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NordicTrack T 6.5 Si VS ProForm Boston Marathon 4.0

Not sure which Treadmill is better? Compare NordicTrack T 6.5 Si VS ProForm Boston Marathon 4.0and 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​

NordicTrack T 6.5 SiProForm Boston Marathon 4.0
Motor Size2.6 CHP4.25CHP
Running Area20” W x 55” L20” x 62”
Weight Capacity300 lbs400 lbs
FoldingYesNo
Footprint In Use (W,L,H)36” x 67.5” x 73”37" x 64" x 74"
Footprint Folded (W,L,H)N/A
Incline Range 0% to 10%-6% to 20%
Max Speed10 MPH15 MPH
Treadmill Best For Walking, Light JoggingJoggers, Runners
Electrical Requirements 120V120V
Display 10” touchscreen10” touchscreen
PreInstalled Workout Apps 20Marathon training programs
Speakers YesYes
Fans NoYes
Heart Rate Monitoring EKG Grip PulseWireless chest strap
USB port NoNo
Audio Jack YesYes
Water bottle cubbies YesNo
Device holder YesNo
Warranties Lifetime frame and motor, 1-year parts and laborLifetime for frame, deck, and motor, 6 years on parts and electronics, 3 years on labor
Belt Commercial Tread Belt2-ply commercial belt
Roller Size 1.9” Non-Flex rollers2.5” front and back
Cushioning FlexSelect cushioningRunners Flex™ Impact Control
Customer Support Email, live chat, phoneAs this treadmill is discontinued, the customer service is not through ProForm. Support will depend on the third-party company you purchase from
Return Policy 30-day trialDepending on where you purchase this discontinues treadmill, you will be subject to their return policy

Review videos

Overview and Specs

Which is better? Comparison of NordicTrack T 6.5 Si VS ProForm Boston Marathon 4.0 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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