Self propelled lawn mowers make cutting the grass easier, faster, and far less tiring. Homeowners love models like the Greenworks 80V 21-inch brushless, SENIX 21-inch gas, BILT HARD 21-inch gas, and PowerSmart 22-inch gas for strong power and steady traction.
Smaller yards work well with lighter cordless options such as the Greenworks 48V combo, the 40V 18.5-inch mower, or the 80V mower and blower sets. A compact 21-inch gas unit rounds out the list, giving plenty of trusted choices for any yard size.
| Greenworks 80V 21″ Brushless Self-Propelled Cordless Lawn Mower |
| Best Overall | Power Source / Engine: 80V brushless cordless electric (4.0Ah battery) | Cutting Width: 21-inch steel deck | Drive Type: Self-propelled, rear-wheel drive | VIEW LATEST PRICE | Read Our Analysis |
| SENIX 21″ Gas Self-Propelled Lawn Mower |
| Reliable Gas Pick | Power Source / Engine: 140cc 4-cycle Briggs & Stratton gas engine | Cutting Width: 21-inch cutting width | Drive Type: Self-propelled, single-speed | VIEW LATEST PRICE | Read Our Analysis |
| BILT HARD 21″ Self-Propelled Gas Lawn Mower |
| Heavy-Duty Power | Power Source / Engine: 201cc 4-stroke OHV gas engine | Cutting Width: 21-inch steel deck | Drive Type: Self-propelled, rear-wheel drive, single-speed | VIEW LATEST PRICE | Read Our Analysis |
| Greenworks 48V Cordless Lawn Mower Trimmer & Blower |
| Best Combo Kit | Power Source / Engine: 48V cordless electric system (mower in combo kit) | Cutting Width: 21-inch steel deck (mower) | Drive Type: Self-propelled mower | VIEW LATEST PRICE | Read Our Analysis |
| PowerSmart 22-Inch Self-Propelled Gas Lawn Mower |
| Large Lawn Performer | Power Source / Engine: 150cc Briggs & Stratton EX625 gas engine | Cutting Width: 22-inch steel deck | Drive Type: Self-propelled, rear-wheel drive | VIEW LATEST PRICE | Read Our Analysis |
| Cordless Self-Propelled 40V Electric Lawn Mower 18.5 |
| Tech-Savvy Choice | Power Source / Engine: 40V cordless electric (2x20V) brushless motor | Cutting Width: 18.5-inch cutting width | Drive Type: Self-propelled with variable speed (1.3–2.9 MPH) | VIEW LATEST PRICE | Read Our Analysis |
| Greenworks 80V Self-Propelled Lawn Mower & Leaf Blower |
| Premium Cordless Set | Power Source / Engine: 80V brushless cordless electric (4.0Ah battery) | Cutting Width: 21-inch steel deck | Drive Type: Self-propelled mower | VIEW LATEST PRICE | Read Our Analysis |
| Self-Propelled Gas Lawn Mower with 21″ Steel Deck |
| Powerful Budget Gas | Power Source / Engine: 170cc 4-stroke OHV gas engine | Cutting Width: 21-inch steel deck | Drive Type: Self-propelled drive system | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Greenworks 80V 21″ Brushless Self-Propelled Cordless Lawn Mower
In case you’re tired of wrestling with a heavy gas mower, the Greenworks 80V 21″ Brushless Self Propelled Cordless Lawn Mower can feel like a real relief. You just pop in the 4.0Ah battery, hit the push button start, and you’re moving. No pulling cords, no fumes, no oil changes.
You get up to 45 minutes of runtime, and the brushless motor gives strong, quiet power. The 21 inch steel deck covers a lot of yard, while SmartCut adjusts power whenever grass gets thick. You can mulch, bag, or side discharge, adjust one lever for height, then store it upright to save space.
- Power Source / Engine:80V brushless cordless electric (4.0Ah battery)
- Cutting Width:21-inch steel deck
- Drive Type:Self-propelled, rear-wheel drive
- Cutting Height Range:7-position single-lever adjustment (range not numerically specified)
- Grass Handling (Functions):3-in-1: mulch, rear bag, side discharge
- Deck / Construction Material:21-inch durable steel deck
- Additional Feature:SmartCut automatic power adjustment
- Additional Feature:Vertical space-saving storage
- Additional Feature:Push-button electric start
SENIX 21″ Gas Self-Propelled Lawn Mower
Power and simplicity come together in the SENIX 21″ Gas Self-Propelled Lawn Mower, making it a smart choice should you want a strong, low-fuss machine for a small to medium yard. You get a 140 cc Briggs & Stratton engine that starts easily with Prime N Pull, so you’re not yanking the cord all afternoon.
The 21 inch deck and 3-in-1 setup let you mulch, bag, or side discharge depending on your lawn’s needs. With six height settings and big 8 and 11 inch wheels, you handle rough spots confidently. The ergonomic handle, 16 gallon bag, and 2-year warranty add real everyday comfort and security.
- Power Source / Engine:140cc 4-cycle Briggs & Stratton gas engine
- Cutting Width:21-inch cutting width
- Drive Type:Self-propelled, single-speed
- Cutting Height Range:6-position dual-lever, 1.25–3.75 inches
- Grass Handling (Functions):3-in-1: mulching, side discharge, rear bagging
- Deck / Construction Material:Metal cutting deck (21-inch; standard mower construction)
- Additional Feature:Prime N Pull starting
- Additional Feature:Low-vibration engine design
- Additional Feature:16-gallon collection bag
BILT HARD 21″ Self-Propelled Gas Lawn Mower
BILT HARD’s 21-inch self-propelled gas mower fits you perfectly in case you want strong cutting power without feeling like you’re wrestling a heavy machine across the yard. You get a wide 21-inch steel deck, so you cover more grass with every pass and spend less time outside in the heat. With 3-in-1 mowing, you can mulch, bag, or side discharge depending on your lawn’s needs.
You’ll feel the 201cc 4-stroke engine pull you forward with steady rear-wheel drive. The single lever controls 8 cutting heights, while the foam-wrapped handle and easy no-choke start keep every mow simple and comfortable.
- Power Source / Engine:201cc 4-stroke OHV gas engine
- Cutting Width:21-inch steel deck
- Drive Type:Self-propelled, rear-wheel drive, single-speed
- Cutting Height Range:8-position single-lever, 1.2–3.75 inches
- Grass Handling (Functions):3-in-1: mulching, side discharge, rear bagging
- Deck / Construction Material:21-inch steel deck
- Additional Feature:High-torque 201cc engine
- Additional Feature:Foam-wrapped angled handle
- Additional Feature:No-choke, no-primer start
Greenworks 48V Cordless Lawn Mower Trimmer & Blower
Busy homeowner, meet the all‑in‑one helper that actually keeps up with you: the Greenworks 48V Cordless Lawn Mower, Trimmer & Blower set is ideal should you want gas-like power without fumes, pull cords, or sore arms at the end of the day. You get a quiet brushless mower that still muscles through tough grass with a 21 inch steel deck and climbs slopes up to 21 degrees.
The self‑propel, push‑button start, single‑lever height adjustment, and LED headlights make mowing feel lighter and faster. Then you switch to the 12 inch trimmer and compact blower, both battery friendly and easy on your hands.
- Power Source / Engine:48V cordless electric system (mower in combo kit)
- Cutting Width:21-inch steel deck (mower)
- Drive Type:Self-propelled mower
- Cutting Height Range:7-position, 1 3/8–4 inches
- Grass Handling (Functions):4-in-1: rear bag, mulch, side discharge, Turbo mode
- Deck / Construction Material:21-inch durable steel mower deck
- Additional Feature:Includes trimmer and blower
- Additional Feature:Turbo button mowing mode
- Additional Feature:LED headlights on mower
PowerSmart 22-Inch Self-Propelled Gas Lawn Mower
Should you want a mower that actually helps you push through thick grass instead of fighting against you, this 22-inch self-propelled gas model from PowerSmart will feel like a real partner in your yard. You get a Briggs and Stratton EX625 150cc engine, so the power feels steady, not shaky or weak. ReadyStart technology lets you start it without fuss, which really helps on hot days or rushed mornings.
The rear wheel drive pulls you forward, so hills and bumpy spots feel less exhausting. A single lever adjusts six cutting heights, while the heavy-duty blade, mulching, and 1.4-bushel bag keep your lawn clean and healthy.
- Power Source / Engine:150cc Briggs & Stratton EX625 gas engine
- Cutting Width:22-inch steel deck
- Drive Type:Self-propelled, rear-wheel drive
- Cutting Height Range:6-position single-lever, 1.5–3.9 inches
- Grass Handling (Functions):3-in-1: mulching, rear discharge, bagging
- Deck / Construction Material:Durable steel deck
- Additional Feature:ReadyStart easy ignition
- Additional Feature:Ultra-fine cutting blade
- Additional Feature:Large 1.4-bushel bag
Cordless Self-Propelled 40V Electric Lawn Mower 18.5
In case you want a light, easy mower that still feels strong and modern, the Cordless Self-Propelled 40V Electric Lawn Mower with an 18.5 inch deck fits that sweet spot. You get a quiet brushless motor, a 40V system using two 20V batteries, and a weight of only 44 pounds, so you don’t feel worn out after mowing.
You’ll notice the Easysurge tech right away, because it pushes up to 4100 RPM and glides over thick grass without choking. The self-propelled drive lets you set your pace between 1.3 and 2.9 MPH, so hills and longer sessions feel manageable.
- Power Source / Engine:40V cordless electric (2x20V) brushless motor
- Cutting Width:18.5-inch cutting width
- Drive Type:Self-propelled with variable speed (1.3–2.9 MPH)
- Cutting Height Range:6-position electric adjustment, 2.5–15 cm (approx. 1–5.9 inches)
- Grass Handling (Functions):3-in-1 (implied standard mower system; specific modes not detailed)
- Deck / Construction Material:Plastic deck / housing
- Additional Feature:Electric height adjustment control
- Additional Feature:Easysurge high-speed motor
- Additional Feature:Compact T-handle folding
Greenworks 80V Self-Propelled Lawn Mower & Leaf Blower
In case you want a strong, low-hassle setup that handles both mowing and clean up, the Greenworks 80V Self-Propelled Lawn Mower & Leaf Blower combo is built for you. You get a 21 inch stainless steel deck, self-propelled drive, and a 580 CFM axial blower that clears leaves fast. The 80V brushless motor delivers solid power without gas fumes or pull cords.
You can switch between mulching, rear bagging, and side discharge, so your yard looks exactly how you like it. The 4.0Ah battery works across 75+ tools, charges in about 60 minutes, and even has USB for small devices.
- Power Source / Engine:80V brushless cordless electric (4.0Ah battery)
- Cutting Width:21-inch steel deck
- Drive Type:Self-propelled mower
- Cutting Height Range:7-position, 1.38–3.75 inches
- Grass Handling (Functions):3-in-1: mulch, rear bagging, side discharge
- Deck / Construction Material:21-inch stainless steel deck
- Additional Feature:580 CFM axial blower
- Additional Feature:USB-compatible battery pack
- Additional Feature:Four-year included warranty
Self-Propelled Gas Lawn Mower with 21″ Steel Deck
Powerful yet easy to handle, the AMERISUN AV8621S1 self-propelled gas mower with its 21 inch steel deck fits you best in case you want strong cutting power without pushing a heavy machine up and down the yard. The 170cc 4 stroke OHV engine gives you solid force, and the forced air cooling helps it stay steady in dense or tall grass.
You can switch between six cutting heights from 1.5 to 3.9 inches, so your lawn matches the season and your style. The 3 in 1 setup lets you mulch, side discharge, or bag clippings in the 1.4 bushel catcher.
- Power Source / Engine:170cc 4-stroke OHV gas engine
- Cutting Width:21-inch steel deck
- Drive Type:Self-propelled drive system
- Cutting Height Range:6-position, 1.5–3.9 inches
- Grass Handling (Functions):3-in-1: mulching, side discharge, bagging
- Deck / Construction Material:21-inch alloy steel deck
- Additional Feature:Forced-air cooling system
- Additional Feature:No assembly required
- Additional Feature:1.4-bushel grass catcher
Factors to Consider When Choosing a Lawn Mower Self Propelled
Whenever someone chooses a self propelled lawn mower, a few key factors quietly shape how happy they will be with it week after week. Yard size and terrain, power source, cutting width and height, and the drive system with its speed all affect how hard the mower must work and how easy it feels to handle. It also helps to consider ahead about maintenance and storage needs so the mower stays reliable without adding extra stress to a busy life.
Yard Size and Terrain
Although it could seem like all lawns are the same at initial glance, yard size and terrain quietly decide what kind of self propelled mower will actually feel easy and comfortable to use. A homeowner with a small, flat yard usually feels happiest with a lighter mower that turns easily, tucks into a corner, and still cuts cleanly.
As yards get larger, a wider cutting deck, often 21 inches or more, helps cover more ground without feeling endless. At the point the lawn is rough or bumpy, rear wheel drive and good traction keep the mower steady instead of sliding or bouncing. During hills, a strong drive system matters even more, and variable speed lets the person slow down, stay safe, and still get an even cut.
Power Source Options
Even before looking at brands or features, the power source of a self propelled mower quietly shapes how it will feel to use week after week. It affects how heavy the mower feels, how often it stops, and how much care it needs.
Gas engines usually bring higher torque and long runtimes, so they handle big or thick lawns without slowing. However, they need fuel, oil, and tune ups, which can feel like one more chore.
Cordless battery models feel simpler. They start instantly, run quietly, and create no direct exhaust in the yard. Voltage matters here. Higher voltage, like 80V instead of 40V, usually means more torque and longer cutting time, especially with efficient brushless motors that stretch 30 to 45 minute runtimes.
Cutting Width and Height
Choosing the right cutting width and height on a self propelled mower quietly shapes how every mowing day will feel, from how long it takes to finish to how healthy the grass looks afterward. Cutting width usually falls between about 18.5 and 22 inches. A wider deck suits bigger yards, because each pass covers more ground and saves time. A narrower width helps in tight spaces, around trees, beds, and curves, where control matters more than speed.
Cutting height matters just as much. Many models offer several settings from roughly 1.2 to 4 inches. With single lever or electric height controls, the homeowner can quickly adjust for seasons, heat, shade, or rough spots, supporting thicker roots, fewer weeds, and a lawn that feels comfortable to walk on.
Drive System and Speed
Once the cutting width and height feel right, the next thing that quietly decides how tiring mowing will be is the drive system and speed. Here, small details can decide whether the yard feels manageable or exhausting.
Rear wheel drive usually gives better traction on slopes and bumpy areas, so it suits hilly or uneven lawns. Front wheel drive can feel easier to turn, especially around beds and trees.
Self propulsion helps the mower pull itself forward, which protects knees, backs, and energy on larger yards. Variable speed control lets someone match the mower to a natural walking pace, instead of rushing or dragging. A single speed model stays simple and predictable, but it offers less flexibility. Power and weight balance also shape how easily the mower responds.
Maintenance and Storage Needs
While power and cutting performance often get most of the attention, maintenance and storage needs quietly shape how stress-free a self-propelled mower will feel year after year. At the point that someone chooses between gas and cordless models, this is where daily life really changes.
Cordless electric mowers feel almost effortless. There is no gas smell, no oil to change, and no spark plugs to replace. Owners mainly keep the battery charged, store it in a dry place, and brush off grass from the deck.
Gas self-propelled mowers ask for more care. They need regular oil changes, clean air filters, and spark plug checks. In small garages, vertical storage becomes a big relief, saving serious floor space while still protecting the mower.
