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The 5 Best Lawn Mowers (2021)

A quality lawn mower helps keep your grass groomed and healthy. In this review, the This Old House Reviews team takes a look at some of the best lawn mowers available to help you select the right one for your landscaping needs. The products included in this article are available at various home improvement stores, local home centers, and online retailers like Amazon.

greenworks lawn mower Amazon

The lawn mower marketplace is cluttered with an array of options that all promise to deliver a perfect cut for your yard. With so many products available, it’s important to conduct some research before making a purchase to ensure that your mower matches your lawn maintenance needs. That’s why the This Old House Reviews Team did the research for you, evaluating the many options on Amazon to help you find the best lawn mowers to match a variety of settings and needs.

Greenworks Pro 21-Inch Cordless Push Mower

This battery-powered mower delivers up to 60 minutes of run time and features a brushless motor, SMARTCUT technology, and vertical storage. It has a 7-position height adjustment and comes with a 3-in-1 mulch, rear bag, and side discharge capability. Not to mention, it comes with an included battery and charger.

BLACK+DECKER 6.5-Amp Electric 3-in-1 Mower

This 3-in-1 tool weighs only 13 pounds and easily converts into a mower, trimmer, or edger. It has an automatic feed spool that allows for continuous work and features a cord retention system that prevents your cord from accidentally disconnecting. Other benefits of this mower include a 6.5-amp motor and power drive transmission, a cutting path of 23 inches, and an adjustable handle and height positions for maximum comfort and control. Note: an extension cord is not included with this product.

EGO Power+ LM2000-S Cordless Walk-Behind Lawn Mower

With a cutting width of 20 inches and a convenient push-button start, this lawn mower allows you to cut more grass in less time. Some other features of this EGO lawn mower include a 3-in-1 function that provides mulching capabilities, rear bagging, and side discharge performance, a high-torque magnetic motor, and LED headlights for better visibility. Not to mention, this space-saving tool folds quickly for easy storage.

Sun Joe Electric Lawn Mower

Featuring durable 14-inch steel blades and an adjustable cutting height, this corded electric lawn mower can help you with your lawn care needs. It has a powerful 13-amp motor and a 14-inch cutting path, in addition to a 10.6-gallon bag and rear discharge chute for easy grass collection and disposal.

Yard Machines Push Gas Lawn Mower

This lawn mower has three cutting height positions and a 132cc gas engine, perfect for mowing small- to medium-sized yards. It has a 20-inch cutting width and seven-inch wheels for easy maneuverability around your yard. This mower also comes with a limited one-year warranty for extra protection.

Our Testing Process

To help you purchase a lawn mower with excellent performance, we parsed through numerous reviews and researched top-rated products. We’ve done the legwork for you so that you can cut through the clutter and select the best product to keep your lawn manicured and increase your home’s curb appeal.

Lawn Mower Review Guide

To guide you through the purchase of your new lawn mower, we’ve provided important lawn maintenance information and answered frequently asked questions about lawn mowers to provide you with a baseline knowledge of the product and its functionality.

Walk-Behind Lawn Mowers vs. Riding Lawn Mowers

Walk-behind and riding lawn mowers both have their own set of pros and cons, but each is suited for a particular type of mowing. Walk-behind mowers are designed for small to medium-sized lawns and for homeowners who mow infrequently. Their compact size offers a precise cut even in tight spaces. Walk-behind mowers are powered by a variety of fuel sources, including gas and electric. These mowers are typically pushed by the user or are self-propelled through the rear-wheel drive.

Riding lawn mowers are ideal for homeowners with multiple acres that require cutting on a weekly basis. While riding lawn mowers offer a large cutting deck and higher run speeds, they are less affordable and require more storage space than their walk-behind counterparts. For this review, we’ve decided to focus on push mowers.

Best push mower

Our selection for the best push mower is the Greenworks Pro 21-Inch Cordless Push Mower. This battery-powered mower provides a precise cut with quiet operation and easy-to-use push-button starter.

Types of Lawn Mowers

Push mower

Push mowers, while requiring a significant amount of energy, are usually affordable solutions to lawn maintenance. As the engine or motor powers the blade, you push the mower forward to trim your lawn. If you have a small lot, this is the mower for you.

One of the best push mowers is the compact Sun Joe Mow Joe, 14-Inch. This mower’s small frame makes it perfect for your yard’s tight corners and is a solid choice for entry-level mowers.

Self-propelled mower

Self-propelled mowers draw energy from the motor to help propel the wheels. While they still require some pushing on your end, they require significantly less effort than traditional push mowers. Self-propelled mowers are a good choice for homeowners who have a larger lawn or need to mow rough terrain.

Gas lawn mower

A gas mower is one of the most powerful lawn tools on the market. Gas models wield more power than other walk-behind models, like electric, which makes them a great option for larger lawns and yards with thick undergrowth and grass patches. The downside to gas lawn mowers is their environmental impact, as they emit harmful emissions into the air.

Our top pick for a gas mower is the Yard Machines 20-Inch Push Gas Lawn Mower, which offers homeowners a powerful cut at three different cutting lengths.

Electric lawn mower

A good alternative to a gas mower is an electric mower, which comes with a battery that’s charged periodically. The mower’s battery powers blade rotation, making electric mowers more environmentally friendly than a traditional, gas-powered mower. Electric mowers can be less powerful than gas motors and may have a shorter runtime because of their battery life. However, some electric lawn mower manufacturers offer corded mowers, which eliminates the risk of running out of power. Electric lawn mowers offer a quiet, premium cutting performance while eliminating the need for gas, oil, or engine maintenance.

One of the best electric lawn mowers is the Greenworks 20-Inch, 12-Amp Corded Lawn Mower, which offers customers a simple mower with a 3-in-1 feature that includes mulching, side discharge, and rear bagging grass clipping removal.

Five Factors To Consider Before Purchasing a Lawn Mower

Landscape needs

Before investing in a lawn mower, consider your yard’s size, slope, and terrain. If you only need to cut your lawn a few times a month or have a smaller lawn, we recommend a push mower. However, if you have a large yard that requires powerful mowing, you should look into a riding lawn mower.

Mulching capabilities

If you’re looking for a mower that cuts and mulches, make sure you look for one with mulching capabilities, like the Greenworks Pro 21-Inch Mower. This type of mower will grind your grass clippings into fine pieces to be used as fertilizer for your lawn.

Clippings collection

Prior to purchasing a mower, decide if you want to bag your grass clippings or not. Some mowers come with a bagging system that hangs under the mower’s steering handle. If your yard requires frequent mowing, this is a must-have feature.

Push-button start

Some lawn mowers boast a push-to-start button that eliminates the need to use a pull-cord to start your mower’s engine. This is a helpful feature for those who find it difficult to yank a cord every time they mow their lawn.

Wheel size

The size of your mower’s wheels affects its maneuverability across your lawn. Many self-propelled lawn mowers have different-sized front and back wheels, with larger back wheels for navigating the terrain and smaller front wheels for easy turning.

How To Make a Lawn Mower Last

The life of your lawn mower depends on how often you conduct regular maintenance. Here are some steps you can follow to prevent extensive repairs and extend the life of your lawn mower:

  • Change the oil—Lawn mower oil should be changed at the beginning of every season.
  • Change the air filter—We recommend replacing your mower’s filter one or two times per year.
  • Examine the spark plugs—Anytime you replace the mower’s oil, replace the spark plug. After the first replacement, write down the code of your existing plug to make sure you purchase the correct replacement part the next time around.
  • Sharpen the blades—Always ensure your mower is off and the blades are cool before examining them. Look for dings, dents, and any other damage that may signal it’s time for a replacement. If the blades are just dull, you can choose to replace or sharpen them.

Frequently Asked Questions About Lawn Mowers

Which lawn mower brand is the best?

Greenworks mowers are some of the best available on Amazon. The company’s Pro 21-Inch Cordless Push Mower delivers a long-lasting electric mow that’s efficient for any small to medium yard.

How long should a lawn mower last?

The average lawn mower lasts eight to 10 years with proper maintenance and care. In general, electric lawn mowers tend to last longer and require less maintenance than other lawn mowers because they don’t require gas or oil changes.

Which is better: an electric or gas lawn mower?

Electric lawn mowers tend to be more affordable than gas lawn mowers, but they aren’t as powerful. They’re better for small lawns with short grass. On the other hand, gas lawn mowers can emit harmful emissions into the air but if you expect to cut thick grass and undergrowth, opt for a gas mower.