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Lawn Mowers under $400

All Lawn Mowers

26 lawn mowers under $400 from PowerSmart, Senix, Einhell and more. Most cost $327 to $399, and half cost less than $363.

Top brands: PowerSmart (4)Senix (4)

Greenworks

Push, Cordless electric, 17 to 20 in, 36 to 48 V

+Brushless motor for longer motor life
+Includes two 4.0Ah batteries in the kit
+Dual port charger included
$329.99-31%List: $479.99
as of 11/03/2026 23:16 PST - Details
Greenworks

Push, Cordless electric, 17 to 20 in, 56 to 60 V

+Brushless motor for longer motor life
+Cordless electric power with no gas needed
+Includes 4.0Ah battery and charger
$399.99-11%List: $449.99
as of 11/03/2026 23:16 PST - Details
Craftsman

Push, Cordless electric, 17 to 20 in, Up to 24 V

+Cordless design moves without a power cord
+Brushless motor for efficient operation
+Two 5Ah batteries included
−Runtime depends on battery charge
$349.00
as of 11/03/2026 22:30 PST - Details
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
Makita

Cordless electric, Up to 24 V

+Cordless electric power means no gas or cords
+Runs on up to 24 V for mowing
+Uses the Makita 18V Li-ion LXT battery platform
−Batteries and charger are not included with the mower
$345.00-28%Was: $479.90
as of 11/04/2026 00:05 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
Gardena

Robotic

+Robotic mower that cuts the lawn automatically without manual operation
+Cuts grass from 1 to 4 inches in height
+Engineered in Germany for challenging lawns
−Needs a boundary wire installed around the lawn before use
$308.33-6%Was: $327.88
as of 11/03/2026 23:08 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
Ryobi

Cordless electric, Up to 24 V

+33 cm cutting width
+18V ONE+ battery platform
+Five-level cutting height adjustment
−Battery and charger not included
$399.99
as of 11/04/2026 01:37 PST - Details
Yardcare

Robotic

+Robotic design mows on its own without manual pushing
+Visual navigation helps it find its way around the yard
+Smart obstacle avoidance reduces bumps into objects
−Requires charging and a defined mowing area to operate
$349.99
as of 11/04/2026 08:41 PST - Details
Gardena

Reel, Cordless electric

+33 cm cutting width for a manageable pass size
+Cordless design with no cord to manage
+Reel cutting action for a clean cut
−Manual push operation requires physical effort on each pass
$313.44
as of 11/03/2026 23:07 PST - Details
Alpina

Push

+Electric power with no gas or fuel needed
+38 cm cutting width
+Three adjustable cutting height positions
−Push design requires manual pushing
$383.35
as of 11/04/2026 11:37 PST - Details
Einhell

Cordless electric, Up to 24 V

+Cordless electric power with no gas or oil needed
+Brushless motor for the drive system
+30 cm cutting width for small lawns
−Narrow 30 cm deck is slow on larger lawns
$381.10
as of 11/03/2026 22:48 PST - Details
Einhell

Cordless electric, Up to 24 V

+Brushless motor for a more efficient cordless drive
+30cm cutting width for smaller lawns
+25L grass box for collecting clippings
−Only 30cm cutting width, narrower than most mowers
$326.55
as of 11/03/2026 22:48 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
+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
Metabo

Cordless electric, Up to 24 V

+Cordless electric operation with no fuel or cord
+18 V battery platform for cordless tools
+Suited to precise cuts on shrubs and lawn edges
$365.00
as of 11/04/2026 00:10 PST - Details

Compare specs

lawn mowerTypePower sourceCutting widthSpec scorePrice
PushCordless electric17 to 20 inn/a$329.99
as of 11/03/2026 23:16 PST - Details
PushCordless electric17 to 20 inn/a$399.99
as of 11/03/2026 23:16 PST - Details
PushCordless electric17 to 20 inn/a$349.00
as of 11/03/2026 22:30 PST - Details
Gas17 to 20 inn/a$375.55
as of 11/04/2026 02:37 PST - Details
Cordless electricn/a$345.00
as of 11/04/2026 00:05 PST - Details
Roboticn/a$399.99
as of 11/03/2026 23:51 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
Roboticn/a$308.33
as of 11/03/2026 23:08 PST - Details
Self-propelledGas21 to 25 inn/a$339.99
as of 11/04/2026 00:44 PST - Details

Before you buy

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