Kickr v6 vs Tacx Neo 3M

This is the flagship question that matters now. It used to be split three ways, because Wahoo's answer to the Neo 3M's movement was the Kickr Move — but Wahoo discontinued the Move in June 2026 according to its own product page, pointing buyers at the fixed-frame Kickr instead. That leaves the v6 as the Wahoo flagship you can still buy new, and it makes this the straight Wahoo-versus-Garmin comparison at the top of the market.

First, the thing that decides nothing

Power accuracy. Both manufacturers claim ±1%, and both trainers reach 2,200 W. Those are the two numbers people compare first and they are identical. Whatever you choose, your FTP, your interval targets and your race results will be the same, and a few watts of offset between two honest devices is normal rather than a fault — how accurate are smart trainers goes through why.

So ignore accuracy. The real differences are architectural, and there are three of them.

Difference one: how the inertia is made

The v6 is a conventional direct-drive trainer — a belt, an electromagnetic brake and a real 16 lb flywheel whose spinning mass carries you through the dead spot in your pedal stroke. It is the architecture almost every trainer uses, and Wahoo does it about as well as it is done.

The Neo 3M has no physical flywheel at all. A motor simulates 125 kg of virtual inertia, and because the resistance is motor-driven rather than brake-driven it can do two things a belt trainer physically cannot. It can drive the drivetrain on a descent, so a downhill pulls at your legs instead of fading to nothing. And it can simulate road surfaces — cobbles, gravel — as vibration through the pedals.

Whether that is worth the premium is a genuine preference rather than a specification argument. Riders who use Zwift for racing and structured work often find the surface effects a novelty they switch off. Riders who use it to ride long virtual routes find descent drive changes the experience of a whole course.

The architecture has two side effects worth more than the simulation to some buyers. The Neo is near-silent, with no belt whine and no flywheel rush, which makes it the only trainer here we would put in an upstairs room without caveats — see best quiet smart trainers and how to make a bike trainer quieter if noise is the constraint. And it runs without mains power for normal riding; only the downhill drive needs the cable, which no Kickr can claim.

Difference two: connectivity, where the money stops making sense

The Kickr v6 has onboard WiFi. The Tacx Neo 3M does not. On a trainer at the Neo's price, that is the hardest thing on this page to defend, because WiFi is not a luxury feature — it is the difference between a trainer that updates its own firmware and talks to the app directly, and one that needs a phone or laptop in the chain. Dropouts, stalled firmware updates and pairing hassle all live in that chain.

It is worse than a straight omission, because the much cheaper Kickr Core 2 has WiFi too. If you ride on an Apple TV, where the game accepts only two Bluetooth connections, the trainer taking one of them is a real cost — Zwift on Apple TV works through that budget sensor by sensor.

The v6 also calibrates itself, so there is no spindown to remember. How to calibrate a smart trainer covers what that routine is on trainers that still need it.

Difference three: movement

The Neo 3M has motion plates built in, giving 5 cm of fore-aft travel, and they can be locked out when you do not want them. That is a genuine comfort advantage on long rides, and it is integrated rather than bolted on.

The v6 answers with Axis feet, which flex a little and are not in the same category. If movement is the specific thing you want, be clear-eyed about the amount: 5 cm is modest next to a dedicated sliding trainer, and the trainer that offered more of it has been discontinued. Our Kickr Move vs Tacx Neo 3M page covers that comparison and its current status, and smart bike vs smart trainer is worth reading if movement and fit are your main drivers, because at Neo 3M money a smart bike is in range.

Who should buy which

Buy the v6 if your riding is training. Intervals, FTP work, Zwift racing, a structured plan. You get identical published power figures, better connectivity, automatic calibration and roughly half the outlay, and nothing in your training is worse for it.

Buy the Neo 3M if your riding is riding. Long virtual routes, descents you want to feel, surfaces you want to notice, and a room where silence is non-negotiable. The simulation is real and no Wahoo reproduces it.

Buy the Neo 3M if the room is the constraint. Near-silent running and mains-free operation for normal riding are properties nothing else here has, and in a flat or an upstairs room they can be worth more than the price difference.

Buy neither if you are not sure.The Core 2 has the same WiFi, ±2% and 1,800 W, and the difference in money buys a fan, a screen and a mat — the three things that actually determine whether you ride four times a week or once.