Proform 400 vs 600 Treadmill Comparison – Which is Best For You?
Trying to decide between the Proform Performance 400 treadmill

vs the Proform Performance 600 treadmill?

These are two of Proforms most popular starter treadmills. They’ve both been around for over 4 years now – with various updates throughout the years.
Coming in under $800, they’re both attractive for people looking for a strong, well-made treadmill without a lot of fancy bells and whistles.
But they also look very similar to each other.
So how are they different and which is best for you? This post will show you some of the main differences between them to help you decide.
Proform 400 vs 600 Treadmill – Price:
The Proform Performance 400 treadmill is slightly more affordable coming in around $200 less than the Proform 600 treadmill. You can get it for about $599 with Free Shipping here.
The Proform Performance 600 is the next model up. You can get it currrently for around$799 with Free Shipping here.
This leaves a lot of people wondering – what do you get for the extra $200 on the Proform 600 treadmill? Is it worth it? Let’s break it down:
Proform 400 vs 600 Treadmill – Consoles
The Proform 400 treadmill console – seen below – is a bit simpler with a smaller feedback window than the Proform 600:

Now here’s the Proform 600 Treadmill console:

As you can see, the Proform 600 console is a bit larger and easier to read with a more polished look and finish. It also has a built-in cooling fan that you don’t get on the Proform 400 treadmill.
Proform Performance 400 vs 600 Treadmill – Running Area
The Proform Performance 600 treadmill has a longer treadbelt than the Proform 400 treadmill – 60 inches long vs 55 inches.
The longer belt is great for taller users or runners who want to stretch out and run without feeling like they’re bumping up against the edge of the treadmill.
Most people will be fine with a 55 inch belt – but if you’re over 5 foot 9 and like to run, you may want to step up to the 60 inch belt just for the extra room.
Proform 400 vs 600 Treadmill – Motor Power
The Proform 600 also carries a slightly more powerful motor than the Proform 400 treadmill: 2.75 HP vs 2.5 HP. So it can hold up a bit better under longer or more intense use.
Proform Performance 400 vs 600 Treadmill – Speed Limit
The Proform 400 treadmill has a top speed of 10 MPH – which is pretty standard for a starter treadmill. However the Proform 600 gives you more with a top speed of 12 MPH.
Walkers may be fine with the Proform 400 and the 10 MPH. But if you want a bit more room to grow with the treadmill, you may prefer the higher speed limit of the Performance 600 treadmill.
Proform 400 vs 600 Treadmill – Incline Range
Incline helps you add in more challenge to your training and burn more calories. A lot of people like to interval train by adding in short bursts of high-incline walking to their workouts.
The Proform 400 has a top incline of 10 degrees – which again is pretty standard in this price range. The Proform 600 treadmill however goes one better with a higher top incline of up to 12 degrees.
For someone who is just new to exercising or doesn’t plan on interval walking frequently, they might be fine with the 10% incline.
However if you’re in fairly good shape already- or plan to use your treadmill more than 4 times a week, you’ll definitely appreciate the extra room to grow with the Proform Performance 600 model.
Proform 400 or 600 Treadmill – Built-in Workouts
Built-in workouts can add in some workout challenge to your routine. Most built-in workouts come with set goals like calorie-burning, time-goals or heart-rate goals. The Proform 400 comes with 18 built-in workouts, which is pretty decent. The Proform 600 treadmill gives you a few more – 22 workouts in all.
If you’re planning on adding iFit Coach to your treadmill (which gives you pretty much unlimited new workouts), this difference might not matter to you. But it’s worth knowing for many people.
So those are the main differences between the Proform Performance 400 vs 600 treadmills.
Bottom Line?
If you’re on a budget and want a strong, stable treadmill without paying for all the fluff, then you’ll appreciate both the Proform 400 and 600 treadmills.
The main difference is that the Proform 600 adds a higher incline, larger console, stronger motor, longer belt, higher speed limit and more workout programs.
So it’s basically a better choice if you’re going to be training more frequently (for example more than 4 times a week). It’s also better for people who tend to be fairly active already – since it gives you more room to grow with higher incline and speed limits.
The Proform 400 treadmill is a bit simpler – but it also comes in $200 less than the Proform 600 model. So if you’re just looking for a simple, affordable treadmill that you can use occasionally, it might be the better choice here.
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