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ProForm Boston Marathon 4.0 VS NordicTrack T 6.5 Si

Not sure which Treadmill is better? Compare ProForm Boston Marathon 4.0 VS NordicTrack T 6.5 Siand make the right choice. The table below compares the crucial specs of both models. Helpful video reviews are also provided. Once you made your choice, check the prices on Amazon!

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Appearance, Dimensions​ and Technical Details​

ProForm Boston Marathon 4.0NordicTrack T 6.5 Si
Motor Size4.25CHP2.6 CHP
Running Area20” x 62”20” W x 55” L
Weight Capacity400 lbs300 lbs
FoldingNoYes
Footprint In Use (W,L,H)37" x 64" x 74"36” x 67.5” x 73”
Footprint Folded (W,L,H)N/A0
Incline Range -6% to 20%0% to 10%
Max Speed15 MPH10 MPH
Treadmill Best For Joggers, RunnersWalking, Light Jogging
Electrical Requirements 120V120V
Display 10” touchscreen10” touchscreen
PreInstalled Workout Apps Marathon training programs20
Speakers YesYes
Fans YesNo
Heart Rate Monitoring Wireless chest strapEKG Grip Pulse
USB port NoNo
Audio Jack YesYes
Water bottle cubbies NoYes
Device holder NoYes
Warranties Lifetime for frame, deck, and motor, 6 years on parts and electronics, 3 years on laborLifetime frame and motor, 1-year parts and labor
Belt 2-ply commercial beltCommercial Tread Belt
Roller Size 2.5” front and back1.9” Non-Flex rollers
Cushioning Runners Flex™ Impact ControlFlexSelect cushioning
Customer Support As this treadmill is discontinued, the customer service is not through ProForm. Support will depend on the third-party company you purchase fromEmail, live chat, phone
Return Policy Depending on where you purchase this discontinues treadmill, you will be subject to their return policy30-day trial

Review videos

Overview and Specs

Which is better? Comparison of ProForm Boston Marathon 4.0 VS NordicTrack T 6.5 Si treadmills. Compare the characteristics of each product and make your choice. Below you can see the most important specifications that you should check before purchase.

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