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NordicTrack T 6.5 Si vs XTERRA Fitness TRX3500, Main differences

Two popular options that we should consider when we are looking for a treadmill for your home gym are NordicTrack T 6.5 Si and XTERRA Fitness TRX3500. Let’s see how do these models really measure up against each other?

NordicTrack T 6.5 Si

XTERRA Fitness TRX3500

NordicTrack T 6.5 Si treadmill XTERRA Fitness TRX3500 treadmill

NordicTrack T 6.5 Si vs XTERRA Fitness TRX3500 Specs Comparison

Pros
  • Motorized incline with a tilt up to 10% is great
  • The FlexSelect cushioning is great, it helps to protect your joints by absorbing impacts
  • The T 6.5 S is very easy to fold with EasyLift hydraulics
  • Connects to third party apps like Zwift, Kinomap, Tacx, and more
  • 350 lbs weight capacity
  • 20″x60″ deck, 3 HP stron motor
  • Good warranty
Cons
  • Tread belt is 55″ long, it would be nice if it was 60″
  • The 10 MPH top speed is not ideal for serious runners
  • Display is very basic
  • No decline
Brand NordicTrack XTERRA Fitness
Model T 6.5 Si TRX3500
Motor Power 2.6 HP 3 HP
Speed Range 0 – 10 MPH 0.5 – 12 MPH
Incline/Decline 10% incline with digital quick incline control 12 levels
Folding yes yes
Belt Size 20″ X 55″ 20″ X 60″
Weight Limit 300 lbs. 350 lbs.
Heart Rate Monitor Contact, Dual CardioGrip Heart Rate Monitor, Heart rate chest strap (not included) Integrated handlebar heartrate sensors
Built-in Programs 20 30 Preset, 2 Custom, 1 Heart Rate
Tablet/Device holder yes yes
Cooling Fan no yes
Display 10″ Smart HD Touchscreen 6.5″ Blue Backlit LCD display
Touchscreen yes no
Handlebar Buttons no yes
Audio yes yes
Bluetooth Audio yes yes
Training Apps iFit (30-day free membership included ) Connects to FTMS-enabled third party apps like Zwift, Kinomap, Tacx, and more
Rollers 1.9″ rollers No info
Dimensions 74L x 36W x 54H inches 77.2L x 35.5W x 56.1H inches
Warranty
  • 10-year on frame
  • 2-year on parts
  • 1-year labor
  • Lifetime Frame
  • Lifetime Motor
  • 2 Years Deck
  • 2 Years Parts
  • 1 Year In-Home Labor
See Price at Amazon See Price at Amazon
NordicTrack T 6.5 Si treadmill console XTERRA Fitness TRX3500 treadmill console
NordicTrack T 6.5 Si treadmill frame XTERRA Fitness TRX3500 treadmill frame

Side by side images of NordicTrack T 6.5 Si and XTERRA Fitness TRX3500 treadmills