Greenworks 40V 20 inch Cordless and Greenworks 80V 25 inch Self-Propelled are very close in this matchup. When the overall score is tied, the right choice usually comes down to price, review depth, and which spec wins matter most for your use case.
Pick Greenworks 40V 20 inch Cordless if its current price, brand, or design fits your shortlist better than Greenworks 80V 25 inch Self-Propelled.
Pick Greenworks 80V 25 inch Self-Propelled if voltage and deck size are the reasons you are shopping in this category. It currently costs about $129.01 more, so make sure those wins matter to you.
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
| Spec | Greenworks 40V 20 inch Cordless | Greenworks 80V 25 inch Self-Propelled |
|---|---|---|
| Power Source | Battery (cordless) | Battery (cordless) |
| Voltage | 40V | 80V ✓ |
| Spec | Greenworks 40V 20 inch Cordless | Greenworks 80V 25 inch Self-Propelled |
|---|---|---|
| Deck Size | 20-inch | 25-inch ✓ |
| Weight | 60-80 lb (battery + tool) | 60-80 lb (battery + tool) |
| Spec | Greenworks 40V 20 inch Cordless | Greenworks 80V 25 inch Self-Propelled |
|---|---|---|
| Brand | Greenworks | Greenworks |
| Category | Lawn mower | Lawn mower |
| Drive | - | Variable-speed rear-wheel drive |
| Type | Walk-behind | Self-propelled walk-behind |
Based on 10 spec comparisons plus user ratings, both products are closely matched, so price and feature priorities should drive the final choice.
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These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
VSFinder compares 4 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When the score is close, the lower-scoring option can still be the better buy if it wins on the features you care about most or lands at a meaningfully lower price.
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $369.99 for Greenworks 40V 20 inch Cordless and $499.00 for Greenworks 80V 25 inch Self-Propelled.
