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The 6 Best Lawn Mowers for Hills of 2026, Ranked & Reviewed

By the Primea Editorial TeamUpdated November 1, 202610 min read6 products ranked
The 6 Best Lawn Mowers for Hills of 2026, Ranked & Reviewed

The short answer

The EGO POWER+ 21-inch self-propelled kit is the best lawn mower for hills: a cordless driven mower with battery and charger in the box, quiet starts and no fuel, in the $500+ range. The Greenworks 80V gives the same driven wheels for $200 to $500, and the SENIX adds a variable-speed gas drive. The Segway Navimow X430 is the robot.

The Primea Scoreboard

Ranked & Reviewed

  1. A cordless self-propelled kit that takes the strain out of slopes.

    94Outstanding
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  2. Self-propelled cordless power for much less than the EGO.

    91Excellent
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  3. Skips the walking entirely with 4WD and wire-free navigation.

    88Excellent
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  4. A big gas engine with a drive speed you can dial in.

    85Excellent
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  5. Self-propelled traction on a moderate slope without the premium.

    82Very Good
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  6. Rear-wheel drive that pushes from behind on a climb.

    79Very Good
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The usual hill mistake is buying a push mower and trusting your legs. On a slope a mower with no drive wheels feels twice as heavy, and the weight shifts back onto you on every uphill pass, which is how a ten minute job turns into a calf-burning chore. Drive type matters more than deck width or horsepower when the ground tilts.

We reviewed six mowers on paper, comparing drive system, power source, deck size and what each is built to handle. We ranked them on spec sheets and owner reports, not timed slope runs, and show price as a bucket. Four of the six are self-propelled walk-behinds, one is rear-wheel drive and one is a robot, so the order turns on how each puts power to the grass.

Before you buy

What Actually Matters

01

Drive type

Self-propelled mowers power the wheels so you do not push the weight uphill. Rear-wheel drive keeps traction when climbing, while 4WD grips in several directions. Check the listing for the drive wording, not just a general powerful claim, since a push mower in a self-propelled box wastes the money. A push mower on a slope tires you fast and can lose footing.

02

Gas vs cordless

Gas gives long runtime but needs oil and fuel. Cordless starts instantly and is quiet but is limited by battery capacity. Look for the battery size in Ah and decide against your lawn size and how long a charge needs to last on a slope. The Greenworks lists a 4Ah pack, and the EGO ships as a kit with battery and charger included.

03

Variable speed

A variable-speed drive lets you slow down on steep or uneven sections. A single-speed drive forces you to match its pace. The listing should say variable speed explicitly, as the SENIX does. On a slope, a slower pace gives you better footing and a cleaner cut, and a gentler drive saves your wrists.

04

Deck size

A 21 or 22 inch deck is a balance of coverage and handling. Wider decks finish faster but are harder to turn on slopes. Compare the inch figure with your lawn size and the narrowest gate. The SENIX and PowerSmart 22 inch cover more per pass, while the EGO, Greenworks and rear-drive PowerSmart are 21 inches.

05

Slope claims

Makers sometimes state a maximum slope angle or percentage. These are manufacturer figures and not independent tests. Treat them as an upper limit and stay well under it for safety. The Segway states 84 percent, and most walk-behinds state nothing. Read the manual's slope guidance before your first pass, and mow when the grass is dry.

In-depth reviews

Our Ranked Picks, Reviewed

1

Best Overall

EGO POWER+ 21-Inch Self-Propelled Mower Kit (LM2135SP)

Our verdict: A cordless self-propelled kit that takes the strain out of slopes.

The EGO POWER+ is a 21-inch cordless self-propelled mower sold as a kit with battery and charger. It falls in the $500+ range and removes both gas and cord from the equation. Powered wheels pull the mower up a hill so your arms only steer, which cuts the effort that makes slopes exhausting. Cordless starts are instant, so there is no pull cord to yank on a slope.

It ranks above the Greenworks because owners treat it as the more polished cordless option on a maintained hilly lawn, though it costs noticeably more. Compared with the gas SENIX below, you give up unlimited refueling but gain quiet starts and no maintenance.

Choose it if your lawn is hilly but groomed and you want hassle-free starts. The caveat is the battery, since a very large sloped yard may need a spare. Skip it if you want to spend under $500.

Deck
21-inch
Drive
Self-propelled
Power
Cordless battery
Included
Battery and charger

What we like

  • +Self-propelled drive
  • +Cordless, no gas needed
  • +Battery and charger included
  • +Quiet easy starts

Watch out for

  • −Costs the most here
  • −Big yards may need spare

Buy it if: Owners of a maintained hilly lawn who want cordless ease.

Skip it if: You have a very large yard or want to spend under $500.

2

Best Cordless Value

Greenworks 80V 21-Inch Self-Propelled Mower

Our verdict: Self-propelled cordless power for much less than the EGO.

The Greenworks is a 21-inch self-propelled mower on an 80V platform, supplied with a 4Ah battery and charger. It sits in the $200 to $500 range. The driven wheel set is what matters on a hill, and the 80V platform sits at the high end of cordless lines. A 4Ah battery, though, defines how much slope you can mow per charge.

Second comes down to this: it gives you the same core hill benefit as the EGO, a driven wheel set, at a lower price. The tradeoff is that the EGO is the more premium cordless line. Against the SENIX, it avoids oil and fuel.

It suits sloped residential lawns where you want cordless without the top-tier price. The caveat is the 4Ah battery, which limits runtime on a big or thick lawn. Skip it if you mow over half an acre on one charge.

Deck
21-inch
Voltage
80V
Battery
4Ah included
Drive
Self-propelled

What we like

  • +Self-propelled drive
  • +80V battery and charger included
  • +Lower price than EGO
  • +No gas or cord

Watch out for

  • −4Ah limits big lawns
  • −Less premium than EGO

Buy it if: Residential slopes where cordless value matters most.

Skip it if: You mow over half an acre on one charge.

3

Best Robot Mower

Segway Navimow X430 Wire-Free Robot Mower

Our verdict: Skips the walking entirely with 4WD and wire-free navigation.

The Segway Navimow X430 is a robot mower with wire-free navigation for up to 1 acre and 4WD that the manufacturer states for 84 percent slopes. It falls in the $500+ range. Four-wheel drive spreads traction across all wheels, and zero-turn steering avoids tearing turf on a slope. You never walk the hill at all.

It ranks third because it is a different kind of buy. It beats every walk-behind on effort, but it cannot clear thick or tall growth the way a push mower can, and it costs far more than the gas options. Against the EGO, it saves labor but not grass height.

It suits owners with an obstacle-clear sloped lawn who never want to push again. The caveat is that the slope rating is the manufacturer's claim, so treat it as a ceiling, not a guarantee. Skip it if your lawn has many obstacles or gets very tall.

Coverage
Up to 1 acre
Drive
4WD
Slope claim
84% (maker stated)
Steering
Zero-turn

What we like

  • +No walking the slope
  • +Wire-free navigation
  • +4WD for traction
  • +Zero-turn steering

Watch out for

  • −Slope claim is maker-stated
  • −High cost

Buy it if: Obstacle-clear sloped lawns where you want hands-off mowing.

Skip it if: Your lawn has many obstacles or gets very tall.

4

Best Gas Variable Speed

SENIX 201cc 22-Inch Variable Speed Self-Propelled Mower

Our verdict: A big gas engine with a drive speed you can dial in.

The SENIX pairs a 201cc gas engine with a 22-inch deck and a variable-speed self-propelled drive. It sits in the $200 to $500 range. A variable-speed drive lets you slow the mower down on steep sections and speed up on flat strips, which a single-speed drive cannot do. Gas gives unlimited runtime on big lawns.

The fourth slot reflects that it is more powerful than the PowerSmart gas mowers below and lets you slow the drive on steep sections, but it is heavier and louder than the cordless trio above. Against the Greenworks, it adds a bigger deck and trades quiet for runtime.

It suits owners who prefer gas runtime and want control over walking speed. The caveat is routine engine upkeep like oil and fuel, which cordless mowers avoid. Skip it if you want no fuel or oil maintenance.

Engine
201cc gas
Deck
22-inch
Drive
Variable speed
Type
Self-propelled

What we like

  • +Variable speed drive
  • +Large 201cc engine
  • +Wide 22-inch deck
  • +Gas runtime, no battery

Watch out for

  • −Needs engine upkeep
  • −Louder than cordless

Buy it if: Gas-mower fans who want adjustable walking pace.

Skip it if: You want no fuel or oil maintenance.

5

Best Budget Gas

PowerSmart 22-Inch 170cc Self-Propelled Gas Mower

Our verdict: Self-propelled traction on a moderate slope without the premium.

The PowerSmart 22-inch uses a 170cc gas engine, a 22-inch deck and a self-propelled drive. It lands in the $200 to $500 range. A driven wheel set is a step better than a push mower on a moderate hill, because the engine moves the mower and you steer.

It ranks fifth because it lacks the variable-speed control of the SENIX, so you walk at one pace. Single speed can feel too quick on a steep section or too slow on flat ground. Against the rear-wheel-drive PowerSmart, it has a wider deck and fewer slope-specific features.

It suits budget buyers with a moderately sloped lawn. The caveat is that the single-speed drive can feel wrong for the terrain. Skip it if your slopes are steep or you want speed control.

Engine
170cc gas
Deck
22-inch
Drive
Self-propelled
Slope fit
Moderate

What we like

  • +Self-propelled drive
  • +Wide 22-inch deck
  • +Gas runtime
  • +Budget friendly

Watch out for

  • −No variable speed
  • −Better for moderate slopes

Buy it if: Budget buyers with moderate slopes.

Skip it if: Your slopes are steep or you want speed control.

6

Best Rear-Wheel Drive Gas

PowerSmart 21-Inch Rear-Wheel Drive Gas Mower for Hills

Our verdict: Rear-wheel drive that pushes from behind on a climb.

This PowerSmart has a 170cc OHV engine, a 21-inch alloy steel deck and rear-wheel drive. It sits in the $200 to $500 range. Rear-wheel drive pushes from behind and keeps weight over the powered wheels going uphill, where a front-drive mower tends to lift its nose and slip.

It ranks last because the narrower deck means more passes, and the picks above offer more features. Rear-wheel drive is its real argument, since driving from the back keeps traction on a climb. Against the other PowerSmart, it trades a wider deck for better hill grip.

Buy it if you want a gas mower built with slopes in mind. The caveat is the smaller deck, which adds time on a big lawn. Skip it if you have a large lawn and want a wider deck.

Engine
170cc OHV
Deck
21-inch alloy steel
Drive
Rear-wheel
Fuel
Gas

What we like

  • +Rear-wheel drive uphill
  • +Alloy steel deck
  • +OHV gas engine
  • +Affordable

Watch out for

  • −Narrower deck
  • −Fewer features

Buy it if: Gas buyers who want rear-drive traction on slopes.

Skip it if: You have a large lawn and want a wider deck.

Methodology

How We Ranked These

Drive system

Self-propelled, rear-wheel and 4WD drives were ranked above no-drive designs for slope use.

Power source

Cordless, gas and robot options were compared for runtime, upkeep and noise.

Deck width

Wider decks cut passes, which means fewer trips across a slope.

Slope suitability

We looked at what each maker says the mower is built for and treated claims as claims.

Value for the bucket

Features were weighed against the price bucket each mower falls in.

Every Primea Score uses the same weights: Performance 30% · Build & Materials 20% · Everyday Usability 20% · Value 20% · Owner Satisfaction 10%. Full scoring rules

Buyer's guide

How to Pick the Right One for You

By Drive Type

Drive type decides how much work the hill is.

SituationOur pick
Cordless, well-kept lawnEGO POWER+ 21-Inch Self-Propelled
Cordless on a tighter budgetGreenworks 80V 21-Inch Self-Propelled
Climbing with rear tractionPowerSmart 21-Inch Rear-Wheel Drive
Hands-off, no walkingSegway Navimow X430

By Budget

SpendOur pick
$200 to $500 (cordless)Greenworks 80V 21-Inch Self-Propelled
$200 to $500 (gas)SENIX 201cc Variable Speed
$200 to $500 (cheapest gas)PowerSmart 22-Inch 170cc
$500+EGO POWER+ 21-Inch Self-Propelled

Gas vs Cordless

Gas

Gas has unlimited runtime if you refuel, but needs maintenance. The SENIX and both PowerSmart mowers are gas.

Cordless

Cordless is quiet and easy to start, limited by battery. The EGO POWER+ and Greenworks fit this group.

Most buyers should default to cordless unless the lawn is large.

By Lawn Size

LawnOur pick
Small sloped yardGreenworks 80V 21-Inch Self-Propelled
Medium, wants speed controlSENIX 201cc Variable Speed
Up to 1 acre, automatedSegway Navimow X430
Moderate slope, budgetPowerSmart 22-Inch 170cc

For Steep Yards Specifically

Look for

Driven wheels, ideally rear or 4WD, plus variable speed so you can slow down on the steepest sections.

In this ranking

The Segway Navimow X430 is the 4WD option, the PowerSmart RWD drives from behind, and the SENIX has variable speed.

When to Spend More

Spend more if

You value cordless convenience or want to stop mowing manually, which points to the EGO POWER+ or Segway Navimow.

Save if

Your slopes are moderate, where the PowerSmart 22-Inch gives you drive at the lowest price.

Questions

Frequently Asked Questions

Can I mow a steep hill safely with any mower?+

No. Follow the maker's slope limit, wear shoes with grip, and mow across the slope with a walk-behind unless the manual says otherwise. Stop if the footing feels unsafe, and never mow wet grass on a hill, where wheels slip. Keep clear of the discharge side.

What is the biggest mistake on slopes?+

Buying a mower with no drive wheels. The weight falls on your arms and the climb tires you quickly, which makes any self-propelled model a safer choice. Start with the EGO, Greenworks or SENIX.

Is the EGO worth it over the Greenworks?+

Only if you want the more premium cordless line. The Greenworks delivers the same hill-friendly drive for less, and it uses an 80V pack with a 4Ah battery, which is enough for most residential slopes. The EGO adds polish.

Does the Segway need a boundary wire?+

The listing says wire-free navigation, so no. You still need a clear lawn without many obstacles, and a slope that suits its stated rating. Check the Navimow's app for no-go zones near edges and drops.

How do I maintain a gas mower?+

Change the oil, check the air filter and use fresh fuel each season. Store it with the tank handled per the manual, and clean the deck underside after use. Disconnect the spark plug first for safety.

Can a robot handle tall grass?+

Robots are made for regular trims, not for thick or overgrown lawns. Keep the grass short for best results with the Segway, and use a walk-behind for the first cut, then let the robot maintain it. Do not rely on it for brush.

Final take

Buy the EGO POWER+ for a groomed hilly lawn if budget allows, and the Greenworks 80V for the same hill-friendly drive at a lower price. Pick the SENIX for a gas mower with adjustable pace, and the PowerSmart models on a tighter budget. Take the Segway only for an obstacle-clear slope. Whatever you buy, respect the maker's slope limit.

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