What to look for when buying a treadmill? Practical buying guide

A treadmill is a purchase for years to come. Make the right choice by matching your intended use with the most important specifications: speed, motor power, running surface dimensions, cushioning, incline, stability, and console functions. This buying guide provides concrete guidelines, useful comparisons, and a short checklist so you can quickly see which treadmill suits you best. For a complete overview of each component, read our How to choose a treadmill? Complete guide.

Choose by use: walking, jogging, or running

Start with your goal and frequency. Do you walk daily for 30 to 60 minutes, or do you want to run vigorously and do intervals 3 to 5 times a week? For walking, a treadmill with a lower top speed and a compact running surface is sufficient. If you want to take up little space or mainly walk while working from home, check out our walking pads. For varied home use, you need more speed, a longer and wider running surface, and adequate cushioning. For intensive running or longer intervals, choose a more powerful motor, generous dimensions, and stable construction.

Also pay attention to your body height and stride length. The taller you are and the faster you run, the more running surface you need to move naturally without "braking" your stride. If you are rehabilitating or primarily want joint-friendly training, soft cushioning and a reliable low speed are important. If you train specifically for performance, a higher top speed, automatic incline, and stable construction are essential.

Speed and motor power: how to determine the power you need

The required speed depends on your use. For walking, a top speed of 8 to 10 km/h is more than sufficient. For jogging and light running, choose 12 to 16 km/h. Ambitious runners and interval training require 18 to 20 km/h or more.

When it comes to motor power, look at continuous horsepower, not just peak horsepower. Continuous horsepower indicates what the motor can handle for an extended period. As a guideline:

• Walking and light jogging: at least 1.75 to 2.0 continuous HP
• Varied home use: 2.0 to 2.5 continuous HP
• Intensive running/interval: 2.5 to 3.5 continuous HP

Your body weight affects the load. If you weigh more, the motor needs extra reserve to maintain speed smoothly. Use 0.25 to 0.5 continuous HP extra if you are above average weight or often train at high speed and with an incline. A heavier motor runs more smoothly, is quieter at higher speeds, and generally lasts longer.

Additionally, check the drive system and motor cooling. A solid drive deck and well-lubricated running surface reduce friction, meaning the motor doesn't have to work as hard. You'll notice this in consistent pace, fewer shocks, and lower wear. To maximize lifespan, check out our tips for maintaining your treadmill.

Running surface and cushioning: comfortable and safe movement

The running surface affects comfort, safety, and running technique. The length determines your stride space, and the width provides stability and confidence.

• Walking: 120 to 130 cm long, 40 to 45 cm wide
• Jogging and all-round home use: 135 to 145 cm long, 45 to 48 cm wide
• Intensive running or long intervals: 150 cm or longer, 48 to 55 cm wide

If you are taller than 185 cm or often run faster than 14 km/h, choose on the generous side of the above margins. This prevents you from shortening your stride or running too close to the edge.

Cushioning is crucial for joint-friendly training. A good cushioning system absorbs impact and provides a slight energy return, allowing you to roll off naturally. Walkers benefit from softer cushioning for long-lasting comfort. Runners need balanced cushioning: soft enough for shock absorption, firm enough not to feel "spongy" at higher speeds. Pay attention to the construction of the cushioning system in the deck and frame and check whether the entire running surface cushions consistently, not just in the middle.

If possible, test at your intended pace. Pay attention to stability upon landing, the non-slip quality of the belt, and the noise level. Vibrating or bouncing with every step indicates a less stable deck or frame.

Incline and training programs

An adjustable incline adds variety, activates different muscle groups, and increases intensity without you having to run faster. For walking and fat burning, a 3 to 6 percent incline works effectively. For runners and interval training, a 10 to 15 percent incline can offer a challenge. Automatic incline is ideal for programmed workouts and smooth transitions; manual incline is simpler but less flexible.

Integrated training programs keep you motivated and help you achieve your goals, from endurance training and hill profiles to HIIT. Check that the console reads clearly and that you have easy shortcut keys for speed and incline. This makes interval blocks and tempo changes much easier, especially during intense sessions.

Stability, frame, and maximum user weight

The stability of a treadmill is primarily determined by frame quality, the total weight of the device, and the deck's construction. A heavier and stiffer frame vibrates less at higher speeds and feels more confidence-inspiring. You will immediately notice this in your running rhythm and technique.

Check the maximum user weight and keep a margin. If you are close to the maximum, choose a model with a higher load capacity. A generous margin increases the durability of the motor, bearings, and deck. Also, pay attention to the frame's fit: ample space next to the running surface and sturdy handrails without play improve your sense of control, especially during sprints or incline training.

Foldable, placement, and noise

Foldable models save space and are convenient for home use. Look for a secure locking and soft-drop system and sturdy transport wheels. Permanently installed, non-foldable devices are often even more stable for intensive use but require permanent space.

Place your treadmill on a stable, level surface with adequate ventilation. A protective mat under the device dampens noise, prevents dust, and protects your floor. Noise is influenced by the motor, cushioning, running speed, and footwear. Expect more noise at higher speeds and incline; therefore, choose a model with a solid frame and deck if you often train intensively.

Console, apps, and heart rate measurement

A clear console helps you train effectively. Pay attention to the readability of speed, distance, time, calories, and heart rate. Shortcut keys and a clear layout make a difference during interval training.

Bluetooth connectivity opens up additional possibilities. With apps like Kinomap, you can use routes and coaching for variety and motivation. Check which apps are supported by each model and whether a subscription partner is required. Heart rate can be measured via sensors in the handgrips, but a chest strap heart rate monitor is more accurate. If you want to train in heart rate zones, ensure the treadmill is compatible with a chest strap and that the data is displayed stably in the console or app.

Budget and price-quality

Determine your budget in advance and match it with your intended use. In the entry-level class, you'll find decent walking and jogging models with compact running surfaces and basic consoles. The mid-range adds more powerful motors, larger running surfaces, automatic incline, and better cushioning. In the higher class, you get maximum stability, high top speed, premium cushioning systems, and extensive connectivity. Invest primarily in motor power, running surface, and stability – you'll notice the difference in every workout.

Quick comparison: which specs suit your goals?

If you want to quickly compare models based on price/quality and specifications, check out the Top 10 treadmills.

Checklist: what to look for when buying a treadmill?

• Use and frequency: walking, varied home use, or intensive running
• Top speed: sufficient margin above your training speed
• Continuous motor power: choose extra reserve for heavier use or higher body weight
• Running surface: adjust to height and pace for free stride
• Cushioning: balance between comfort and springiness at speed
• Incline: automatic incline for variety and programs
• Stability and weight: sturdy frame and high device weight for fewer vibrations
• Maximum user weight: maintain a safe margin
• Foldable and wheels: save space and easy to move
• Console and connectivity: overview, quick keys, Bluetooth, and app support
• Maintenance: deck lubrication and belt tension check
• Budget: invest in motor, running surface, and stability

Examples that match your goals

If you're looking for an all-round home treadmill with good stride space and pleasant cushioning, check out the: Flow Fitness Perform T2i. For intensive runners, there are also models from Tunturi and Spirit Fitness with high top speeds, spacious running surfaces, and automatic incline. If you primarily want to walk or work actively from home, a compact walking pad like the Flow Fitness DTM400i is convenient due to its lower profile and low starting speed. Professional environments can find extra robust devices in the professional treadmill segment.

Personal advice or testing in-store

If you're hesitating between two models or want to be sure that the running surface and cushioning suit you, visit one of our stores. Our specialists will help you with personalized advice, home installation, and a suitable maintenance plan. This way, you can be sure you choose the right treadmill and can start using it immediately.