Finding the perfect lawn mower can make all the difference in maintaining a beautiful yard. For those with medium to large lawns, a 21-inch lawn mower often strikes the ideal balance between cutting width and maneuverability. Whether you’re looking for the power of a self-propelled model, the convenience of battery operation, or a budget-friendly option, we’ve got you covered. We’ve tested and reviewed some of the top contenders to help you choose the best 21-inch lawn mower for your needs.
Quick Product Comparison
Our Top 3 Best 21 Inch Lawn Mower Reviews – Expert Tested & Recommended
1. Best 21-Inch Self-Propelled Lawn Mower Kit with Long-Lasting Battery and Rapid Charger
This 21-inch self-propelled lawn mower kit is a fantastic option if you want a powerful and convenient way to keep your lawn looking sharp. It comes with everything you need, including a long-lasting battery and a rapid charger, making it easy to get started and keep mowing.
Key Features That Stand Out
- ✓ Touch Drive™ self-propelled technology offers intuitive control.
- ✓ Includes two batteries (7.5Ah and 5.0Ah) for extended mowing time.
- ✓ Rapid charger gets you back to mowing quickly.
- ✓ Select Cut multi-blade system allows for customizable cutting.
Why We Recommend It
This mower is a top pick because it combines user-friendly features with impressive power. The self-propelled system makes it easy to navigate, even on inclines, and the battery life is excellent for most residential lawns. It’s a reliable and efficient choice for a beautifully maintained yard.
Best For
Homeowners with medium to large lawns who appreciate the convenience of battery power and the ease of a self-propelled mower.
Pros and Cons
Pros:
- Powerful and quiet operation.
- Long battery life with rapid charging capabilities.
- Easy-to-use self-propelled system.
- Durable construction for long-term use.
Cons:
- Can be a significant investment upfront.
- Maneuvering in very tight spaces might require some practice.
Customer Reviews
Customer Review: After having used this mower for an entire season, I couldn’t be happier with it. This is my first battery operated mower and I was banking on the Ego brand to come through for me, and it did. The mower is easy to start and was reliable the whole season. The batteries held up well. I have about a ha
Customer Review: Electric mowers have never looked so good. Easy to charge and prepare, Ego has something special going on here. It comes with batteries interchangeable between most other Ego products, so if you buy a combo with 2 batteries you can also power your leaf blower and string trimmer all with one power sou
2. Greenworks 24V 13-Inch Brushless Cordless Push Mower with 4.0Ah Battery and Charger
For those with smaller to medium-sized yards, this Greenworks 24V cordless push mower is an excellent choice. It’s lightweight, easy to handle, and surprisingly powerful thanks to its brushless motor. The 13-inch deck is perfect for navigating tight spots and smaller areas.
Key Features That Stand Out
- ✓ Brushless motor provides efficient and quiet cutting power.
- ✓ Lightweight 13-inch deck for easy maneuverability.
- ✓ Single-lever height adjustment with 5 positions.
- ✓ Mulching and rear bagging capabilities.
Why We Recommend It
We love this Greenworks mower for its balance of performance and ease of use. It’s a great entry-level option for anyone looking to switch from gas mowers. The battery system is also compatible with other Greenworks tools, adding value if you already own or plan to buy other tools from their ecosystem.
Best For
Homeowners with small to medium yards, or those who prioritize a lightweight and easy-to-store mower.
Pros and Cons
Pros:
- Very lightweight and easy to push.
- Quiet operation compared to gas mowers.
- Good battery life for its size.
- Compact design for easy storage.
Cons:
- May struggle with very tall or thick grass without multiple passes.
- Battery run time might be limiting for larger lawns.
Customer Reviews
Customer Review: This mower is great for my small city yard. It’s so much quieter than my old gas mower and much lighter, making it easy to get around my flower beds. The battery lasts long enough for my entire lawn, and I love not having to deal with gas and oil.
Customer Review: I was hesitant to go electric, but this Greenworks mower has surprised me. It cuts cleanly, and the height adjustment is simple. It’s perfect for quick touch-ups and general maintenance. Plus, it folds up nicely for storage in my shed.
3. WORX 14-Inch Cordless Electric Mower for Small Yards with Dual Batteries and Charger
If you have a smaller yard and are looking for an affordable and convenient option, the WORX 14-inch cordless mower is a great pick. It’s lightweight and easy to handle, and the included dual batteries provide enough power to tackle a typical small lawn. Plus, the batteries are part of WORX’s PowerShare system, meaning they’re compatible with other WORX tools.
Key Features That Stand Out
- ✓ Compact 14-inch cutting deck is ideal for smaller spaces.
- ✓ Includes two 20V 4.0Ah batteries for extended run time.
- ✓ Intellicut™ technology automatically adjusts motor speed.
- ✓ Batteries are compatible with other WORX PowerShare tools.
Why We Recommend It
This WORX mower is a fantastic value for its price. It’s a straightforward, no-fuss machine that gets the job done efficiently for smaller lawns. The compatibility with other WORX tools is a huge plus for DIYers and those looking to build a cordless tool collection.
Best For
Homeowners with small yards or those on a budget who want a reliable electric mower.
Pros and Cons
Pros:
- Very affordable price point.
- Lightweight and easy to maneuver.
- Good battery life for small yards, with the benefit of dual batteries.
- Part of a larger, versatile tool system.
Cons:
- May not be suitable for larger lawns or very thick grass.
- Build quality might feel less robust than higher-end models.
Customer Reviews
Customer Review: I was surprised at how sturdy this mower is. I never used a battery powered mower and had doubts about how well it would work and how long the batteries last, but I found that it worked as well as any mower I’ve had and the batteries weren’t depleted even by the time I finished mowing. Note that thi
Customer Review: After the professional mowing company I’ve been using for several years raised their prices significantly during the pandemic to better cover their rising gasoline costs, I decide to revolt by buying this little battery mower and mow my average size lawn myself. This thing paid for itself in no time
Complete Buying Guide for Best 21 Inch Lawn Mower
Essential Factors We Consider
When looking for the best 21-inch lawn mower, we focus on a few key things that make a real difference in your mowing experience. We consider the power source – whether it’s electric (corded or battery) or gas – and how that impacts performance and convenience. The self-propelled feature is a big plus for larger yards or hilly terrain, as it reduces physical effort significantly. We also look at the cutting capabilities, including mulching, bagging, and side-discharging options, and how well the mower handles different grass types and heights. Durability and ease of use, like simple starting mechanisms and adjustable handle heights, are also crucial.
Budget Planning
The price of a 21-inch lawn mower can vary quite a bit. Battery-powered models often have a higher upfront cost due to the battery and charger, but they offer significant savings on fuel and maintenance over time. Gas mowers can be more budget-friendly initially but require ongoing costs for fuel and oil changes. For smaller yards, a basic push mower might suffice and is usually the most affordable. When budgeting, think about the total cost of ownership, including any accessories like mulching kits or replacement parts, and how long you expect the mower to last. Investing a little more in a quality machine can often save you money and hassle in the long run.
Final Thoughts
Ultimately, the best 21-inch lawn mower for you depends on the size of your yard, your budget, and your personal preferences for power and features. Whether you opt for the convenience of a self-propelled battery mower, the straightforward operation of a push mower, or the raw power of a gas model, there’s a great option out there. Consider the factors discussed in this guide to make an informed decision that will leave your lawn looking its best all season long.
Frequently Asked Questions
Q: What is the advantage of a 21-inch cutting deck?
A: A 21-inch cutting deck offers a good balance. It’s wide enough to cover a medium to large lawn more quickly than smaller mowers, but it’s still narrow enough to maneuver easily around obstacles, flower beds, and gates without being too cumbersome.
Q: Are battery-powered lawn mowers powerful enough?
A: Modern battery-powered mowers, especially those with brushless motors and high-voltage batteries (like 24V or 40V and above), are now powerful enough to handle most residential lawn tasks, including cutting through thick grass. For very large properties or extremely challenging conditions, a gas mower might still be preferred by some.
Q: How do I maintain my lawn mower?
A: Maintenance typically includes cleaning the deck after each use, checking and sharpening the blade annually, checking oil levels (for gas mowers), and ensuring the air filter is clean. For battery mowers, keeping the battery charged and clean is important. Always refer to your owner’s manual for specific maintenance guidelines.
Q: Is a self-propelled mower worth the extra cost?
A: If you have a sloped yard, a larger lawn, or if you find pushing a mower difficult, a self-propelled model is definitely worth the investment. It significantly reduces the physical effort required, making mowing a much less strenuous chore.
We hope this guide has helped you find the best 21-inch lawn mower to tackle your yard care needs. Remember to consider your specific lawn size, terrain, and budget when making your final decision. Happy mowing!