Head-to-head comparison

LMB454 vs. 21321

An independent, normalized comparison of the specifications and editorial scores that matter in your yard.

LMB454

Greenworks

LMB454

21321

Toro

Decision guide

The clearest reasons to choose either model, followed by our overall winner.

Overall pick

Overall recommendation

21" Recycler Self-Propelled Gas Mower is our overall pick, winning 1 of 10 measured comparisons.

Side by side

Compare core specifications and normalized editorial scores. Highlighted cells show the stronger measurable result.

Show differences only

Specifications and scores for 80V 21" GEN 2 Brushless 4-in-1 Push Mower and 21" Recycler Self-Propelled Gas Mower
Metric	LMB454	21321
Core specifications
Manufacturer MSRP	Not available	Not available
Power	Battery · 80V	Gas · 140 cc
Deck width	21 in	21 in
Drive	Push	Self-propelled Category winner
Battery runtime	40 min	Not applicable
Weight	60.6 lb	Not available

marks the stronger value for that metric. Power is judged using the normalized performance score.

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