PowerSmart 21-Inch 140cc B&S Engine Self-Propelled Lawn Mower – 6-Position Adjustable Cutting Height, 3-in-1 Mulching, Side Discharge, and Rear Bagging, Easy Start
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AVERAGE
73
Winnowl Index
Winnowl Verdict
At an AVERAGE (74) Winnowl Index, the PowerSmart 21-Inch 140cc B&S Engine Self-Propelled Lawn Mower offers top-tier specs, but the lack of value at this price point makes it a difficult choice. You get Strong Performance with this unit, but it comes at the cost of Mediocre Value and only Average Brand Strength to back it up. The PowerSmart 21-Inch 140cc B&S Engine Self-Propelled Lawn Mower – 6-Position Adjustable Cutting Height, 3-in-1 Mulching, Side Discharge, and Rear Bagging, Easy Start offers a 3 Year Warranty that beats the average by 2% and means you should feel reasonably protected against common manufacturing defects during the first few years of ownership, yet the $425.44 price makes this a poor value for the Gas Powered Self Propelled Lawn Mowers category. We suggest checking out other Gas Powered Self Propelled Lawn Mowers in the class; paying a 15% premium for 12% less value doesn't make sense unless you can't find this level of performance in another product.
Market Value Index
Mediocre
$425.44
Overpriced
Fair
High Value
At $425.44, you are capturing 12% less Performance per dollar than the $371.29 average, confirming its Mediocre Value status.
Performance Rating
Strong
The Strong Performance measures 2% above the average; you can see this in the 3 Year Warranty which provides you should feel reasonably protected against common manufacturing defects during the first few years of ownership, 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
$425.44
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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. |
| Warranty | 3 Years | Strong | 40% better | Standard industry backing. This 2-year window is the baseline for most reputable residential gas mower brands. |
| 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. |
Ranking Factors
Insights
- Value Rank: #15 out of 15.
- Performance Rank: #15 out of 15.
- Winnowl Quadrant: Premium
Strengths
- Highest Warranty in its class at 3 Years, significantly above the class average of 2.14 Years.
Neutral
- A Cutting Width of inches is about average (21.36 inches) but narrower than the widest in class at 24 inches.
- 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 140cc B&S Engine Self-Propelled Lawn Mower |
AVERAGE
73
|
Mediocre | Strong | Average | $425.44 | 140 cc | 21 inches | 3 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
