The deciding factor between the Ego LM2135SP and the Ryobi 13 in. ONE+ comes down to cutting deck width and drive mechanics: Ego provides a 21-inch deck backed by motorized self-propulsion for medium and larger properties, while Ryobi delivers a compact 13-inch manual push design tailored for tight city lots and small grass strips.
Homeowners tackling quarter-acre to half-acre suburban lawns with thick turf or slopes should choose the Ego LM2135SP for its expansive cutting path and variable drive assistance. Urban residents managing modest patches, micro yards, or separated terrace lawns should choose the Ryobi 13 in. ONE+ for easy transport and effortless maneuvering through narrow garden gates.
Ego LM2135SP vs Ryobi 13 in. ONE+ at a Glance
| Feature | Ego LM2135SP | Ryobi 13 in. ONE+ |
|---|---|---|
| Cutting Width | 21 inches | 13 inches |
| Drive System | Touch Drive self-propelled (0.9 to 3.1 mph) | Manual push |
| Motor Type | High-efficiency brushless | Not listed |
| Torque Rating | Up to 7.0 ft-lbs | Not listed |
| Battery System | 56V ARC Lithium (7.5Ah included) | 18V ONE+ (capacity not listed) |
| Battery Runtime | Up to 60 minutes | Up to 30 minutes |
| Charge Time | 60 minutes (Rapid Charger CH5500) | Not listed |
| Cutting Height Positions | 8 positions (1.25 to 4 inches) | 7 positions (1.5 to 4 inches) |
| Blade System | Select Cut multi-blade (3 lower blades included) | 2-in-1 mulching and bagging single blade |
| Grass Bag Capacity | 2 bushels | Not listed |
| Weight | 55.3 pounds | 50 pounds |
| LED Headlights | Yes | Not listed |
| Manufacturer Warranty | 5 Year Limited Warranty | Not listed |
| Best For | Suburban properties and thick lawns needing rapid coverage | Townhouse yards, patio lawns, and tight obstacle-rich spaces |
Deck Size and Cutting Efficiency
Deck size dictates how many walking passes you must complete to finish mowing your property. The Ego LM2135SP cutting width measures an expansive 21 inches, allowing you to sweep clean lines across open turf quickly. In head-to-head operational comparisons such as our ego vs ryobi brand breakdown, deck span represents the fundamental separator between full-sized suburban machines and space-restricted domestic tools. An 8-inch advantage translates to an extra 61 percent wider mowing path on every single pass you take across the yard.
In contrast, the Ryobi 13 in. ONE+ features a narrow 13-inch cutting swath. On a standard rectangular lawn, mowing with a 13-inch deck demands roughly five passes to clear the same area that the 21-inch Ego covers in three. If your yard spans beyond a simple patch, this discrepancy turns a twenty-minute chore into an extended workout. However, that narrow footprint allows the Ryobi deck to weave between closely spaced raised garden beds, slide through narrow side gates, and trim between decorative stepping stones where a broad mower cannot physically fit.
Choosing between an Ego 21 inch vs Ryobi 13 inch platform requires balancing physical clearance against mowing speed. If you have open areas of turf, the broad deck of the Ego reduces time on your feet significantly. If your yard resembles an obstacle course of tight corners, narrow pathways, and delicate perimeter plantings, the 13-inch Ryobi offers precision that prevents turf scalping on uneven contours.
Edge: Ego LM2135SP delivers substantially higher cutting efficiency by clearing over 60 percent more turf per pass than the 13-inch Ryobi.
Drive System and Operator Fatigue
The propulsion system establishes the amount of physical energy required to navigate your lawn. The Ego LM2135SP self propelled vs Ryobi push comparison highlights completely different handling philosophies. Ego integrates its Touch Drive self-propelled system, allowing you to engage motorized rear wheels simply by applying palm pressure to the handle. You can regulate walking speed smoothly between 0.9 and 3.1 miles per hour using a variable dial positioned directly beneath your fingertips, matching the machine to your natural stride on flat ground or inclines.
The Ryobi 13 in. ONE+ operates as a traditional manual push mower. Every bit of forward motion relies on your own arm and leg strength. Because the Ryobi weighs 50 pounds, manual pushing is relatively straightforward across flat surfaces, but it demands continuous effort when mowing uphill or crossing soft ground. For readers examining small-format yard machinery in our ego lm2130sp vs ryobi 18v one+ 13-inch overview, push operation remains manageable only when turf areas remain compact and level.
Despite weighing 55.3 pounds-5.3 pounds more than the Ryobi-the Ego LM2135SP feels significantly lighter during active use because its motor drives the wheels forward. Pushing a 50-pound manual machine like the Ryobi through thick or overgrown grass requires real physical exertion, whereas the Ego glides forward under its own torque. For anyone dealing with joint stiffness or hilly terrain, motorized drive assistance makes a major practical difference.
Edge: Ego LM2135SP wins easily due to its variable-speed Touch Drive self-propulsion that eliminates manual pushing effort.
Battery Platform and Runtime
Cordless mowing convenience is entirely dependent on battery runtime and the overall power system. The Ego LM2135SP is powered by a massive 56V ARC Lithium battery system, shipping with an expansive 7.5Ah battery pack. This power plant provides up to 60 minutes of continuous runtime on a single charge. Additionally, the included EGO POWER+ Rapid Charger (CH5500) replenishes the 7.5Ah battery completely in just 60 minutes. This 56V platform is interchangeable with all tools across the brand, as observed in our ego lm2135sp vs toro 60v max 21 in. recycler analysis.
The Ryobi 13 in. ONE+ mower runs on Ryobi’s popular 18-volt battery ecosystem. According to the manufacturer listing, the Ryobi 13 inch mower runtime reaches up to 30 minutes or enough power to cut up to a quarter-acre on a single charge. The listing specifies that a battery is included, though it does not specify the exact amp-hour capacity of the pack or the recharge duration. While 30 minutes is sufficient for micro yards, it leaves virtually no buffer if your grass grows tall or damp between cuts.
Evaluating the battery architecture reveals a sharp contrast in capability. The 56V Ego system operates at three times the nominal voltage of Ryobi’s 18V setup, maintaining motor RPM under heavy cutting loads without overheating the pack. Ryobi’s primary advantage lies in the sheer ubiquity of the 18V ONE+ platform, which powers hundreds of handheld workshop and DIY tools. However, for pure lawn mowing stamina, Ego’s 60-minute runtime and rapid 60-minute charging turnaround outperform Ryobi’s 30-minute ceiling.
Edge: Ego LM2135SP provides double the runtime at up to 60 minutes and includes a fast 60-minute rapid charger.
Cutting Quality, Torque, and Blade Systems
Grass cut quality depends directly on motor torque and blade dynamics. The Ego LM2135SP features a high-efficiency brushless motor that generates up to 7.0 ft-lbs of cutting torque, matching or exceeding gas-powered walk-behind mowers. It utilizes the proprietary Select Cut multi-blade cutting system, which pairs an upper blade with one of three interchangeable lower blades included in the kit: a mulching blade, a high-lift bagging blade, and an extended runtime blade. This design slices grass clippings into fine particles for clean mulching or maximum vacuum packing into its 2-bushel collection bag.
The Ryobi 13 in. ONE+ relies on a traditional single-blade assembly configured for 2-in-1 mulching and bagging operations. The manufacturer listing notes that it includes an easy-lift bag removal setup, and the unit starts instantly with the push of a button. However, the listing does not specify motor torque ratings or whether the unit incorporates a brushless motor. In dense turf, a smaller 18V motor driving a single blade can experience bogging when confronting thick, overgrown patches.
Height adjustment mechanics also illustrate the divergent approaches of these two mowers. The Ryobi utilizes a single-point adjustment lever that changes all four wheels simultaneously across 7 positions ranging from 1.5 to 4 inches. Ego offers 8 distinct cutting height positions ranging from 1.25 to 4 inches (with the feature summary noting 1 to 4 inches). Both units allow homeowners to maintain taller summer grass at 4 inches, but Ego’s dual-blade system and 7.0 ft-lbs of torque deliver a manicured finish on stubborn turf species, echoing the cutting performance detailed in our ego lm2102sp vs ryobi olm1833b comparison.
Edge: Ego LM2135SP delivers superior cutting performance with 7.0 ft-lbs of torque and its Select Cut multi-blade configuration.
Storage, Weight, and Maneuverability
Physical footprint and ease of handling determine how pleasant a mower is to manage when cutting tight spaces and parking in the shed. The Ryobi 13 in. ONE+ shines brightest in this category. Weighing 50 pounds with an ultra-compact 13-inch metal deck, it navigates around tight flowerbeds, garden statues, and patio borders with precision. When yard chores are finished, the handles fold downward quickly for vertical storage against a garage wall, occupying an extraordinarily small storage footprint.
The Ego LM2135SP is a full-sized residential machine weighing 55.3 pounds with listed exterior dimensions of 39 inches deep, 17 inches wide, and 66 inches tall. Although it can be folded down for upright positioning, its broad 21-inch cutting deck and expansive wheel track demand considerably more floor space. Maneuvering the Ego through cramped garden corners requires wider turning radiuses, making it feel somewhat bulky in restricted spaces, a trade-off similar to the platform dynamics discussed in our ego st1521s vs ryobi one+ 18v outdoor equipment analysis.
For homeowners debating whether to choose the Ego LM2135SP or Ryobi 13 in. ONE+ for small yard maintenance, physical layout is critical. If your property features raised borders, split-level steps, or tiny gated enclosures, the lighter, compact Ryobi is easier to lift and carry by hand. For standard open lawns, the Ego compensates for its larger size by incorporating bright LED headlights that let you mow safely during early morning or dusk hours.
Edge: Ryobi 13 in. ONE+ takes the lead for tight-space maneuverability and a smaller storage profile.
Pros and Cons
Ego LM2135SP

Pros
- Wide 21-inch cutting deck
- Touch Drive variable self-propulsion
- Up to 60-minute runtime
- Select Cut multi-blade system
- Rapid 60-minute battery recharge
Cons
- Heavier at 55.3 pounds
- Requires more garage storage space
Ryobi 13 In. ONE+

Pros
- Ultra-compact 13-inch cutting deck
- Single-point 7-position height adjustment
- Folds flat for vertical storage
- Navigates tight gates and garden beds
Cons
- Manual push drive without propulsion
- Limited 30-minute runtime
View Ryobi 13 in. ONE+ on Amazon
Who Should Buy Each One
Choose the Ego LM2135SP If
- You maintain a standard suburban lawn up to a half-acre and need to finish mowing quickly without excessive passes.
- Your property features slopes, hills, or thick grass varieties that benefit from 7.0 ft-lbs of torque and Touch Drive self-propulsion.
- You want the versatility of interchangeable mulching, bagging, and extended runtime blades with a large 2-bushel grass bag.
- You need extended battery life up to 60 minutes supported by a rapid 60-minute recharge cycle and bright LED headlights.
Choose the Ryobi 13 in. ONE+ If
- You manage a small city lot, townhouse patio lawn, or compact grass patch under a quarter-acre.
- You have limited storage room in your garage or utility shed and need a mower with folding handles for vertical storage.
- Your lawn has narrow walkways, tight garden beds, or gates narrower than standard 21-inch mowing decks.
- You already own power tools in the Ryobi 18V ONE+ system and want battery cross-compatibility for light yard maintenance.
Final Verdict
For the vast majority of homeowners with standard residential lawns, the Ego LM2135SP is the definitive winner. Its 21-inch cutting width covers open ground with far fewer passes than a compact mower, while its Touch Drive variable-speed self-propulsion eliminates the physical strain of pushing a machine across slopes or uneven grass. Adding a high-efficiency brushless motor that generates 7.0 ft-lbs of torque, a multi-blade Select Cut system, and up to 60 minutes of runtime with the included 7.5Ah battery, the LM2135SP delivers true gas-like mowing capability in a cordless format.
The Ryobi 13 in. ONE+ serves a very specific niche where the Ego is simply too large. If your property consists of a tiny courtyard, a fenced dog run, or disconnected patches of grass separated by narrow garden paths, a 21-inch mower is cumbersome overkill. The compact 13-inch Ryobi maneuvers where broad mowers cannot go, stores vertically in cramped spaces, and offers a straightforward push-button cutting experience for lawns under a quarter-acre. Pick the Ryobi for tight urban confines, but invest in the Ego for standard suburban yard care.
FAQ
How does the Ego LM2135SP cutting width compare to the Ryobi 13 in. ONE+?
The Ego LM2135SP features a 21-inch cutting deck, whereas the Ryobi 13 in. ONE+ has a 13-inch cutting deck. This 8-inch difference allows the Ego to cut an area roughly 61 percent wider on every pass, drastically cutting down total mowing time on medium to large lawns.
What is the expected Ryobi 13 inch mower runtime on a single charge?
The Ryobi 13 in. ONE+ provides up to 30 minutes of runtime on a single charge according to its listing specifications. The manufacturer notes this is sufficient to cut up to a quarter-acre of lawn under normal mowing conditions.
How does the Ego Touch Drive self-propelled system work?
Ego’s Touch Drive technology allows you to engage the self-propelled drive system using simple palm pressure on the handlebar. You can easily adjust your walking speed between 0.9 and 3.1 miles per hour using a variable dial conveniently positioned at your fingertips.
Is Ryobi 13 in. ONE+ worth it for small urban yards?
Yes, the Ryobi 13 in. ONE+ is an excellent choice for townhomes, patio yards, and properties under a quarter-acre. Its 13-inch width fits easily through narrow gates and around tight landscaping, while folding handles allow it to be stored vertically in small sheds or garages.
What blades come included with the Ego LM2135SP Select Cut system?
The Ego LM2135SP includes an upper blade alongside three interchangeable lower blades: a mulching lower blade, a high-lift bagging lower blade, and an extended runtime lower blade, allowing you to tailor your mower setup for specific grass conditions.
What are the cutting height ranges on both mowers?
The Ego LM2135SP offers 8 cutting height positions adjustable from 1.25 to 4 inches (with the listing summary noting 1 to 4 inches). The Ryobi 13 in. ONE+ offers a single-point height adjustment lever with 7 positions spanning from 1.5 to 4 inches.
Do these mowers include batteries and chargers in the package?
The Ego LM2135SP comes equipped with a 56V 7.5Ah ARC Lithium battery and the CH5500 Rapid Charger that recharges the pack in 60 minutes. The Ryobi 13 in. ONE+ listing specifies that a battery is included, though its exact capacity and charger specifications are not listed.



