By Billy G. · Founder & Lead EditorVerified Jun 7 by Billy G.
Ego Power LM2135SP
Ego Power LM2135SPvsRyobi 40V HP RY401170
Verdict: Ego Power LM2135SP outperforms on raw cutting power and runtime consistency in demanding conditions according to RTINGS and Consumer Reports mower tests. Ryobi RY401170 closes the gap on weight and ecosystem value for existing 40V owners. The Ego wins overall for users prioritizing performance over initial price.
How we scored itSpec verificationOwner sentimentLive pricing (4h refresh)Editorial reviewOur methodology →
Winner: Ego Power LM2135SP
Ego Power LM2135SP: 8.5/10
Ryobi 40V HP RY401170: 7/10
Spec-by-spec comparison
Ego Power LM2135SP
Ryobi 40V HP RY401170
voltage
56V
40V
cutting_width_inch
21
21
weight_lbs
58
52
battery_included
Yes (7.5 Ah)
Yes (6 Ah)
Ego Power LM2135SP
What works
56V system delivers higher torque for thick grass
Variable self-propelled speed up to 3.1 mph
Mulch, bag, and side discharge options included
What doesn't
Heavier at 58 lbs than many competitors
Higher upfront cost for batteries and charger
Ryobi 40V HP RY401170
What works
Lighter 52 lb frame for easier maneuvering
Brushless motor with 40V HP high-performance pack
Tool-only compatibility with existing Ryobi 40V batteries
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