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

Name: 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
Brand: PowerSmart
SKU: B8721S2

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PowerSmart | Gas Powered Self Propelled Lawn Mowers

MEDIOCRE

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

Strengths

Neutrals

Weaknesses

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

Trust

Reliability

Customer Service

The Average Brand Strength of PowerSmart is a combination of the Average Brand Trust and Average Brand Reliability.

Available At

$410.07 View Deal

The Winnowl Lab Report

Specification	Value	Rating	Vs. Average	Winnowl Insight
Engine Displacement	140 cc	Mediocre	12% worse	Entry-level displacement. Engines in this range (typically 140cc) lack the torque required for heavy-duty residential tasks.
Cutting Width	21 inches	Average	1% worse	Full-size residential benchmark. The 21-22 inch deck is the gold standard for balancing speed, storage, and handling.
Warranty	2 Years	Average	6% worse	Standard industry backing. This 2-year window is the baseline for most reputable residential gas mower brands.
Cutting Height Adjustment	6 settings	Average	3% worse	Standard residential precision. Provides enough versatility to handle everything from low spring cuts to tall summer maintenance.

Ranking Factors

Insights

Value Rank: #11 out of 15.
Performance Rank: #12 out of 15.
Winnowl Quadrant: Overpriced

Neutral

A Cutting Width of inches is about average (21.30 inches) but narrower than the widest in class at 24 inches.
A Cutting Height Adjustment of settings is about average (6.20 settings) but not as many as the class max of 8 settings.

Weaknesses

Shortest Warranty in its class at 0 Years, well below longest in class at 3 Years.
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 70	Mediocre	Strong	Average	$410.07	140 cc	21 inches	2 Years	6 settings
BILT HARD 21 Inch Self Propelled Gas Lawn Mower	STRONG 84	Strong	Exceptional	Average	$379.99	201 cc	21 inches	2 Years	8 settings
YARDMAX 24 in. Gas Walk Behind Self Propelled Lawn Mower	AVERAGE 76	Weak	Exceptional	Average	$602.42	201 cc	24 inches	2 Years	6 settings
Self Propelled Gas Lawn Mower	ELITE 45	Exceptional	Strong	Zero	$199.97	141 cc	21 inches	2 Years	6 settings