Xterra Trail Racer 6.6 Treadmill Review

      ( 3.53 / 5.00 )

$999 See offer

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  • Pros(5)
  • Cons (1)
  • Specifications
  • User Reviews


Strong 3.0HP motor with a lifetime warranty

When many other treadmills priced less than $1000 banner motors rated 2.5HP or even less, you’ll appreciate the Xterra 6.6’s 3.0HP engine. Of course, bigger motors are more powerful and more durable but best of all, this model’s main drive system is backed by Xterra’s lifetime warranty. Paired with a spacious 20” x 60” belt, we don’t see any problems with this 3.0HP motor.

Adjustable cushioning

The Trail Racer 6.6’s belt comes with adjustable cushioning so you can set which part of the running belt absorbs your stride’s impact. Majority of treadmills have cushioning but only a few offer this adjustable feature and this model is among them.

60-day money back guarantee

$950 is not a small amount of money so it’s just but right that you get your money’s worth. We’re not saying you won’t like the Trail Racer 6.6 but we’re emphasizing on Xterra’s 60-day money back guarantee. It just shows the company’s confidence but more importantly, you have a longer period to try and test this machine after your purchase and in any event you feel you’re not happy with it, you get to have your money back when you return this treadmill within 60 days. By the way, 60 days is among the longest money back return period in the treadmill industry today.

Fans and MP3 player support

The Trail Racer 6.6’s console has a built-in sound system for you to connect your MP3 players and do away with those dangling earphone wires that can distract you during workouts. You also have a cooling fan feature that can help when you’re feeling sweaty and hot during intensive workouts.

Wireless heart rate monitor included

Even though wireless heart rate monitors are valued for just around $50, it’s not common for sub-$1000 treadmills to include this add-on. They say wireless chest straps are more reliable in terms of getting your heart rate since you continuously see the feedbacks in real time unlike those metallic straps that sometimes give false readings when you touch them.


Limited programs – 9 only

In terms of programs, the Xterra 6.6 still fell a little short. 9 presets are on the low end and it’s really disappointing to see a $950 machine offering limited number of pre-programmed workouts. The more presets you have, the more variety and choices you have in reaching your fitness goals.


Category Value
Max Speed 12 MPH
Max Incline 15 %
Max Horsepower 3.0 HP
Belt Width 20 "
Belt Length 60 "
Number Of Programs 9
Heart Rate Monitor Grip and Wireless
Unit Weight 265 lbs
Weight Capacity 350 lbs
Parts Warranty 2 Years
Labor Warranty 1 Year
Frame Warranty Lifetime
Money Back Guarantee 60 Days
Belts And Cushioning XTRA Soft adjustable cushioning, 2-ply Duraweave walking belt
Console Large 7.5\\\\\\\" blue backlit display


Overall Score 71%
Components Score 70%
Features Score 84%
Reliability Score 58%


  • 7" or Larger Console
  • Adjustable Cushioning
  • Air Fans
  • Arm Rail Controls
  • Fitness Improvement Programs
  • Foldable
  • HR Monitor (Grip)
  • HR Monitor (Wireless)
  • Money Back Guarantee (More than 30 Days)
  • MP3/Audio Support
  • Multi-Ply Belt
  • Quick Speed and/or Incline Buttons
  • Shock Absorption
  • User Profiles
  • Water Bottle Holder