By the HMNDP Editorial Team, independent reporting on lawn care and the green-industry business.
Last reviewed: June 2026
The short answer: when and what to buy in a gas lawn mower sale
The cheapest gas lawn mower sale runs from late August through November, when retailers clear last season’s inventory at 30 to 50 percent off. A good push-mower sale price lands in the $230 to $300 band; a self-propelled 21-inch model is a deal under $360. Spring is the worst time to buy. Holiday weekends (Memorial Day, Labor Day, Black Friday) are mid-season dips, not the floor.
Below is the timing calendar, a real price-benchmark table by mower class, the total cost of owning a gas mower, and how to tell a genuine markdown from an inflated “was” price. Cross-check every deal against this before you check out.
When do gas lawn mowers go on sale? The seasonal price cycle
Gas lawn mowers hit their lowest prices from late August through November during end-of-season clearance, when stores discount 30 to 50 percent to move floor models before winter. Spring (March to May) carries the year’s highest prices because demand peaks. Three holiday weekends, Memorial Day, Labor Day, and Black Friday, deliver mid-season dips of 10 to 25 percent.
This single fact saves more money than any retailer choice. A mower listed at $329 in April routinely drops to $199 to $229 by October. Retailers do not advertise this cycle because spring is when they want you buying at full price.
| Window | Typical discount | Why | Buy here? |
|---|---|---|---|
| March to May (spring) | 0 to 10% off | Peak demand, fresh inventory | Avoid unless you need it now |
| Memorial Day (late May) | 10 to 20% off | First holiday promo | Decent mid-season dip |
| July (mid-summer lull) | 10 to 15% off | Demand softens | Okay |
| Labor Day (early Sept) | 15 to 25% off | Season winding down | Strong |
| Late Aug to Nov (clearance) | 30 to 50% off | End-of-season liquidation | Best prices of the year |
| Black Friday (late Nov) | 20 to 40% off | Doorbusters on remaining stock | Best for selection plus price |
The trade-off: by November, popular 21-inch self-propelled models sell out. Best price and best selection rarely overlap. Labor Day is the sweet spot when you want both.
What is the best month to buy a gas lawn mower?
September and October are the best months to buy a gas lawn mower. Retailers run Labor Day promotions in early September, then roll into deeper end-of-season clearance through October as they free up floor space. Expect 25 to 50 percent off versus spring pricing. October offers the steepest markdowns; September offers a better balance of price and in-stock selection.
If you can wait, buy your mower in fall for next spring. Storing it over winter with stabilized fuel or a drained tank costs nothing and locks in the year’s lowest price.
Real price benchmarks: what a good gas lawn mower sale price looks like
A good gas mower sale price depends on class. Entry gas push mowers (140cc to 160cc, 20 to 21-inch deck) are a deal at $200 to $280. Self-propelled models (149cc to 190cc, 21-inch deck) are worth buying at $300 to $400 on sale. Premium Honda or Toro self-propelled units run $400 to $500 even discounted. Anything below these floors is a strong clearance find.
| Mower class | Engine (cc) | Deck width | Typical MSRP | Good sale price | Great clearance price |
|---|---|---|---|---|---|
| Gas push (entry) | 140 to 160cc | 20 to 21 in | $300 to $360 | $230 to $280 | $180 to $220 |
| Gas self-propelled (mid) | 149 to 163cc | 21 in | $400 to $480 | $320 to $380 | $270 to $310 |
| Gas self-propelled (premium) | 166 to 190cc | 21 to 22 in | $520 to $650 | $420 to $490 | $360 to $420 |
Most popular models carry a 3-in-1 cutting system (bagging, mulching, and side discharge) with a 6-position cutting-height adjustment from roughly 1.25 to 3.75 inches. Brands you will see on sale include Toro, Honda, Craftsman, PowerSmart, Murray, and Hyper Tough. PowerSmart and Hyper Tough sit at the lowest entry prices; Honda and Toro command the premium tier.
Tip for spotting a fake sale: check the model’s price history. A unit marked “was $399, now $279” is only a real deal if it actually sold near $399. Many “was” prices are inflated MSRPs the item never held. Use a price-tracking browser tool, or compare the same model number across Home Depot, Lowe’s, and Amazon. If three retailers cluster around $279, that is the true price and the “$399” is marketing.
Where to find the cheapest gas lawn mower deals: retailer comparison
The cheapest gas lawn mower deals come from Home Depot, Lowe’s, Menards, Walmart, and Amazon, but each plays a different game. Home Depot and Lowe’s run the deepest clearance on walk-behind models in fall. Menards advertises low “after rebate” prices that require mail-in. Walmart and Amazon win on entry-tier push mowers and frequent flash discounts.
| Retailer | Strength | Fulfillment | Watch out for |
|---|---|---|---|
| Home Depot | Deep fall clearance, open-box floor models | Store pickup, delivery | Best deals are in-store, not online |
| Lowe’s | Self-propelled markdowns, price match | Store pickup, delivery | Online stock varies by ZIP |
| Menards | Lowest advertised “after rebate” price | Store pickup, delivery | Rebate is mail-in, not at checkout |
| Walmart | Entry push mowers, PowerSmart/Hyper Tough | Pickup, ship-to-home | Limited premium-brand selection |
| Amazon | Flash deals, wide brand range | Ship-to-home | Assembly required, no in-store handling |
Lowe’s and Home Depot both price-match competitors, including each other. Find a lower advertised price on the same model number and ask. For local pickup, store-only clearance often beats anything listed online by $40 to $80.
Are Menards “price after rebate” mower deals actually worth it?
Menards “price after rebate” deals can be worth it, but the advertised number is not what you pay at the register. You pay the full price, then mail in a rebate (often as an 11 percent store-credit voucher or a model-specific mail-in) and wait weeks for credit usable only at Menards. Factor in the credit’s restriction and the mail-in hassle before treating it as the real price.
The math works if you shop at Menards regularly, so the store credit gets spent. It works against you if you wanted cash savings or rarely return. Compare the pre-rebate Menards price to an instant-discount sale at Home Depot or Lowe’s. An instant $279 often beats a “$259 after rebate” that ties up $310 today.
Total cost of ownership: the price tag is not the whole bill
A gas lawn mower costs more than its sale price. Budget $40 to $90 per year for fuel, oil, a spark plug, an air filter, and an annual blade sharpening or replacement. Over a typical 8 to 10-year mower life, running costs can equal or exceed the purchase price. Factor this in when comparing a $230 push mower to a pricier self-propelled unit.
| Ongoing cost | Frequency | Typical annual cost |
|---|---|---|
| Gas (regular unleaded) | Per mow, mid-size yard | $20 to $45 |
| Oil change (SAE 30) | Once or twice per season | $8 to $15 |
| Spark plug + air filter | Annual tune-up | $10 to $20 |
| Blade sharpen or replace | 1 to 2 times per year | $10 to $25 |
This is the case for buying once and buying right. A $60 savings on a flimsy mower evaporates if it needs a $90 carburetor repair in year three. If you are still weighing fuel type, our comparison of the best electric lawn mowers breaks down where battery models erase fuel and tune-up costs entirely.
What size gas lawn mower do I need for your yard?
For yards under half an acre, a 20 to 21-inch deck with a 140cc to 160cc engine handles the job. For half an acre up to one acre, step up to a 21-inch deck with a 160cc to 190cc engine, ideally self-propelled to save effort on longer runs. Above one acre, a walk-behind is impractical and a riding mower makes more sense.
Deck width drives how many passes you make: a 21-inch deck cuts a yard roughly 5 percent faster than a 20-inch deck per pass. Engine displacement in cc signals torque, not just speed. A 190cc engine powers through thick or damp grass that bogs down a 140cc motor. For shopping the walk-behind tier in depth, see our best gas lawn mower guide for 2026. For larger lots, compare riding lawn mowers for sale.
Is a self-propelled gas mower worth the extra money over a push mower?
A self-propelled gas mower is worth the $80 to $130 upcharge if your yard is over a quarter acre, has slopes, or you mow in heat. The drive system pulls the mower forward so you steer rather than push. For small flat yards under a quarter acre, a gas push mower saves money upfront and has fewer parts to break, since there is no transmission or drive cable.
| Factor | Gas push mower | Self-propelled gas mower |
|---|---|---|
| Sale price band | $230 to $280 | $320 to $400 |
| Best for yard size | Under 0.25 acre, flat | 0.25 to 1 acre, slopes |
| Physical effort | Higher | Lower |
| Parts that can fail | Fewer | Drive belt, cable, transmission |
Should you buy a clearance, open-box, or used gas mower to save money?
Clearance new mowers offer the best balance: full warranty at 30 to 50 percent off, just last season’s color or model. Open-box floor models save another 10 to 20 percent but may miss the bagger or have light wear; inspect before buying and confirm warranty. Used mowers from eBay or local listings are cheapest but carry no warranty and unknown engine history. Buy used only if you can test-start it.
| Option | Typical savings vs. MSRP | Warranty | Risk level |
|---|---|---|---|
| Clearance (new) | 30 to 50% | Full manufacturer | Low |
| Open-box / floor model | 40 to 60% | Usually full, confirm | Low to medium |
| Refurbished | 30 to 45% | Limited (often 90 days) | Medium |
| Used (eBay, local) | 50 to 70% | None | High |
For most budget-conscious homeowners, a clearance new mower in October beats a used gamble. The warranty alone is worth the small premium. New to buying mowers entirely? Start with our lawn mower buying guide to match features to your yard before you chase a price.
Frequently Asked Questions
When do gas lawn mowers go on sale?
Gas lawn mowers go on sale hardest from late August through November during end-of-season clearance, with discounts of 30 to 50 percent. Mid-season dips of 10 to 25 percent hit on Memorial Day, the July lull, Labor Day, and Black Friday. Spring (March to May) is the most expensive time to buy because demand and fresh inventory both peak.
What is the best month to buy a gas lawn mower?
September and October are the best months to buy a gas lawn mower. Early September brings Labor Day promotions, and October delivers the deepest end-of-season clearance as retailers clear floor space. Expect 25 to 50 percent off spring prices. September balances price with selection; October has the steepest markdowns but thinner stock on popular self-propelled models.
What is a good price for a gas push lawn mower on sale?
A good sale price for an entry gas push lawn mower (140cc to 160cc, 20 to 21-inch deck) is $230 to $280. A great end-of-season clearance price drops to $180 to $220. If a retailer shows a “was” price far above $360, verify the model actually sold at that level, since inflated MSRPs make ordinary prices look like bigger discounts than they are.
Where can I find the cheapest gas lawn mower deals?
The cheapest gas lawn mower deals come from fall clearance at Home Depot and Lowe’s, plus flash discounts at Walmart and Amazon on entry push mowers. Menards advertises low “after rebate” prices, but those require mail-in. In-store clearance often beats online listings by $40 to $80. Lowe’s and Home Depot both price-match, so bring a competitor’s lower advertised price.
Is a self-propelled gas mower worth the extra money over a push mower?
A self-propelled gas mower is worth the $80 to $130 upcharge for yards over a quarter acre, sloped lots, or hot-weather mowing, because the drive system removes the effort of pushing. For small flat yards under a quarter acre, a gas push mower costs less and has fewer failure points, since it has no drive belt, cable, or transmission to repair.
Are Menards “price after rebate” lawn mower deals actually worth it?
Menards “price after rebate” deals can be worth it only if you shop there regularly. You pay full price at checkout, then mail in a rebate that returns as Menards store credit weeks later, not cash. Compare the pre-rebate price to an instant discount at Home Depot or Lowe’s. An instant $279 often beats a “$259 after rebate” that ties up more cash today.
Should I buy a clearance, open-box, or used gas lawn mower to save money?
Buy a clearance new mower for the best balance: 30 to 50 percent off with a full manufacturer warranty. Open-box floor models save more but may miss accessories, so inspect and confirm warranty first. Used mowers are cheapest at 50 to 70 percent off but carry no warranty and unknown engine wear. Only buy used if you can test-start the engine before paying.