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ProForm Performance 400i Treadmill Review

Last Updated on January 30, 2020 by Jeff

ProForm Performance 400i TreadmillLet’s Get Started:

ProForm has constructed another quality treadmill with the Performance 400i Treadmill. This top treadmill has a solid footprint and a large 2.5 CHP motor that provides consistent output and quiet operation. To back the construction, ProForm provides a lifetime frame warranty and a 25 year motor warranty. The treadmill allows you to adjust speed and intensity at the touch of a button up to 10 mph and 10% incline. These settings are sure to provide you the fat burning workout that you are looking for.

The console on the Performance 400i Treadmill is also well designed. It comes with 18 built-in programs specifically designed to burn fat and to improve cardiovascular fitness. If you want more variety, you can also connect to iFit with a paid subscription and have the world as your training platform with Google MapsTM. Finally, you won’t have to exercise without you own music since the Performance 400i Treadmill allows you to connect your iPod and play it through the machines built-in speakers. This treadmill has everything you’ll need for an enjoyable workout.

Click here to see the price of the ProForm Performance 400i Treadmill on Amazon.

Technical Info:ProForm-Treadmill-Performance-400-i


  • Length: 73.25”
  • Width: 35.5”
  • Height: 59.75”
  • Weight: 203 lbs
  • Running surface: 20”x55”
  • Max user weight: 300 lbs


  • 2.5 continuous horsepower Mach Z Motor creates high levels of inertia for a smooth, powerful feel and promises a quiet in-home experience.
  • Accommodates walking, jogging and running with speeds up to 10 mph. Adjust your speed at the touch of a button.
  • Quickly adjust your incline between 0 and 10% to target specific muscle groups and burn more calories.
  • One touch controls adjust your speed and incline in seconds at the touch of a button.
  • ProShox cushioning throughout the deck area so as you walk, jog or run, your joints will be thanking you.
  • Heart rate monitoring through dual handlebar grip sensors or with a compatible chest strap heart rate monitor (not included).
  • iPod compatible sound system allows you to plug into the console.
  • Integrated tablet holder allows you to enjoy your favorite shows, music and movies while you workout.
  • Innovative EasyLiftTM Assist telescoping shock helps you lift and fold the deck up and out of the way for convenient cleaning and storage.

Computer Features:ProForm-Treadmill-Performance-400i

  • Round watts LED display.
  • iFit enabled allows you to get a new workout every day, automatically track your progress, replicate real-life runs with Google MapsTM, compete with your friends and custom-tailor your training to your specific goals.
  • 18 built-in workout programs.
  • Display readouts include:
    • Incline
    • Heart Rate
    • Watts
    • Speed
    • Elapsed Time
    • Pace
    • Calories Burned
    • Distance


  • Frame: Lifetime
  • Motor: 25 year
  • Parts: 1 year
  • Labor: 1 year

Shipping and Assembly:ProForm-Performance-400-i-Treadmill

Shipping costs will vary for the ProForm Performance 400i Treadmill depending on where you purchase from and what type of delivery you prefer. However, some retailers, such as Amazon.com, will provide free shipping.

There are a lot of screws and bolts that need to be installed in the assembly of the ProForm Performance 400i Treadmill. For that reason, it’s going to take some time. ProForm provides an Allen wrench to help, but you’ll also need your own tools like a Phillips screwdriver and an adjustable wrench to complete the process. Once you have everything you need, completing the 17 steps in the assembly process should take you right around an hour.

What We Love About the ProForm Performance 400i Treadmill:

Console FeaturesPro-Form-Performance-400i-Treadmill

The console on the Performance 400i Treadmill is top notch. First, this treadmill will allow you to connect your iPod so that you can listen to your favorite music through the machine’s built-in speakers. This treadmill also has 18 built-in programs that are specifically designed to burn fat or to improve cardiovascular fitness. When selecting these programs, you don’t need to worry about setting speed and incline, the machine does it all for you. On top of these programs, ProForm also equips this treadmill with access to iFit which gives you even more exercise options through Google MapsTM. iFit also gives you the ability to track your exercise data to see your improvement over time.

Other Considerations:

iFit Problems

While we just explained that we love the console on the ProForm Performance 400i and the ability to use iFit. It appears that there may be some issues with iFit. Many users have had problems connecting to the program. Earlier problems from January 2016, which were verified by ProForm, were that the app had to yet been developed for Android and IOS users. Even now there still seem to be problems with the iFit capability on the ProForm Performance 400i Treadmill. If this is something that you are looking for, we’d recommend contacting ProForm prior to making your purchase to see if they are still having issues with the iFit deployment.

Final Word on the ProForm Performance 400i Treadmill:

The ProForm Performance 400i Treadmill is well built and is going to last you a long time. It has an excellent warranty to ensure a lifetime of use. This treadmill also has countless workout possibilities with its 18 preset programs and the ability to connect to iFit. Beware, however, that many users have had problems with the use of iFit so it’s something that you’re going to want to check out before you make the purchase. With the quality construction and advanced console, the Performance 400i Treadmill is in a class of its own.

Click here to see the price of the ProForm Performance 400i Treadmill on Amazon.