Having a hard time choosing between the ProForm 505 CST Treadmill and ProForm Performance 400i Treadmill and here’s everything you need to know.
The ProForm 505 CST Treadmill has a large LCD panel while the ProForm Performance 400i has LEDs as indicators.
The ProForm Performance 400i has more tech features to entertain yourself while you run.
Both treadmills lack built-in fans for running on hot days.
ProForm 505 CST Treadmill |
ProForm Performance 400i Treadmill |
![]() |
![]() |
Spec Comparison of ProForm 505 CST Treadmill and ProForm Performance 400i Treadmill
![]() |
![]() |
Our rating: ![]() |
Our rating: ![]() |
Type | |
Running | Running |
Motor Power ?How strong is the motor? We recommend at least a 2.25 HP motor for home use. | |
|
|
Speed Range ?Minimum and maximum speeds in miles per hour. | |
0 – 10 MPH | 0 – 10 MPH |
Maximum User Weight ?The maximum user weight that the treadmill can handle. | |
|
|
Belt Size ?This is the running area, most treadmills for home use have a 55″x20″ running surface. | |
20″ W x 55″ L | 20″ W x 55″ L |
Heart Rate Monitor ?You can track and record your heart rate, and some treadmills have heart rate programs which adjust workouts according to your heart rate. | |
Folding ?Folding makes storing and moving the treadmill easy. | |
Incline | |
Maximum Incline Angle ?Some treadmills can incline up to %15. | |
10% | 10% |
Features | |
|
|
Pros | |
|
|
Warranty | |
|
|
Unfolded Dimensions | |
70″ L x 34″ W x 59.5″ H | 73″ L x 36″ W x 60″ H |
Weight | |
|
|
Manufacturer URL | |
Link | Link |
![]() |
![]() |