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Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower vs EGO LM2135SP

Both are 21-inch self-propelled battery mowers that replace gas. The EGO LM2135SP is the better mower for most people: more cutting torque, a multi-blade Select Cut system, blade-stop, and a huge 31,238-rating track record. The Ryobi 40V HP wins on included batteries (two 6Ah packs) and price if you already own Ryobi 40V tools. Check current prices at each store before buying; the gap between them moves with sales.

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Ryobi
Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower

Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower

4.5· 2,166 ratings

Choose the Ryobi 40V HP 21-Inch Self-Propelled if you already own Ryobi 40V batteries and want two included 6Ah packs, turbo mode, and a lower kit price.

Pros
  • Two 6Ah batteries included, so you can run one and charge one
  • Up to 70 to 80 minutes of runtime, enough for about 3/4 acre
  • Lighter at 77 lb and folds for vertical storage
  • Turbo mode and Cut Command Center show runtime and blade life
  • Part of the Ryobi 40V system, so batteries share with other tools
Cons
  • Single Cross Cut blade, no interchangeable blade options

What separates them

Ryobi 40V HP 21-Inch Self-Propelled Lawn MowerEGO LM2135SP
Battery includedTwo 40V 6Ah batteries (12Ah total)One 56V 7.5Ah battery
Cutting torqueMore power than a 163cc gas mower7.0 ft-lbs, rated to exceed gas
Blade systemCross Cut single bladeSelect Cut with three interchangeable lower blades
Cut height range7 positions, 1.5 to 4 inches8 positions, 1 to 4 inches
RuntimeUp to 70 to 80 minutesUp to 60 minutes
Blade stopNo blade-stop system listedBlade Stop System, motor stops with handle
Weight77 lbAbout 88 lb

Price history

  • Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower: lowest $639.00 on Nov 2 at The Home Depot.
  • EGO LM2135SP: lowest $749.00 on Nov 2 at Lowe's.

Prices at every store

Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower

  • The Home DepotCheck price at The Home Depot
Prices and history →

EGO LM2135SP

  • AmazonCheck price at Amazon
  • eBayCheck price at eBay
  • Lowe'sCheck price at Lowe's
Prices and history →

Specs compared

SpecRyobi 40V HP 21-Inch Self-Propelled Lawn MowerEGO LM2135SP
Drive TypeSelf-PropelledRear wheel drive
Self PropelledYesYes
Cutting Width21"21″ deck
Battery Voltage40V56-volt
Blade SystemCross CutRotary
Mower TypeWalk Behind—
Power SourceBattery, Cordless—
BaggingYes—
Cutting Height Options7-Position—
Maximum Cutting Height4"—

What reviewers say

Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower

Owner feedback on the Ryobi 40V HP 21-inch mower is largely positive, with buyers calling it a credible gas replacement for medium lawns. Complaints center on weight and real-world runtime in heavy grass.

Pros
  • Quiet, no gas or oil maintenance
  • Self-propelled drive handles slopes well
  • Two batteries cover most 1/2 to 3/4 acre yards
  • Easy folding and vertical storage
Cons
  • Heavy at 77 lb
  • Runtime falls short in tall or wet grass
  • Plastic deck and wheels feel less sturdy than metal
  • Batteries take time to recharge for a second pass

EGO LM2135SP

With 31,238 ratings averaging 4.6 out of 5, owners largely report an easy, light-feeling mower that folds and stores simply, and several mention liking its looks.

Questions and answers

Which is better for a large lawn?
The Ryobi, on runtime. Two 6Ah batteries give up to 70 to 80 minutes, enough for about 3/4 acre. The EGO runs about 60 minutes on its single 7.5Ah pack, so a big lawn may need a second EGO battery.
Which cuts thick grass better?
The EGO. It delivers 7.0 ft-lbs of torque and lets you fit a high-lift bagging blade or mulching blade. The Ryobi relies on one Cross Cut blade plus turbo mode.
Is the EGO worth the extra money?
For most buyers, yes. You get more torque, three blade options, blade-stop, and a 1-inch low cut. The Ryobi is the better value if you already own Ryobi 40V batteries.
Which is easier to store?
The Ryobi is lighter at 77 lb and folds to stand vertically. The EGO also stores vertically but weighs about 88 lb.
Do the batteries work with other tools?
Yes for both. Ryobi batteries fit any Ryobi 40V tool; EGO 56V ARC Lithium batteries fit any EGO Power+ tool. Neither brand's batteries work in the other's tools.
Which has better reviews?
The EGO has a 4.6 rating from over 31,000 ratings. The Ryobi has 4.5 from about 2,166 ratings. The EGO's sample is far larger.

More comparisons

  • Ryobi 40V HP 21-Inch Self-Propelled Lawn Mower vs Greenworks 80V 21 inch
  • 22" 170cc Gas Self-Propelled 3-in-1 Lawn Mower V8622S vs EGO LM2135SP
  • Greenworks 80V 21 inch vs EGO LM2135SP
  • Toro 21486 22in Recycler Max with SmartStow Gas Push Lawn Mower vs EGO LM2135SP

Buying guides that pick them

  • Best lawn mowers for suburban lawns
  • Best self-propelled walk-behind lawn mowers
Minimum cut height is 1.5 inches, higher than the EGO's 1 inch
  • No blade-stop system
  • Smaller review base than the EGO
  • EGO
    EGO LM2135SP

    EGO LM2135SP

    4.6· 31,238 ratings

    Choose the EGO LM2135SP if you want the stronger cut, three interchangeable blades, blade-stop safety, and the most proven 21-inch battery mower.

    Pros
    • 7.0 ft-lbs of torque and a strong reputation for cutting thick grass
    • Select Cut: swap mulching, bagging, and extended-runtime blades
    • Blade Stop System stops the blade without shutting the motor
    • 8 cut heights from 1 to 4 inches, single-lever adjustment
    • Rated 4.6 from over 31,000 ratings; reviewers call it easy to maneuver and fold
    Cons
    • Only one 7.5Ah battery included, so long lawns may need a second pack
    • Heavier at about 88 lb
    • Higher upfront price than the Ryobi kit in most listings
    • 60-minute runtime is shorter than the Ryobi's two-battery total
    Drive
    Rear-wheel self-propelled with speed at the Cut Command Center
    Touch Drive, variable 0.9 to 3.1 MPH
    Minimum Cutting Height
    1.5"
    —
    MulchingYes—
    Show all 40 specsShow fewer specs
    SpecRyobi 40V HP 21-Inch Self-Propelled Lawn MowerEGO LM2135SP
    Side DischargeYes—
    Engine HorsepowerMore Power Than a 163cc Gas Mower—
    Engine TypeBrushless—
    Battery RuntimeUp to 70 Min.—
    Battery IncludedYes (Kit)—
    Battery Amp Hour6 Ah—
    Number Of Batteries Included2—
    Deck MaterialPolymer Composite—
    Deck Size21 in—
    Overall Dimensions59 in (assembled depth)—
    Weight77 lb—
    Coverage AreaIdeal for 3/4 Acre—
    Trimmer cutting widthAdjustable 15" - 17"—
    Trimmer weight13.16 lbs.—
    Trimmer runtimeOver 65 Minutes—
    Blower air volume800 CFM—
    Blower air speed180 MPH—
    Blower noise rating58.8 dB—
    Blower weight10.6 lbs.—
    Blower runtime60 mins.—
    Battery capacity6Ah—
    Charger input120V, 60Hz, 194W—
    Type—Walk-behind
    Cordless—Yes
    Variable Speed—Yes
    Adjustment Type—Single-lever
    Battery Type—Lithium ion
    Series Name—POWER+ 800 Series Select Cut with Touch Drive
    Pros
    • Easy to maneuver
    • Light to handle
    • Folds up for storage
    • Attractive appearance
    Cons
    • Runtime drops in tall or wet grass
    • Battery and charger add cost if you need a spare
    • Self-propel and deck feel less sturdy than a gas mower
    Reviews
    • Attractive