Pulse & Plate

Treadmill vs Exercise Bike

Two low-cost paths to home cardio. Which one you should buy comes down to your joints, your floor space and how you like to train.

By Stephen V.Last updated How we research

Both machines will carry your cardio, so this is not about which is “better” — it is about which fits your body and your room. If you can run without joint pain and want the most calorie burn per minute plus real running fitness, a treadmill like the Horizon T101is the straightforward choice. If your knees, hips or back protest at impact — or you want something quieter, more compact, and easy to use while you read or watch something — an exercise bike like the Schwinn IC4 is the smarter buy.

The honest tie-breakers are impact, noise and space. A treadmill is weight-bearing, which builds bone and running economy but pounds the joints and the floor above your neighbors. A bike is seated and non-impact, quieter, and it lets you train hard while distracted, which for a lot of people is the difference between a habit and a dust collector. Cost usually favors the bike too. Below, a plain verdict, a side-by-side matrix, and who should buy which.

How this is funded: we earn a commission if you buy through our links, at no extra cost to you. It never changes which product we recommend, and we’ll tell you when we’d skip one. Full disclosure.

FeatureTreadmillExercise bike
Impact on jointsHigher - weight-bearing impactLow - seated, non-impact
Calories burnedHigher for the same effortSolid, a bit lower per minute
Space / footprintLarge; folds to reclaim spaceCompact; some models stow
NoiseLouder - motor and footfallsQuiet - magnetic resistance
CostMotor and deck cost moreOften cheaper to buy and run
Best forRunners and walkersJoint-friendly, distracted cardio
Horizon Fitness T101 Treadmill

Treadmill

Horizon Fitness T101 Treadmill

Buy this if: You want to walk or run for weight-bearing fitness, you can tolerate impact, and you have the floor space (or a folding deck) for a larger machine.

Strengths

  • Weight-bearing exercise that builds running fitness and bone density
  • Highest calorie burn per minute for the same perceived effort
  • Powered incline adds intensity without going faster
  • Most natural transfer to real-world walking and running

Trade-offs

  • Hardest on knees, hips and ankles of the common cardio machines
  • Loudest option - motor plus footfalls carry through floors
  • Large footprint, even when the deck folds
  • A short 55-inch belt crowds taller runners at speed
$999.99 · View on Amazon

Price as of July 20, 2026. #ad How we’re funded

Schwinn IC4 Indoor Cycling Bike

Exercise bike

Schwinn IC4 Indoor Cycling Bike

Buy this if: You want low-impact cardio that is easy on the joints, quiet enough for an apartment, and comfortable to do while reading, working or watching a screen.

Strengths

  • Low-impact and seated, so it is gentle on joints
  • Quiet magnetic resistance suits apartments and shared walls
  • Compact footprint, and many models stow or fold
  • Easy to train hard while distracted, which builds consistency

Trade-offs

  • Slightly lower calorie burn per minute than running
  • Not weight-bearing, so less benefit for bone density
  • Upright saddles take some getting used to
  • App-agnostic bikes need your own tablet for classes
$899.99 · View on Amazon

Price as of July 20, 2026. #ad How we’re funded

How to decide between them

Work through three questions in order and the answer usually picks itself.

1. How are your joints?

This is the first filter. If running aggravates your knees, hips or back, the bike wins before you weigh anything else — low-impact cardio you do beats high-impact cardio you avoid. If you are pain-free and want the specific fitness of running, the treadmill earns its impact.

2. What does your space and building allow?

A treadmill is larger and louder; in an apartment with neighbors below, footfalls and motor hum are a real consideration. A bike is compact and quiet. If square footage is the binding constraint, our small-apartment equipment guide compares footprints across categories.

3. Do you need a subscription?

Neither machine requires one. The Horizon T101 runs with no membership, and the Schwinn IC4 pairs with Peloton, Zwift or free apps rather than locking you into a proprietary screen. Only pay for classes (iFIT, Peloton, Echelon) if follow-along coaching is genuinely what keeps you training. New to home cardio? Start with our beginner equipment guide.

Still open to a third option? A rower is full-body and low-impact too — see the best rowing machines. Or dig into the full lineups in our best treadmills and best exercise bikes roundups.

Frequently asked questions

Does a treadmill or exercise bike burn more calories?

For the same perceived effort, running on a treadmill usually burns a bit more than cycling because it is weight-bearing and uses more muscle. But the gap is small, and the machine you use consistently will always out-burn the one you avoid.

Which is better for bad knees?

The exercise bike. It is seated and non-impact, so it spares the knees, hips and ankles the pounding of running. A recumbent bike is gentler still. A treadmill can work for walking at an incline, but for sensitive joints the bike is the safer default.

Which is quieter for an apartment?

The exercise bike, by a wide margin. Magnetic bikes are nearly silent, while a treadmill combines motor noise with footfalls that carry through floors to neighbors below. If quiet matters, the bike is the apartment-friendly pick.

Can I do both without buying two machines?

Yes - a rowing machine is a low-impact, full-body option that trains legs, back and arms at once, giving you cardio variety in one purchase. If you only want one machine, pick by your joints and space first, then let a class subscription be a tie-breaker.

Sources

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