PowerSmart 21" 140cc Self Propelled Lawn Mower, 6-Position Adjustable Cutting Height, 3-in-1 with Mulching. Side Discharge. Rear Bagging, Easy Start

PowerSmart 21" 140cc Self Propelled Lawn Mower, 6-Position Adjustable Cutting Height, 3-in-1 with Mulching. Side Discharge. Rear Bagging, Easy Start

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PowerSmart | Gas Powered Self Propelled Lawn Mowers

MEDIOCRE
40
Winnowl Index

Winnowl Verdict

The PowerSmart 21" 140cc Self Propelled Lawn Mower just bottomed out our audit with a DEFICIENT (40) Winnowl Index—the kind of score we only see in "shelf-filler" products. This product fails across all three indicators where Average Brand Strength, Mediocre Performance, and Weak Value are strong reasons to consider a different product. The specs show the PowerSmart 21" 140cc Self Propelled Lawn Mower, 6-Position Adjustable Cutting Height, 3-in-1 with Mulching. Side Discharge. Rear Bagging, Easy Start has a Engine Displacement of 140 cc, which is 11% below the 156.50 class average and you will likely notice the engine struggling or "choking" when attempting to mulch thick grass or navigate uphill. We'd recommend you look at other Gas Powered Self Propelled Lawn Mowers with better Performance and stronger value.
Market Value Index
Weak
$389.00
Overpriced Fair High Value

Our audit identifies Weak Value because the $389.00 investment returns 43% less utility than the $382.96 average.

Performance Rating
Mediocre
Strengths
Neutrals
Weaknesses

This Mediocre Performance rating defines a massive deficit where hardware bottlenecks may mean you will likely notice the engine struggling or "choking" when attempting to mulch thick grass or navigate uphill due to the 140 cc Engine Displacement.

Brand Strength
Average
Trust
Reliability
Customer Service

The Average Brand Strength of PowerSmart is because of Mediocre Brand Trust and Average reliability compared to other Gas Powered Self Propelled Lawn Mowers.

Available At
Amazon
$389.00 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: #20 out of 29.
  • Performance Rank: #23 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" 140cc Self Propelled Lawn Mower
MEDIOCRE
40
Weak Mediocre Average $389.00 140 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