Sole F80 or Lifespan TR4000i

Sole F80 or Lifespan TR4000i? Find the Best Treadmill for You!

Are you looking for a new treadmill to help you reach your fitness goals? If so, the Sole F80 and Lifespan TR4000i are two popular options. Both treadmills offer great features, such as advanced motors and incline capabilities but differ in ample ways. In this content, you will get a detailed comparison to decide on the better of the two depending on your needs. A Sole F80 or Lifespan TR4000i are robust treadmills suitable for medium-distance runners.

Comparison Table – Sole F80 or LifeSpan TR4000i

We have created a complete table of differences between the two for your convenience.

SpecificationsSole F80LifeSpan TR4000i
PriceNearly $1,799.99Nearly $1,999Their price varies depending on where you buy from, seasonal discounts etc.
Dimension82.5L x 37W x 66H 74.25L x 33W x 55HTR4000i is much more compact, though, with zero difference in track length.
Challenging SpeedStarting speed of 0.5 mph to 12 mph12mphBoth speeds are the same.
Motor3.5 CHP3.25 CHPF80 has a bigger motor which benefits the overall output, especially if you are a long-distance runner.
Running Surface22” x 60”22” x 60”Both are wide, safe and comfortable.
Incline Levels0-15 levels0-13 levelsF80 has better incline levels
Decline LevelsNo levels of Decline2 LevelsTR4000i is more beneficial for the lower body due to the decline function.
Cooling Fans2 Fans1 FanThough F80 has 2 fans, TR4000i’s single fan is quite effective.
Heart Rate MonitorChest strap heart rate sensors & EKG handrail sensors too. Contact heart rate sensorsF80’s Chest strap heart rate sensors are much more accurate.
Touch Screen10.1” LCD screen is a white, touch screen.7” LCD is a full-color touchscreenF80 has white but is bigger, and TR4000i has a full-color screen.
Weight of an item274lbs239.5lbsF80 is heavier, so more robust and sturdy.
Weight carrying capacity350lbs350lbsNo Difference
DeckThe Cushion Flex Whisper Deck lowers impact by 40%.The sturdy 1” deck and 8 compression shocks reduce noise and absorb foot strikes.We felt TR4000i cushioning to be better.
Workout Programs10 workout programs50 built-in workout programs
WarrantyFrame, Motor & Deck – Lifetime
Electronics and parts – 5 year
Labor – 2 year
Frame – 10 Year
Parts – 2 year
Labor – 1 Year
F80 has a better warranty, of course.
Specifications & features are subject to change without prior notice.

Sole F80 vs Lifespan TR4000i Treadmill

Both treadmills have their unique features. Hence there is a dissimilarity between the two in terms of their specifications.

Before purchasing these two treadmills, consider how often and fast you will use them, along with programming or monitoring tools to enhance your fitness experience. Each model provides quality performance at a reasonable price.

Both machines’ prices may differ depending on where they’re purchased.

Both come with built-in programs & tracking capabilities with some differences. For example, the Lifespan TR 4000i allows users to access the primary data of their workouts, whereas Sole F80 gives them much more detailed information, including burned calories per minute. 

Both have similar weight carrying capacities. Both have four wheels that allow you to move the treadmill quickly. Both have Bluetooth to connect with your devices and in F80 with your chest strap. Both have deck cushioning, but with their individual technology

Speed or power is the first important factor in buying treadmills. Sole F80 has a larger motor, additional features (such as adjustable cushioning), and an impressive warranty coverage plan.

Pros and cons of Sole F80 and Lifespan TR4000i?

Both treadmills have their individual positive and negative parameters. Here we compare them on each parameter. Let us have a look at the pros and cons of each:

Lifespan TR4000i Folding Treadmill

This is a solid, robust, and secure treadmill that supports the requirements of serious runners. Its EZ fold comfortable deck has 8 compression shock absorbers to provide cushioning. This feature makes the treadmill safe for your knees, back and joints.

Furthermore, to help track the user’s workout, this treadmill automatically records the exercise data to a USB device. According to the users, here are some of the benefits and limitations of the treadmill.


  • The Center console folds down for better storage and convenient transport.
  • Thick running belt of 2.2mm to protect against vibration, noise and joint damage.
  • 17 preset workouts and 50 programs
  • Intuitive touch screen with three different display dashboards and user-friendly console buttons.
  • Customized tracks to adjust the speed and incline automatically.
  • The treadmill has 13 incline levels and 2 decline levels.
  • Easy to fold the central console flat to the deck surface for storage purposes.


  • Some side handles are difficult to hold onto
  • Some users claim that the Lifespan TR4000i treadmill step counter doesn’t sync data properly to apps
  • Some users say they receive static shocks while using the treadmill.

Sole F80 Treadmill

It is a folding frame-designed treadmill created in response to the hotel industry’s requirements. The system has 15 different incline settings and can run up to ten programs containing targeted cardio training and fat-burning programs.

The new version is more spacious and influential than the previous one. In addition, this has come with several new features and upgraded specifications. According to the user reviews, here are some of the merits and demerits of the treadmill.


  • Reasonably priced with excellent sturdiness
  • Built-in speakers to hook up any MP3 player.
  • Six pre-programmed workouts Manual, Hill, Fat Burn, Cardio, Strength, HIIT, 5K, 10K, Custom, HRC, and Fitness Test in Air Force, Navy or Marine Corps
  • Several integrated features include Tablet/Mobile holder., Built-in Speakers with integrated Bluetooth and Wi-Fi, a Screen mirror to operate the phone, a USB port


  • Low technology used for console and other recording activities
  • Short side rails used in the treadmill

All things and specifications considered, the Sole F80 was loved by customers more than the other. It is an excellent choice for hotels and big rooms, but for tiny houses and personal use lifespan TR4000i is a better option. Moreover, users get a better warranty period with Sole F80. Also, its heart rate monitor is accurate and more extensive, with a 10.1” display screen.

Moving on to the LifeSpan TR4000i Folding Treadmill, its folding ability can attract customers through hands-on testing of these Treadmill roundups, but this product needs to make for a better purchase.

However, the Sole F80 performed an excellent job compared to all other Treadmills on the market. As a result, its purchase rating is 9.4 out of 10, much better than the average rating of 8.0 for Treadmills in general.


Finally, both treadmills are comfortable, help reduce weight, and have many other benefits with few limitations. You can check the comparison table of both before buying one to meet your requirements.

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