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Lawn Mowers under $400

All Lawn Mowers

10 lawn mowers under $400 from PowerSmart, Senix, Einhell and more. Most cost $340 to $389, and half cost less than $363.

Top brands: PowerSmart (4)Senix (4)

All filtersFilters (1)×
Power source: Gas  ×Clear all
BrandPowerSmart4Senix4Diyauzpb1
TypeSelf-propelled7Push2
Power sourceCordless electric10Gas10
Cutting width21 to 25 in717 to 20 in3
Clear allShow 10 Lawn Mowers
Power source: Gas  ×10 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Senix

Gas, 17 to 20 in

+125 cc four-stroke Briggs & Stratton engine
+20 in cutting width
+5-position cutting height
−Gas engine needs fuel and regular maintenance
$375.55
as of 11/04/2026 02:37 PST - Details
Senix

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort on the lawn
+Variable speed lets you adjust walking pace
+22-inch cutting deck within the 21 to 25 inch range
−Gas engine requires fuel and oil maintenance
$359.00-10%List: $399.00
as of 11/04/2026 02:37 PST - Details
PowerSmart

Push, Gas, 21 to 25 in

+Gas power suits larger lawns without a battery limit
+21 to 25 inch cutting width covers ground quickly
+140cc Briggs & Stratton 4-stroke engine
−Push design requires walking the full lawn
$398.32
as of 11/04/2026 00:44 PST - Details
Drrsbrp

Push, Gas, 17 to 20 in

+140cc 4-stroke engine for steady power
+Eight blade height settings
+Includes a 60 liter grass catcher
−Gas engine needs regular maintenance and fuel
$307.00
as of 11/03/2026 23:09 PST - Details
Diyauzpb

Self-propelled, Gas, 17 to 20 in

+140cc four-stroke gas engine
+Self-propelled drive for easier mowing
+15.85 gal collection bag included
−Gas engine needs fuel and regular maintenance
$365.10
as of 11/04/2026 02:37 PST - Details
PowerSmart

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort
+170cc 4-stroke OHV engine
+21 inch cutting width
−Gas engine requires fuel and oil maintenance
$339.99
as of 11/04/2026 00:44 PST - Details
Senix

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort on the lawn
+Six height settings for adjusting cut length
+22-inch cutting deck within the 21 to 25 inch range
−Single speed offers no adjustment to walking pace
−Gas engine requires fuel and oil maintenance
$389.00
as of 11/04/2026 02:37 PST - Details
Senix

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort on the lawn
+Six cutting height settings for adjusting cut length
+Mulching, side discharge and rear bagging functions included
−Gas engine requires fuel and oil maintenance
$379.99
as of 11/04/2026 02:37 PST - Details
PowerSmart

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort
+Rear-wheel drive for traction on slopes
+170cc engine for steady cutting power
$359.99
as of 11/04/2026 00:44 PST - Details
PowerSmart

Self-propelled, Gas, 21 to 25 in

+Self-propelled drive reduces pushing effort
+170cc 4-cycle OHV engine
+Mulch, bag, and rear discharge options
$359.99
as of 11/04/2026 00:44 PST - Details

Compare specs

lawn mowerTypePower sourceCutting widthSpec scorePrice
Gas17 to 20 inn/a$375.55
as of 11/04/2026 02:37 PST - Details
Self-propelledGas21 to 25 inn/a$359.00
as of 11/04/2026 02:37 PST - Details
PushGas21 to 25 inn/a$398.32
as of 11/04/2026 00:44 PST - Details
PushGas17 to 20 inn/a$307.00
as of 11/03/2026 23:09 PST - Details
Self-propelledGas17 to 20 inn/a$365.10
as of 11/04/2026 02:37 PST - Details
Self-propelledGas21 to 25 inn/a$339.99
as of 11/04/2026 00:44 PST - Details
Self-propelledGas21 to 25 inn/a$389.00
as of 11/04/2026 02:37 PST - Details
Self-propelledGas21 to 25 inn/a$379.99
as of 11/04/2026 02:37 PST - Details
Self-propelledGas21 to 25 inn/a$359.99
as of 11/04/2026 00:44 PST - Details
Self-propelledGas21 to 25 inn/a$359.99
as of 11/04/2026 00:44 PST - Details

Before you buy

Other price ranges

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Popular filters

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.