Nautilus T616 vs T618

Every year, the Nautilus treadmills secures a good spot in treadmill reviews, they build solid treadmills that are practical and fun to use. The Nautilus T616 and T618 are similar looking treadmills that are hard to miss, but there are some differences. The T616 is still a better treadmill than the average, but the T618 treadmill has a more powerfull motor, higher weight capacity, better cushioning, handlebar buttons, and thicker 3-ply belt.

A few of the both models common features are: 26 workout programs, Bluetooth Connectivity, Explore the World App and other fitness App options which provide exposure to fun treadmill workouts, contact and telemetry enabled heart rate monitor.

Motor Power: The motor on the T618 is a 3.5 CHP motor, while the Nautilus T616 has a slightly smaller 3.0 CHP motor.
Maximum Speed: Both treadmills have a top speed of 12 MPH.
Running Area: Both the T616 and T618 have identical belt size: 20″ X 60″.

Nautilus T616

Nautilus T618

Image of Nautilus T616 treadmill Image of Nautilus T618 treadmill

Here we list all available specs side by side so you can see which one of these treadmills would be a suitable choice for you.

Nautilus T616 vs Nautilus T618 Specs Table

Max User Weight Capacity ?The maximum user weight that the treadmill can handle.
300 LBS
350 LBS
Motor Power ?How strong is the motor? We recommend at least a 2.25 HP motor for home use.
3.0 CHP
3.5 CHP
Maximum Speed ?Maximum speeds in miles per hour.
12 MPH 12 MPH
Incline
0-to-15% 0-to-15%
Decline
Folding
Running Area (Belt Size)
20″ X 60″ 20″ X 60″
Number of Programs
26 26
Heart Rate Monitor
Contact & Telemetry Enabled (bluetooth chest strap included) Contact & Telemetry Enabled (bluetooth chest strap included)
Wireless Heart Rate Monitor
Cooling Fan
Bluetooth
Display
2 DualTrack Blue Backlit LCD Displays Dual-Mode Blue Backlit LCD Display
Web Browser
Touchscreen
Audio
iFit Coach Compatible
Tablet holder
Warranty
See Link See Link
See Price at Amazon See Price at Amazon

Side by side comparison of Nautilus T616 and Nautilus T618 treadmills.

Display and User Interface Comparison

The Nautilus T616 has a 2 DualTrack Blue Backlit LCD Displays and the Nautilus T618 has a Dual-Mode Blue Backlit LCD Display. Consoles of Nautilus T616 and Nautilus T618.

Built in Programs

Both the T616 and T618 have 26 workout programs. Both treadmills are iFit Coach Compatible so you can get many different workout options.

Bottom Line

We gave the Nautilus T618 a rating of 95 over 100 while we gave 90 for the T616 because, the T618 has a more powerful motor, more user weight capacity, and a good price for the features you get.

Treadmills with Decline

If you want to simulate running or walking downhill then you need a treadmill with decline feature, unfortunately there are not many model with this feature.
Here we list the best treadmills with decline and also summarize most important features of each treadmill.

NordicTrack T Series 6.5S vs LifeSpan TR2000i

Here is our NordicTrack T Series 6.5S vs LifeSpan TR2000i guide, by our detailed spec table you will find out which one is better for you. Before going into more detail, here are some keypoints about these two treadmills.
Motor Power: The motor on the T Series 6.5S is a 2.6 CHP motor, while the LifeSpan TR2000i has a slightly smaller 2.5 HP motor.
Maximum Speed: The maximum speed of the TR2000i is 11 MPH, while the T Series 6.5S has a top speed of 10 MPH.
Running Area: The belt areas of the T Series 6.5S and TR2000i are 20″ X 55″ and 20″ X 56″.

NordicTrack T Series 6.5S

LifeSpan TR2000i

Image of NordicTrack T Series 6.5S treadmill Image of LifeSpan TR2000i treadmill

Here we list all available specs side by side so you can decide which one of these treadmills would be a suitable choice for you.

NordicTrack T Series 6.5S vs LifeSpan TR2000i Specs Table

Max User Weight Capacity ?The maximum user weight that the treadmill can handle.
300 LBS
300 LBS
Motor Power ?How strong is the motor? We recommend at least a 2.25 HP motor for home use.
2.6 CHP
2.5 HP
Maximum Speed ?Maximum speeds in miles per hour.
10 MPH 11 MPH
Incline
0-to-10% 0-to-15%
Decline
Folding
Running Area (Belt Size)
20″ X 55″ 20″ X 56″
Number of Programs
20 21
Heart Rate Monitor
EKG Grip Pulse Contact & Bluetooth Enabled (bluetooth chest strap not included)
Wireless Heart Rate Monitor
(Not included)
Cooling Fan
Bluetooth
Display
5″ LCD Monocolor 7″ Full-Color Touch-Screen Display
Web Browser
Touchscreen
Audio
iFit Coach Compatible
Tablet holder
Warranty
10-Year Frame 2-Year Parts 1-Year Labor Warranty See Link
See Price at Amazon See Price at Amazon

Side by side comparison of NordicTrack T Series 6.5S and LifeSpan TR2000i treadmills.

Display and User Interface Comparison

The NordicTrack T Series 6.5S has a 5″ LCD Monocolor and the LifeSpan TR2000i has a 7″ Full-Color Touch-Screen Display. Both the T Series 6.5S and the TR2000i have a touchscreen. We think the bigger screen size of the T Series 6.5S is a plus. Consoles of NordicTrack T Series Treadmill 6.5S and LifeSpan TR2000i.

Built in Programs

The TR2000i has 1 more programs, 21 vs 20. The NordicTrack T Series 6.5S is iFit Coach Compatible so you can get many more different workout options with this treadmill.

Bottom Line

We think the T Series 6.5S is a better treadmill for its price because it has more usable tech features, the TR2000i is also a great choice, its top speed is 11 mph, slightly faster than the T Series 6.5S and has a 1 inch longer running area.

3G Cardio 80i vs NordicTrack Commercial 1750

Here is our 3G Cardio 80i vs NordicTrack Commercial 1750 guide, by our detailed spec table you will find out which one is better for you. Before going into more detail, here are some keypoints about these two treadmills.
Motor Power: The motor on the Commercial 1750 is a 3.75 CHP motor, while the 3G Cardio 80i has a slightly smaller 3.0 HP motor.
Maximum Speed: The maximum speed of the Commercial 1750 is 12 MPH, while the 3G Cardio 80i has a top speed of 11 MPH.
Running Area: The belt areas of the 80i and Commercial 1750 are 18.5″ X 58″ and 22″ X 60″ so the NordicTrack 1750 is way better for running.

3G Cardio 80i

NordicTrack Commercial 1750

Image of 3G Cardio 80i treadmill Image of NordicTrack Commercial 1750 treadmill

Here we list all available specs side by side so you can see which one of these treadmills would be a suitable option for you.

3G Cardio 80i vs NordicTrack Commercial 1750 Specs Table

Max User Weight Capacity ?The maximum user weight that the treadmill can handle.
325 LBS
300 LBS
Motor Power ?How strong is the motor? We recommend at least a 2.25 HP motor for home use.
3.0 HP
3.75 CHP
Maximum Speed ?Maximum speeds in miles per hour.
11 MPH 12 MPH
Incline
0-to-15% 0-to-15%
Decline
Folding
Running Area (Belt Size)
18.5″ X 58″ 22″ X 60″
Number of Programs
8 38
Heart Rate Monitor
EKG Grip Pulse Sensor Bluetooth chest strap and EKG grip pulse
Wireless Heart Rate Monitor
Cooling Fan
Bluetooth
Display
Backlit LCD 10″ full color touch display
Web Browser
Touchscreen
Audio
iFit Coach Compatible
Tablet holder
Warranty
Lifetime frame and motor, 5-year parts, 1-Year labor Lifetime frame and motor 5-year parts and 2-Year labor warranty
See Price at Amazon See Price at Amazon

Side by side comparison of 3G Cardio 80i and NordicTrack Commercial 1750 treadmills.

Display and User Interface Comparison

The 3G Cardio 80i has a Backlit LCD and the NordicTrack Commercial 1750 has a 10″ full color touch display. The Commercial 1750 has a touchscreen which is great while the 80i has buttons for controlling the treadmill, so navigating this display is not as intuitive as the Commercial 1750. We think the bigger screen size of the Commercial 1750 is a plus. Consoles of 3G Cardio 80i and NordicTrack Commercial 1750.

Built in Programs

The Commercial 1750 has 30 more programs, 38 vs 8. The NordicTrack Commercial 1750 is iFit Coach Compatible so you can get many more different workout options with this treadmill.

Bottom Line

We gave a rating of 95 for both models. We think you get many good features for a reasonable price with both treadmills.

Proform Performance 1450 vs ProForm Carbon T7

In this review, we will be comparing the Performance 1450 and Carbon T7 from Proform. Before going into more detail, here are the most important things you need to know about these two treadmills.
Motor Power: The motor on the Performance 1450 is a 3.25 CHP motor, while the ProForm Carbon T7 has a slightly smaller 2.6 CHP motor.
Maximum Speed: Both treadmills can reach a maximum speed of 12 MPH.
Running Area: The belt areas of the Performance 1450 and Carbon T7 are 20″ X 60″ and 20″ X 55″.

Proform Performance 1450

Proform Carbon T7

Image of Proform Performance 1450 treadmill Image of ProForm Carbon T7 treadmill

Here we list all available specs side by side so you can see which one of these treadmills would be a suitable choice for you.

Proform Performance 1450 vs ProForm Carbon T7 Specs Table

Max User Weight Capacity ?The maximum user weight that the treadmill can handle.
350 LBS
300 LBS
Motor Power ?How strong is the motor? We recommend at least a 2.25 HP motor for home use.
3.25 CHP
2.6 CHP
Maximum Speed ?Maximum speeds in miles per hour.
12 MPH 12 MPH
Incline
0-to-15% 0-to-12%
Decline
Folding
Running Area (Belt Size)
20″ X 60″ 20″ X 55″
Number of Programs
26 30
Heart Rate Monitor
EKG Grip Pulse Sensor EKG Grip Pulse Sensor
Wireless Heart Rate Monitor
Cooling Fan
Bluetooth
Display
10″ Full-Color Touch Screen 7″ Smart HD Touchscreen
Web Browser
Touchscreen
Audio
iFit Coach Compatible
Tablet holder
Warranty
Lifetime frame and motor, 5-year parts, 2-Years labors warranty 10-years frame, 2-years motor, 2-year parts, 1-Year labor warranty
See Price at Amazon See Price at Amazon

Side by side comparison of Proform Performance 1450 and ProForm Carbon T7 treadmills.

Display and User Interface Comparison

The Proform Performance 1450 has a 10″ Full-Color Touch Screen and the ProForm Carbon T7 has a 7″ Smart HD Touchscreen. Both the Performance 1450 and the Carbon T7 have a touchscreen. We think the bigger screen size of the Performance 1450 is a plus. Consoles of Proform Performance 1450 and ProForm Carbon T7.

Built in Programs

The Carbon T7 has 4 more programs, 30 vs 26. Both treadmills are iFit Coach Compatible so you can get many different workout options.