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

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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PowerSmart | Gas Powered Self Propelled Lawn Mowers

DEFICIENT
40
Winnowl Index

Winnowl Verdict

The PowerSmart 21-Inch Gas Self-Propelled Lawn Mower currently holds a DEFICIENT (40) Winnowl Index, signaling a total lack of Performance for in the Gas Powered Self Propelled Lawn Mowers class. This product is outclassed across the board with Average Brand Strength, Mediocre Performance and a Weak Value rating. The data shows 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 has a Engine Displacement of 140 cc, which sits 11% below the 156.50 cc average meaning you will likely notice the engine struggling or "choking" when attempting to mulch thick grass or navigate uphill. Walk away from this Consistent Lagger; paying $410.07 for a product a where the Performance is 45% below the average is not a good purchase.
Market Value Index
Weak
$410.07
Overpriced Fair High Value

The Weak Value rating identifies a total loss of efficiency where the $410.07 cost is 46% behind the $382.96 class baseline.

Performance Rating
Mediocre
Strengths
Neutrals
Weaknesses

A Mediocre Performance rating is to due specs like the 140 cc Engine Displacement which is 11% below the class mean, which may mean 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

Data for PowerSmart confirms the Average Brand Strength is 18% above other Gas Powered Self Propelled Lawn Mowers.

Available At
Amazon
$410.07 View Deal

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 5% worse Standard residential precision. Provides enough versatility to handle everything from low spring cuts to tall summer maintenance.
Warranty 2 Years
Average 3% worse Standard industry backing. This 2-year window is the baseline for most reputable residential gas mower brands.

Ranking Factors

Insights

  • Value Rank: #23 out of 29.
  • Performance Rank: #24 out of 29.
  • Winnowl Quadrant: Budget

Neutral

  • A Cutting Width of inches is about average (21.33 inches) but narrower than the widest in class at 24 inches.
  • A Warranty of Years is about average 2.07 Years but below best in class at 3 Years.
  • A Cutting Height Adjustment of settings is about average (6.31 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
DEFICIENT
40
Weak Mediocre Average $410.07 140 cc
21 inches
2 Years
6 settings
SENIX LSPQR2-M1 Gas Powered Self Propelled Lawn Mower
ELITE
91
Exceptional Strong Average $449.00 201 cc
22 inches
3 Years
6 settings
PowerSmart PSM2522PH Gas Powered Self Propelled Lawn Mower
STRONG
76
Exceptional Strong Average $299.99 170 cc
22 inches
2 Years
6 settings