid workout for all users, although taller users should consider a longer running track than these treadmills if running.


Top 4 Best Features of the NordicTrack T-Series T6.5S & T6.5Sl Treadmills

  1. * iFit, Coaching and Google Maps
  2. * Powered Incline
  3. * Speakers
  4. * Built-in Workout Programs

NordicTrack T6.5Si
T-Series
Home Treadmill
NordicTrack 1750
Commercial Treadmill
NordicTrack 6.5S
T-Series
Home Treadmill
NordicTrack 2450
Commercial Treadmill

Is this the best price?
SmartReview.com Product Rating
(Click for Reviews)

Home Model
2.60 HP Motor
0-10% incline
– – –
10-inch Touchscreen
30 day iFit Membership
20 Onboard Programs
20″ x 55″ Deck
300 lb. Max Weight
Bluetooth®

Is this the best price?
SmartReview.com Product Rating
(Click for Reviews)

Commercial Model
3.70 HP Motor
0-15% incline
-3% decline
10-inch Touchscreen
30 day iFit Membership
50 Onboard Programs
22″ x 60″ Deck
300 lb. Max Weight
Bluetooth®
Heart Telemetry

Is this the best price?
SmartReview.com Product Rating
(Click for Reviews)

Home Model
2.60 HP Motor
0-10% incline
– – –
LCD Console
30 day iFit Membership
20 Onboard Programs
20″ x 55″ Deck
300 lb. Max Weight
Bluetooth®

Is this the best price?
SmartReview.com Product Rating
(Click for Reviews)

Commercial Model
4.0 HP Motor
0-15% incline
-3% decline
14-inch Touchscreen
30 day iFit Membership
50 Onboard Programs
22″ x 60″ Deck
300 lb. Max Weight
Bluetooth®
Heart Telemetry


The NordicTrack Commercial Treadmill Series with iFit classes (Video)


Related Article: NordicTrack 1750 Vs. 2450 Commercial Treadmills | Comparison & Differences

Related Article: NordicTrack Commercial 1750 Vs. T-Series 6.5Si Treadmills | Comparison & Differences

Related Article: NordicTrack Commercial 2450 Vs. T-Series 9.5S Treadmills | Comparison & Differences

Related Article: NordicTrack 1750 Home Treadmill | Review

Related Article: NordicTrack 2450 Home Treadmill | Review

Related Article: NordicTrack 1750 Vs. 2950 Commercial Treadmills | Comparison & Differences

Related Article: NordicTrack 2450 Vs. 2950 Commercial Treadmills | Comparison

Related Article: NordicTrack S15i Vs. S22i Studio Cycling Bikes – Comparison and Differences

Related Article: Best Home Treadmills under $1000 – Comparison and Reviews

Related Article: Smart-Review | Treadmill Buying Guide