PowerSmart 21-Inch Gas Self-Propelled Lawn Mower, 140cc 4-Stroke B&S Engine, 3-in-1 Function (Mulching, Bagging, Rear Discharge), 6 Height Settings, 10" Rear Wheels, 1.4 Bushel Grass Bag
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MEDIOCRE
68
Winnowl Index
Winnowl Verdict
Even with the PowerSmart 21-Inch Gas Self-Propelled Lawn Mower scoring an AVERAGE (70) Winnowl Index, the price-to-Performance ratio is a tough pill to swallow. While the Performance is Strong, the thing to watch out for is the Mediocre Value paired with Average Brand Strength. The PowerSmart 21-Inch Gas Self-Propelled Lawn Mower, 140cc 4-Stroke B&S Engine, 3-in-1 Function (Mulching, Bagging, Rear Discharge), 6 Height Settings, 10" Rear Wheels, 1.4 Bushel Grass Bag delivers a Cutting Height Adjustment of 6 settings—which is 2% better than the average and means you should be able to easily dial in the perfect height for your specific lawn and seasonal needs—but at $410.07, it is an inefficient spend for the Gas Powered Self Propelled Lawn Mowers class. Unless you really are glued the the performance, we recommend you consider other Gas Powered Self Propelled Lawn Mowers where you aren't paying 10% extra for 16% less value efficiency.
Market Value Index
Mediocre
$410.07
Overpriced
Fair
High Value
Our audit identifies Mediocre Value because the $410.07 investment returns 16% less utility than the $371.29 baseline.
Performance Rating
Strong
The Strong Performance measures 7% below the average; you can see this in the 6 settings Cutting Height Adjustment which provides you should be able to easily dial in the perfect height for your specific lawn and seasonal needs, even though the 140 cc Engine Displacement eventually leads to you will likely notice the engine struggling or "choking" when attempting to mulch thick grass or navigate uphill.
Brand Strength
Average
The Average Brand Strength of PowerSmart is a combination of the Average Brand Trust and Average Brand Reliability.
Available At
$410.07
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Engine Displacement | 140 cc | Mediocre | 15% worse | Entry-level displacement. Engines in this range (typically 140cc) lack the torque required for heavy-duty residential tasks. |
| Cutting Width | 21 inches | Average | 2% worse | Full-size residential benchmark. The 21-22 inch deck is the gold standard for balancing speed, storage, and handling. |
| Cutting Height Adjustment | 6 settings | Average | 4% worse | Standard residential precision. Provides enough versatility to handle everything from low spring cuts to tall summer maintenance. |
| Warranty | 2 Years | Average | 7% worse | Standard industry backing. This 2-year window is the baseline for most reputable residential gas mower brands. |
Ranking Factors
Insights
- Value Rank: #21 out of 15.
- Performance Rank: #24 out of 15.
- Winnowl Quadrant: Budget
Neutral
- A Cutting Width of inches is about average (21.36 inches) but narrower than the widest in class at 24 inches.
- A Warranty of Years is about average 2.14 Years but below best in class at 3 Years.
- A Cutting Height Adjustment of settings is about average (6.28 settings) but not as many as the class max of 8 settings.
Weaknesses
- Lowest Engine Displacement in its class at 140 cc, well below the class high at 201 cc.
Comparison
| Name | Winnowl Index | Value | Performance | Brand | Price | Engine Displacement | Cutting Width | Warranty | Cutting Height Adjustment |
|---|---|---|---|---|---|---|---|---|---|
| PowerSmart 21-Inch Gas Self-Propelled Lawn Mower |
MEDIOCRE
68
|
Mediocre | Strong | Average | $410.07 | 140 cc | 21 inches | 2 Years | 6 settings |
| SENIX LSPQR2-M1 Gas Powered Self Propelled Lawn Mower |
STRONG
83
|
Fair | Exceptional | Average | $449.00 | 201 cc | 22 inches | 3 Years | 6 settings |
| SENIX LSPQR2-M2 Gas Powered Self Propelled Lawn Mower |
STRONG
82
|
Mediocre | Exceptional | Average | $501.99 | 201 cc | 22 inches | 3 Years | 6 settings |
| RYIRSHOH RY-G20140 Gas Powered Self Propelled Lawn Mower |
GHOST
45
|
Exceptional | Strong | Zero | $205.99 | 140 cc | 20 inches | 1 Years | 8 settings |
Rankings
