Nautilus (U614 Vs. U618) Upright Exercise Bikes | Comparison & Differences | Reviews 2023

Nautilus U614 Vs. U618 Upright Exercise Bike Comparison: Nautilus is a leader in lower cost, high quality exercise bikes. The Nautilus U614 and U618 are some of the most popular and best selling exercise bikes on the market. Highly rated, they both are excellent exercise bikes for the home. The U618 is the top-of-the-line model and has many features that the U614 does not, and as you will see, offers more bang for the buck. Below is a comparison chart of the differences between the two models.

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Nautilus U614 vs.U618 Console Comparison: The Consoles are similar, but the U618 is backlit, making it easier to read. Both are dual displays, so when you use the tablet/book holder, you can still see the other display. The U618 uses a superior STN LCD technology on its displays which have wider viewing angles. The Console on the U618 can tilt. On the U618 you have 7 more workout programs, and the console can tilt for better viewing angle.

The Nautilus U618 bike has 5 more resistance levels than the U614. You can customize your user profile, the U614 allows 2 profiles, while the U618 allows 4 profiles. Bluetooth with APP for your tablet or smartphone, and Wireless heart telemetry are only available on the Nautilus U618 Bike.

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Bottom Line U614 Vs. U618: The Nautilus U618 upright exercise bike offers a wide array of improvements over the U614 model, including more resistance levels, programs, and user profiles, higher weight capacity, and a superior STN backlit screen. You also get Bluetooth on the U618 with an APP, and wireless telemetry for an optional heart strap. Ergonomically, the U618 model has a superior 3 piece crank system, giving better clearance when riding (the U614 has a 1 piece crank system).

The U618 model has a superior oversized Gel Seat with additional padding, and added forearm pads on the handlebars. The seat on the U618 adjust horizontally as well as vertically, the U614 can only move vertically. The U618 model comes with a longer 15 year frame warranty (vs. 10 on the U614). The U618 has a heavier sturdier frame with higher max user weight. We feel that the Nautilus U618 is far superior in features as well as some structural additions, and offers the best value for the money. Both models are highly rated and economically priced.

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