ProForm Performance 400i Treadmill Review

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Part Number




Lifetime frame motor Warranty 25 year motor parts & Labor Warranty 1 year parts & Labor

Release Date



One Size

Last updated on October 3, 2023 5:13 am
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ProForm Performance 400i Treadmill Overview

ProForm Performance 400i is a treadmill machine that can keep you in shape and moving on a daily basis without hurting your pocket with more expensive home workout equipment. The Performance 400i is best for light impact workouts such as walking or jogging. It’s definitely going to keep you motivated with its built-in workout programs and on-demand trainer-led videos via the iFit Coach app designed by professional trainers.


  • Product Name: Smart Performance 400i
  • Brand: ProForm
  • Motor: 2 HP
  • Incline: 0-10%
  • Running Area: 18″ x 50″
  • Folding: Yes
  • Top Speed: 10 MPH
  • Built-In Programs: 50
  • Weight: 203lbs.
  • Max User Weight: 300 lbs.
  • Dimensions:
    • Length: 73.25”
    • Width: 35.5”
    • Height: 59.75”
  • Warranty:
    • Lifetime frame warranty
    • 25 years motor warranty
    • 1-year warranty on parts and labor

ProForm Performance 400i Treadmill Features

What Do We Like About The ProForm Performance 400i?

Motor Power

The Performance 400i has a 2.0 CHP motor power which is enough to support light workouts such as walking and jogging. With digital QuickSpeed control, you can change your speed at any time without breaking your stride.

Running Path

This machine is designed for walking with a running track measurement of 18″ wide by 50″ long. It’s ideal for shorter strides and not suitable for someone who is extra tall. It features a ProShox cushioning technology that protects your joints from impact.

Speed & Incline

The maximum speed is 10MPH that is ideal to keep up with your cardio training. And with the incline level up to 10%, you can focus on specific muscle groups to improve. This is a perfect combination to increase the intensity of your workouts with minimal joint impacts.


The 7” Smart HD touchscreen enhances your workout by swiping through the monitor to navigate your game. Walk or hike wherever you virtually wish via the iFit app. You also have access to a good variety of high definition workout sessions developed by top professional trainers. iFit subscription will be free for a year when you purchase this unit.

50 Built-in Workout Programs

You are not limited to iFit workout programs when your subscription ends, you can always access 50 workout programs built-in this treadmill machine at any time you wish. They’re there to keep you training for as much as you want.

Folding Design

The 400i is considered as one of the best residential treadmill machines. It features a space-saving technology that allows you to easily store the machine every after usage. It is easy to fold up and won’t need too much space. When folded, it only measures 39″ long and can fit in tight spaces.

Other Features

  • Heart rate monitor – pulse sensors on the front cross bar.
  • Device holder to keep your tablet or smartphone in place while working out.
  • Audio auxiliary port and dual 2″ speakers for your musical entertainment.

The Least We Like

  • No fan
  • Short stride
  • No wireless heart rate monitor
  • Not recommended for runners looking for heavy-duty workouts

Our Final Thoughts on ProForm Performance 400i Treadmill

Regardless of its few fallbacks, it’s still a great machine for home use and light workouts. We can consider it a great value for your money as it offers great features. But we need to make it clear, this treadmill machine is only recommended to those who are not looking into intense running.

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ProForm Performance 400i Treadmill Review
ProForm Performance 400i Treadmill Review
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