ProForm Performance 400i Treadmill Review

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ProForm Performance 400i Treadmill Review

Performance 400i Treadmill is one of the best choices you could make in your fitness journey. Powered by a 2.5CHP motor, it is both strong and is quite enough to develop your body within your small household comfortably.

To make things even better, Proform has included a lifetime warranty over the frame and a long 25 years over the motor making it a compelling option among the plethora of other options available. It can hit a maximum speed of 10 mph and 10% incline with the help of instant buttons.

It can tailor the workouts the way your body wants them to be. The famous ProForm Treadmill has got an upgrade in 2021 from the already popular design. An addition of a 7″ HD screen has been made which makes it easier for your workouts with easy to use iFit integration onboard.

If you have been a fan of the popular ProFrom 505 CST then Performance 400i Treadmill is the next best thing ProForm offers in the fitness world. Read our ProForm Performance 400i Treadmill Review 2021 to know about this treadmill in detail.

Best Suited for Whom?

ProForm PFTL59515 Performance 400i Treadmill is an all-rounder among fitness machines. It can be the best bet for the walkers, seniors and the ones in rehab for its adaptive and comfortable nature because all they need is something to walk on.

This treadmill can serve the needs of almost all the fitness users but not with a hefty price tag as it is available for under $600. Multiple workout programs come installed with this treadmill. So, you can utilize the customized workout programs from the first day of purchase.

ProForm Performance 400i Treadmill Assembly, Design & Build Quality


ProForm SMART Performance 400i Treadmill comes with a lot of its parts already assembled so there won’t be much you need to get done to get the ProForm Performance 400i Treadmill assembly started. The belts, deck, rollers, incline, rollers will already be at their places near to the front part of the frame.

All you need to do is put the control masts and connect the cables. It might in all take around 40 mins to finish the assembly. Follow the manual and keep an adjustable wrench and screwdriver handy with you.

Design and Build Quality

The ProForm Performance 400i Treadmill is a compact machine with a footprint of 72.8” x 36” x 61” which can even be reduced with its space saver folding mechanism. So, when the workouts are done it can stay away from inside your cupboard or places where you can easily afford to lose.

This makes it the best treadmill or home use. The transport wheels are a blessing when you need to move this machine from one room to the other. And the jack is located right above the volume buttons. The tablet holder that you see on them can accommodate even the largest tablets with ease.

It also has a big running area of 55″ which is more than enough for most of the people to take normal strides at the same time it saves a lot of the extra required by the other treadmills. Taller might feel a bit limited with this.

ProForm Performance 400i Treadmill Features


ProForm Performance 400i Treadmill model has an average performing motor that has a power of 2.0 CHP Mach Z. It is strong enough to give out a smooth workout experience to a maximum weight of around 115 Kg.

The motor is covered by a warranty of over 25 years so you don’t have to be worried for over a quarter of a century. It has a speed range of 0 to 10 mph.

The motor driving mechanism is quite silent offering a comfortable riding experience. All you could hear is a thumping noise which cannot possibly create any kind of distraction.

Touchscreen control panel

A 7-inch touch screen control panel is used in Performance 400i Treadmill by ProForm for easy navigation over the control system. The control also contains quick incline adjustments settings. iFit integration can also be controlled right from here.

Other health statistics measured by the sensors will also get displayed in the same place. There are many virtual fitness guides available online with outdoor landscape simulations which makes the workouts even more interesting.

Incline and Decline

Addition of incline and decline facility makes the treadmills capable of high intensive training. Unlike increasing the speed this form of workout upgrade can simulate an outdoor hill climbing experience.  This must be used more by the people who focus on workouts for fat loss and calories burning.

The incline can be varied between 0 to 10 %. ProForm Performance 400i Treadmill has a motorized incline so you can only use the control unit to change the incline. The motor elevates the incline from the front.

Tablet holder

The treadmill comes with a Tablet holder that can very useful in distributing your workout timings to other things too. In addition to this, you also have a desk to keep your accessories like earplugs or keys.


Music can increase your workout productivity by many folds. There are two 2″ speakers on the sides to play the music out loud. You can load them with your custom made music list if you want.

Tread Belt

ProForm PFTL59515 Performance 400i Treadmill has a footprint of 55″L x 20″W (140 x 51 cm) making it easy to accommodate users with height up to 6’1″ – 6’2″. For people taller than this, longer strides will be difficult.

On/ off cushioning

Prolonged usage of treadmills or running outdoors for a longer period can affect your knee health. There is a high chance of damage that could be caused by constant running.

This damage can only be prevented by using a cushioning system that can absorb the impact. ProForm Performance 400i Treadmill also has a cushioning system for this purpose. The 2 ProShox cushioning cells take around 20% of the workout impact.

Heart rate monitoring

Heart rate monitoring can give a lot of insight into your health statistics. This treadmill has telemetry-enabled heart rate monitoring system.

It measures the heart rate from the hand grip which has EKG sensors built into them. If you wish you can use chest strap based monitors and Bluetooth monitors too with them

Weight and height capacity

Treadmill ProForm Performance 400i has a maximum weight capacity of 300 pounds accommodating almost all of the fitness users. And when it comes to height, ProForm Performance 400i Treadmill is a bit limited for longer strides.

ProForm Performance 400i Treadmill Workout Programs

There are a plethora of workout programs that will keep you engaged with your treadmills. There are around 22 workout programs built into it. They are aimed at calorie burning, intensity training, speed-oriented and so on.

Since you will be getting access to the iFit coaching you will have more access to premade workouts that you can utilize. You can also get access to on-demand workouts and workout videos that will give an interactive experience of running somewhere else in the world.

IFit does this by using Google maps and creating inclines that are similar to different terrains available around the world. Some people may not prefer to use the iFit feature they still have the 22 workouts that are available by default on the treadmill. They are also as challenging as the iFit workouts.

They are categorized based on their different workout intensity levels. If you are an expert in this field, then you can always go for the manual mode where everything you need can be customized the way you want them.

ProForm Performance 400i Treadmill Warranty

The warranty provided for ProForm PFTL59515 Performance 400i Treadmill is:

Frame: You get a Lifetime warranty on the frame.

Motor: Proform brings you 25 years of motor warranty

Parts and labor: You get 2-years parts & 1 year labor warranty You can gather more information by getting in touch with ProForm brand.

ProForm Performance 400i Treadmill Pros & Cons


  • Space saving design due to its folding feature
  • 22 workout programs
  • Proshox cushioning makes your workouts impactless
  • 1-year iFit subscription gets you access to the workouts designed by professionals
  • Comes with a tablet holder to place your tablets safely
  • Lifetime warranty on Frame


  • Lack of serious power
  • No wireless heart rate monitoring
  • No workout fans.


ProForm PFTL59515 Performance 400i Treadmill can be the best fitness companion for many users. They are not the highest end treadmills from Proform so there will be drawbacks. But for the price you pay (under $600), this will be the best thing you can get from them.

This treadmill will surely last you for the years to come and will keep you productive for all those years with their collection of 22 workout programs. Furthermore, it is counted amongst the best folding treadmills that save you space.

If what you need is a piece of budget equipment, then this is the best you can get. It has more than enough features for a beginner. So, go! Get one!