We may earn a commission when you buy through our links. Rankings are formula-based and never paid for. As an Amazon Associate I earn from qualifying purchases. Disclosure

Ryobi 40V HP Brushless 20" Self-Propelled Mower Kit

Ranked #13 of 18 in Best Cordless Lawn Mowers: Greenworks & Ryobi Push and Self-Propelled (2026). Here is every spec we scored, where it came from, and how it compares.

Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.

#13

Ryobi 40V HP Brushless 20" Self-Propelled Mower Kit

Best for: Lightest self-propelled mower here at 42.8 lb

3.6/10

What we like

    Watch out for

      Score breakdown

      Deck width 25%
      Kit battery energy 20%
      Runtime 15%
      Rated lawn size 15%
      Cutting-height range 10%
      Self-propelled 10%
      Listed weight 5%
      Deck width20 in
      Kit battery energy240 Wh
      Runtime40 min
      Rated lawn size0.5 acres
      Cutting-height range2.5 in
      Self-propelledYes
      Listed weight42.8 lb
      Kit battery40 V 6 Ah = 240 Wh (computed)
      Cutting height1.5–4 in
      Cutting-height range2.5 in (computed: max minus min)
      Rated lawn sizeUp to 1/2 acre (0.5 acres, computed)
      Height adjustment7-position single point
      PriceCheck price
      Check price at Amazon
      Specs source:

      Ryobi 40V HP Brushless 20" Self-Propelled Mower Kit head-to-head

      Featured inBest Self-Propelled Cordless Mowers (2026)

      How it compares

      Open the full comparison table

      Ryobi 80V HP Brushless 30" Self-Propelled Multi-Blade Mower Kit
      9.5/10
      #1 · The widest deck and biggest battery here
      Greenworks 60V 25" Dual-Blade Self-Propelled Mower (LM2516S)
      6.8/10
      #2 · 25 in deck rated for 1 acre
      Greenworks 80V 21" 4-in-1 Self-Propelled Mower (LM2108S)
      6.5/10
      #3 · 8 Ah 80V battery rated for 3/4 acre
      Ryobi 40V HP Brushless 21" Self-Propelled Mower Kit (RY40HPLM01K2)
      6.4/10
      #4 · 80 min runtime on two 6 Ah batteries
      Ryobi 40V HP Brushless 21" Self-Propelled AWD Multi-Blade Mower Kit (RY40HPLM03K2)
      6.2/10
      #5 · All-wheel drive with two 6 Ah batteries
      Greenworks 80V 25" Dual-Blade Self-Propelled Mower (LM2508S)
      5.8/10
      #6 · 25 in deck on one 80V 4 Ah battery
      Greenworks 60V 21" Self-Propelled Mower (LM2116S)
      5.6/10
      #7 · Two 60V 4 Ah batteries for 3/4 acre
      Greenworks 40V 25" Dual-Blade Self-Propelled Mower (LM2504S)
      4.8/10
      #8 · 25 in deck on the 40V platform
      Greenworks 48V (24V x 2) 21" Self-Propelled Mower (LM2112S)
      4.4/10
      #9 · Runs on two 24V USB batteries
      Ryobi 40V HP Brushless 20" Self-Propelled Multi-Blade Mower Kit
      4.1/10
      #10 · Self-propelled 20 in with an 8 Ah battery
      Greenworks 40V 21" Self-Propelled Mower (LM2154S)
      3.9/10
      #11 · Single 5 Ah battery, 1/3 acre
      Ryobi 40V HP Brushless 21" Push Mower Kit
      3.7/10
      #12 · 21 in push mower with an 8 Ah battery
      Ryobi 18V ONE+ HP Brushless 20" Self-Propelled Mower Kit
      3.5/10
      #14 · Self-propelled mower on 18V ONE+ batteries
      Greenworks 60V 21" Push Mower (LM2116)
      3.2/10
      #15 · 21 in push mower on a 60V 5 Ah battery
      Greenworks 40V 20" Push Mower (LM2034)
      2.3/10
      #16 · 20 in push mower for 1/3 acre
      Ryobi 18V ONE+ HP Brushless 16" Push Mower Kit
      1.3/10
      #17 · Lightest mower here at 34.4 lb
      Greenworks 40V 17" Push Mower (LM1724)
      1.3/10
      #18 · Compact 17 in mower for 1/4 acre