NordicTrack S22i (Credit: Angela Moscaritolo ... The Echelon EX5S has 32 levels of magnetic resistance, while the Peloton Bike lets you more finely tune the resistance from zero to 100.

To take advantage of everything the NordicTrack S22i has to offer, you'll need an iFit membership, which will run you about $396 per year in addition to the cost of the bike. The Peloton bike is ...