NordicTrack X9i Incline Trainer Review

Incline trainers are a small, expensive category, and the X22i's 22-inch rotating screen tends to hog the spotlight. But after four weeks living with its smaller sibling, we think the X9i is the smarter buy for most people who actually want this category of machine — the incline hardware that does the real work is identical, and identical is the part that matters most.

Overview and Who It's For

The X9i is NordicTrack's value entry into the incline trainer category, and "value" is doing real work in that description — it's still a $2,500+ treadmill, but it undercuts its flagship sibling by several hundred dollars while keeping the exact same motor, deck, and incline range that define this category of machine. We tested it specifically to answer the question budget- conscious incline shoppers ask us most often: does the smaller screen actually cost you anything in the workout itself, or is it purely a display-size trade-off? After four weeks, our answer is that the training experience underneath the screen is essentially identical to the X22i, and the smaller display is a genuinely reasonable place to save money if you're not fixated on watching trail video on the largest possible screen.

As with the X22i, it's worth being precise about what "incline trainer" means here. A standard treadmill uses incline as a resistance modifier on a flat run. The X9i, like its flagship sibling, treats incline as the core feature — the deck ranges from -6% decline to a full 40% incline, steep enough to simulate real hiking trails and mountain terrain rather than a slight ramp. During iFit-guided trail workouts, the deck angle changes automatically to track real trail footage, so the grade under your feet shifts as the video terrain does. That's the entire point of this machine category, and the X9i delivers it in full.

This is a folding treadmill using NordicTrack's SpaceSaver design with an EasyLift assist strut, but it shares the X22i's larger, heavier build — a reinforced frame to support the incline mechanism and a 350-lb weight capacity mean it's a bigger machine than NordicTrack's flat Commercial line. Standing folded, it occupies a substantial 38 x 84-inch footprint, so if ultra-compact storage matters most to you, this isn't the right category — ourfolding treadmill guidecovers more space-efficient options.

We'd recommend the X9i most strongly to budget-conscious hikers and trail runners who want serious incline training without paying flagship prices, to anyone who primarily props a phone or tablet on a stand during workouts anyway and won't miss a larger built-in screen, and to HIIT-style incline walkers whose focus is the grade under their feet rather than the video in front of them. If display size and the ability to rotate the screen for off-treadmill workouts genuinely matter to you, theX22iis worth the extra money; otherwise, the X9i gets you the same workout for less.

Full Spec Sheet

Here's every spec we verified directly against our test unit rather than copying from the manufacturer's marketing page.

Assembly and Setup

Assembly took our team roughly 80 minutes working alone, and closer to 50 minutes with a second person helping lift the upright frame into place — slightly faster than the X22i thanks to the smaller, lighter console, but the frame itself is identical in weight and complexity, so a second pair of hands is still worth having for that step. The console and mast arrive mostly pre-wired, which sped things up.

As with the X22i, the manual walks through a required calibration step where the deck cycles through its full -6% to 40% range once before first use. Don't skip it — it's how the machine learns its own incline motor limits, and it's also your best chance to catch any shipping-related issue with the incline mechanism before your first real workout. Budget an extra 10 minutes for this pass.

The treadmill ships in a heavy box, close to 280 pounds given the reinforced frame needed for the 350-lb capacity and incline mechanism, so plan your delivery and unboxing location accordingly rather than expecting to move the sealed crate up stairs first. As with the X22i, confirm your room has enough ceiling clearance for the deck's incline swing — at 40%, the front of the deck rises considerably higher off the floor than on a flat treadmill, and a sloped ceiling or overhead fixture can become a real problem if you haven't checked clearance in advance.

Performance Deep Dive

Motor and Deck Under Real Incline Load

Since the X9i shares the X22i's 4.0 CHP motor and 22 x 60-inch deck, performance under load is essentially identical, which is exactly what you'd hope for given the price gap is entirely about the display. The motor never felt strained during sustained climbs at 30%+ incline combined with 3-4 mph walking speed, and the deck stayed stable at maximum incline without noticeable flex. If you've read our X22i review, this section will sound familiar — that's the point. The hardware doing the physical work is the same machine wearing a smaller screen.

We ran the same 30-minute incline-cycle test on the X9i that we ran on the X22i, alternating between 10% and 35% grade every two minutes. Grade transitions took a comparable 8-10 seconds, and motor housing temperature after the full cycle stayed within a comfortable-to-touch range. Belt speed held consistent through every transition. We couldn't detect a meaningful performance difference between the two machines in this test, which reinforces our take that the price difference between them is a display decision, not a hardware one.

The 40% Incline and -6% Decline in Practice

Walking at 40% incline feels the same on the X9i as it does on the X22i, because it is the same incline mechanism — a noticeably harder recruitment of glutes and calves than incline walking at 10-15%, and most testers needed to slow their pace considerably to sustain it. The -6% decline delivers the same practice value for downhill running mechanics, letting runners train footstrike and braking patterns that are otherwise only available outdoors. If the incline and decline experience is what you're paying for, you're getting all of it here.

The 10-Inch Pivoting Screen

This is the real trade-off, and we want to be honest about it rather than downplaying it. The 10-inch screen is smaller and less immersive during iFit trail workouts than the X22i's 22-inch display — trail video feels more like watching a tablet propped in front of you than a window into the terrain. It's still sharp and responsive to touch, and we had no trouble reading workout stats or following trainer cues during coached sessions. The screen pivots rather than rotates a full 180 degrees, which is a smaller range of motion than the X22i offers for off-treadmill workouts, though we found the pivot range sufficient for the stretching and light strength sessions we used it for.

The iFit-Coached Trail Experience

Functionally, the terrain-matched incline coaching works identically to the X22i — the deck's incline and decline track real trail footage in real time during iFit-guided workouts, requiring an active membership to unlock. The experience of feeling a hill rather than watching one is preserved on the smaller screen; what changes is how cinematic the video itself feels. For testers who prioritized the physical training effect over the visual experience, this distinction barely registered after the first session or two.

Folding and Footprint

The EasyLift assist strut helps here as it does on the X22i, and folding effort felt marginally easier given the lighter console, though the difference is modest. As with its sibling, we wouldn't recommend folding this one daily — it's built to live semi-permanently in a dedicated space, with folding better reserved for occasional deep cleaning.

Long-Term Durability Notes

Four weeks can't fully answer a multi-year durability question, so we cross-referenced our hands-on impressions against patterns in verified owner reviews spanning one to three years of ownership. Because the X9i shares its incline mechanism, motor, and deck with the X22i, the durability patterns we found were consistent between the two models — a low long-term complaint rate on the incline motor itself, with belt tracking as the most common maintenance item owners report needing to address within the first year. The smaller, simpler console on the X9i showed, if anything, a slightly lower complaint rate than the X22i's larger touchscreen, which tracks with the general pattern that fewer moving parts and less complex electronics tend to age a bit more gracefully.

NordicTrack's warranty coverage — a 10-year frame, 2-year parts, and 1-year labor policy — is identical across the X-Series lineup, and it's worth registering your unit promptly after purchase. As with the X22i, we'd recommend keeping the incline mechanism's exposed moving parts clear of dust and pet hair, which owners report as a more common issue on incline trainers than on flat decks simply because there's more mechanism exposed around the incline pivot points.

A Note on Value Positioning

It's worth stepping back and asking why NordicTrack sells two machines with identical incline hardware at different prices in the first place. The honest answer is that the display is a meaningful cost driver in modern fitness equipment — a 22-inch rotating touchscreen with the supporting electronics and mounting hardware costs considerably more to manufacture than a 10-inch pivoting one, and that cost gets passed straight to the shopper. Understanding that lets you make a clear-eyed decision rather than assuming the cheaper machine must be cutting corners somewhere less visible. In our testing, we found no evidence of a quality difference in the frame, motor, or incline mechanism between the two models; the price gap really is concentrated in the one component that differs.

Pros and Cons

How It Compares

The X9i doesn't exist in a vacuum — here's how it stacks up against its flagship sibling and NordicTrack's flat mid-tier model.

The X22iis the obvious point of comparison, since it's the same motor, deck, and incline range wrapped around a considerably larger 22-inch rotating screen instead of the X9i's 10-inch pivoting one. Unless the display itself is a priority, we think the X9i is the smarter buy for most shoppers in this category — you're not giving up any incline performance to save the money. TheCommercial 1750is a useful reference point in the other direction: a flat treadmill with a 12% max incline, meaningfully cheaper than either incline trainer, and the right choice if you've read this far and realized you don't actually need 40% incline range in your training.

It's worth naming the trade-off plainly: you're saving several hundred dollars by accepting a smaller, less rotatable screen, not by accepting a lesser workout. For shoppers whose budget is the deciding factor between an incline trainer and settling for a flat treadmill's limited incline, the X9i is arguably the better recommendation of the two X-Series machines, because it gets more people into the category who might otherwise talk themselves out of it on price alone.

Who Should Skip This Treadmill

As much as we like the X9i, it isn't the right machine for every shopper. If display size and immersive trail video genuinely matter to you, the smaller screen will be a persistent annoyance, and the X22iis worth the extra money instead. If you mostly want a comfortable flat run or light incline walk, you're paying for incline range you'll rarely use — aCommercial 1750serves that use case better and for less. And if you know you'll never subscribe to iFit, the terrain-matched coaching that justifies this category of machine goes unused, making a simpler treadmill from ourhome treadmill guidethe more sensible purchase.

Final Verdict

The NordicTrack X9i is the incline trainer we'd recommend to most budget-conscious hikers, trail runners, and incline-focused HIIT trainees, because it delivers the identical -6% to 40% incline range, the same 4.0 CHP motor, and the same true decline as the considerably pricier X22i. The smaller 10-inch screen is a real trade-off during immersive trail workouts, but it doesn't change what your legs experience during a climb, and that's ultimately what this category of machine is for.

If you're deciding between the X9i and the X22i, our advice is simple: pay for the incline hardware first, and only pay extra for the screen if you know display size and rotation genuinely matter to how you'll use the machine. For most shoppers, that extra money is better saved or put toward a longer iFit subscription instead.