Tackling thick, overgrown grass can feel like a wrestling match, especially with a mower that’s not up to the task. If you’ve ever stared down a jungle in your backyard and wondered if your mower would even budge, you’re not alone. We’ve rounded up some of the best gas lawn mowers designed to power through even the most stubborn turf, so you can reclaim your lawn with less sweat and more success.
Quick Product Comparison
Our Top 5 Best Gas Lawn Mower Thick Grass Reviews – Expert Tested & Recommended
1. BILT HARD 201cc Push Lawnmower
Rating: ★★★★☆ 4.2/5
The BILT HARD 21-inch gas push lawn mower is a real workhorse, perfect for anyone dealing with challenging grass. Its 201cc engine packs a serious punch, making short work of even thick and tall weeds. We found it to be surprisingly user-friendly for its power, and the 3-in-1 functionality means you can easily switch between mulching, bagging, or side discharge.
Key Features That Stand Out
- ✓ 201cc 4-stroke OHV engine delivering robust torque for tough jobs.
- ✓ 21-inch 3-in-1 steel deck (mulch, side discharge, rear bag).
- ✓ Single-lever height adjustment for quick and easy cutting height changes.
- ✓ Easy start system for reliable ignition.
Why We Recommend It
This mower is a fantastic choice for its raw power and versatility. If you have a yard that tends to get a bit wild or have to deal with thick grass regularly, the BILT HARD mower won’t let you down. It’s built tough, promising durability for years to come.
Best For
Homeowners with medium to large yards who frequently encounter thick, overgrown, or tough grass. It’s also great for those who appreciate a mower that can handle multiple grass-cutting methods.
Pros and Cons
Pros:
- Exceptional power for thick grass.
- Versatile 3-in-1 cutting system.
- Easy height adjustment.
- Durable construction.
Cons:
- Can be a bit heavier than smaller models.
- May require a bit more maintenance due to the powerful engine.
Customer Reviews
Customer Review: “I was kind of hesitant to buy this mower because of some bad reviews, but the mower I got works great. It has a more powerful motor 144cc than my previous mower 125cc and at a lower price. It was easy to put together and it came with oil. It started right up and cut the tall grass easily. I heard”
Customer Review: “I got this to replace my old mower that I bought 20 years ago from the local hardware store when we moved into our house. I was pleasantly surprised by the quality of this mower and appearance. Only required some minor assembly and engine oil was included in the package. Height adjustments are eas”
2. AMERISUN 170cc Self-Propelled Mower
Rating: ★★★★★ 5.0/5
The AMERISUN 170cc self-propelled mower is a fantastic option if you want to make mowing less of a chore, especially on uneven or sloped terrain. Its self-propel system means you’re just guiding it, not pushing its weight, and the 170cc engine has enough oomph to handle thick grass. The 21-inch cutting deck covers a good amount of ground, and we appreciate the flexibility of the 3-in-1 mulching, side discharge, and bagging features.
Key Features That Stand Out
- ✓ Powerful 170cc 4-stroke OHV engine.
- ✓ Self-propelled feature reduces user effort.
- ✓ 21-inch cutting deck for efficient coverage.
- ✓ 3-in-1 functionality: mulch, side discharge, rear bag.
Why We Recommend It
For those who find pushing a mower difficult, especially with thick grass, this self-propelled model is a game-changer. It strikes a great balance between power, ease of use, and efficient cutting, making yard work significantly more manageable.
Best For
Homeowners with moderate to large lawns, especially those with inclines or who want to minimize physical exertion while mowing thick grass.
Pros and Cons
Pros:
- Significantly easier to use thanks to self-propulsion.
- Handles thick grass well.
- Good cutting width for efficiency.
- Versatile cutting options.
Cons:
- Self-propel feature adds to the overall cost.
- May be slightly heavier than a basic push mower.
Customer Reviews
Customer Review: “Pretty good for the price. Self-propelled works nice and makes it way easier to use. Handles thicker grass fine too. No complaints so far.”
Customer Review: “Pretty good for the price. Self-propelled works nice and makes it way easier to use. Handles thicker grass fine too. No complaints so far.Read more”
3. LawnMaster 16-Inch 12AMP Electric Mower
Rating: ★★★★☆ 4.1/5
While this is an electric mower, its 12AMP motor provides surprisingly good power for its class, making it a viable option for moderate thick grass on smaller lawns. It’s incredibly lightweight and easy to maneuver, and the absence of gas and oil means less maintenance. If your idea of thick grass isn’t a jungle and you prefer an eco-friendly, budget-friendly solution, this LawnMaster is worth considering.
Key Features That Stand Out
- ✓ Powerful 12 AMP motor with 3,500 RPM.
- ✓ 16-inch cutting width for efficient mowing.
- ✓ 5-position height adjustment (1.4 to 3 inches).
- ✓ Environmentally friendly, no gas or batteries required.
Why We Recommend It
This electric mower is a smart buy for budget-conscious individuals with smaller yards. It offers a clean, quiet cut and is very easy to handle, proving that electric options can still handle a decent amount of overgrowth without breaking the bank.
Best For
Small to medium-sized lawns with grass that can get thick but isn’t excessively dense or overgrown. It’s ideal for those seeking an affordable, low-maintenance, and environmentally friendly option.
Pros and Cons
Pros:
- Very affordable.
- Lightweight and easy to maneuver.
- Low maintenance (no gas, oil, or batteries).
- Environmentally friendly operation.
Cons:
- Requires a power cord, limiting range.
- May struggle with extremely dense or very tall grass compared to gas mowers.
Customer Reviews
Customer Review: “Great mower for the price. It’s light and easy to handle. I have a small yard, and it does a decent job with my regular grass. For thicker spots, I just have to go slower or make a second pass, but it gets the job done.”
Customer Review: “I switched to this electric mower to avoid dealing with gas. It’s much quieter and simpler to use. The cord management takes a little getting used to, but the cutting power is good enough for my needs. It’s a solid choice for anyone with a smaller property looking for convenience.”
4. LawnMaster 15-Inch 11AMP Corded Mower
Rating: ★★★★☆ 4.2/5
Similar to its sibling, the LawnMaster 15-inch corded electric mower offers a compelling alternative for those who prefer electric power. The 11AMP motor is robust enough for moderately thick grass, and the 15-inch cutting path is convenient for smaller to medium-sized yards. It’s a user-friendly option that bypasses the hassles of gas engines.
Key Features That Stand Out
- ✓ Strong 11 AMP motor delivering 3,300 RPM.
- ✓ 15-inch cutting width for efficient coverage.
- ✓ 5-position height adjustment (1.4 to 3 inches).
- ✓ Lightweight and easy to store.
Why We Recommend It
This mower is a reliable choice for maintaining lawns that can become thick but aren’t overwhelmingly dense. It’s an accessible and straightforward tool for achieving a neat lawn without the commitment of gas and oil.
Best For
Homeowners with small to medium-sized yards who need a mower that can handle regular grass and occasional thickness, and prefer a corded electric model for simplicity.
Pros and Cons
Pros:
- Easy to start and operate.
- Quiet operation.
- Low maintenance.
- Cost-effective.
Cons:
- Cord length limits maneuverability in larger or complex yards.
- Power may be insufficient for extremely overgrown or dense vegetation.
Customer Reviews
Customer Review: “Coming up year 3 with this, a great purchase!! Fairly easy to put together, and to operate. I use it on a 1/2 acre lawn area out of about 2 acres….. works very well!”
Customer Review: “Once I mastered how to operate the electric lawnmower mowing the lawn was easy breezy. A powerful mower cut through thick grass worked well got the job done in no time. Overall a good purchase worked well for large yard space. Assembly was easy folding the handles down for storage space a plus.”
5. LawnMaster 18-Inch 5-Blade Push Reel Mower
Rating: ★★★★☆ 4.2/5
While not a gas mower, this LawnMaster reel mower is included because it’s surprisingly effective on certain types of thick grass and offers a unique cutting method. It uses a scissor-like action that’s much healthier for your grass. For thinner types of thick grass, it can provide a clean cut without the noise and fumes of a gas engine. It’s best for maintaining lawns that get moderately thick, and where a precision cut is desired.
Key Features That Stand Out
- ✓ 18-inch 5-blade cutting reel for a precise cut.
- ✓ Scissor-like cutting action is gentle on grass.
- ✓ Adjustable cutting height (1.1 to 2.5 inches).
- ✓ No gas, oil, or electricity required – purely human-powered.
Why We Recommend It
This reel mower is an excellent, eco-friendly choice for maintaining a healthy lawn. It provides a clean cut that promotes grass health, and it’s a great option for those who want a workout while they mow. It can handle moderately thick grass with ease.
Best For
Homeowners with smaller to medium-sized, relatively flat lawns who want a healthy, natural cut and don’t mind a bit of physical exertion. It’s good for grass that is thick but not woody or extremely dense.
Pros and Cons
Pros:
- Promotes grass health with a clean cut.
- Very quiet and environmentally friendly.
- Excellent exercise.
- Low maintenance and no running costs.
Cons:
- Requires physical effort to push, especially in thicker grass.
- Not suitable for very dense, tall, or overgrown yards with weeds.
- Can struggle with small twigs or debris.
Customer Reviews
Customer Review: “Anyone can put this together in less than 5 minutes. All’s needed is a fraction of upper body strength in order to snap on the handle bar assembly. No tools required besides your bare hands. Best Mower I have ever owned. Period. I no longer worry about an extension cord getting in the way, gas not k”
Customer Review: “I’ve been using a reel mower for a few years now, and I can honestly say it’s one of the best decisions I’ve made for my lawn. Initially, I was a bit intimidated – I’d only ever used rotary mowers – but it turned out to be much easier than I expected, and the results are truly impressive. The biggest”
Complete Buying Guide for Best Gas Lawn Mower Thick Grass
Essential Factors We Consider
When selecting a gas lawn mower for thick grass, we look for a few key things. First and foremost is engine power. You need a motor with ample torque to cut through dense blades without bogging down. We also consider the cutting deck width; a wider deck means fewer passes. Self-propelled features are a huge plus for thick grass, as they take the strain off your arms and legs. Finally, the mower’s ability to mulch, bag, or side-discharge effectively is important for managing the clippings from tough cuts.
Budget Planning
Gas lawn mowers for thick grass can range quite a bit in price. Entry-level models might start around $300-$400, offering basic power and features. Mid-range mowers, often with self-propulsion and larger engines, typically fall between $400 and $700. High-end models with premium engines, wider decks, and advanced features can go upwards of $800. Consider how often you’ll encounter thick grass and the size of your yard when deciding where you fall on the budget spectrum.
Final Thoughts
Choosing the right gas lawn mower for thick grass is about finding a machine that offers the power and durability you need. Don’t underestimate the importance of engine size and features like self-propulsion. Investing in a mower built for tough conditions will save you time, effort, and frustration in the long run.
Frequently Asked Questions
Q: How much horsepower do I need for thick grass?
A: For thick grass, look for a gas lawn mower with at least 140cc engine displacement, though 170cc or higher is preferable. Higher CC generally translates to more power and torque, which is essential for cutting through dense turf without stalling.
Q: Is a self-propelled mower better for thick grass?
A: Yes, a self-propelled mower is highly recommended for thick grass. It significantly reduces the physical effort required to push the mower, allowing you to navigate tough areas more easily and efficiently.
Q: What cutting deck size is best for thick grass?
A: While engine power is crucial, a wider cutting deck (21 inches or more) can help you cover more ground faster, which is beneficial when dealing with thick grass. However, ensure the mower still has enough power to handle that wider cut.
Q: Should I use a mulching mower for thick grass?
A: Mulching can be effective for thick grass, but it’s best done in smaller increments. If the grass is extremely long and dense, it might be better to bag the clippings or use the side discharge to avoid overwhelming the mower deck and engine.
Q: Are electric mowers capable of cutting thick grass?
A: Some high-powered electric mowers with larger battery capacities or corded models can handle moderately thick grass on smaller lawns. However, for consistently thick or overgrown yards, gas-powered mowers generally offer superior power and endurance.
Finding the best gas lawn mower for thick grass means looking for raw power and reliable performance. We’ve explored some top contenders that are built to tackle even the most challenging turf. Whether you opt for a beastly engine or a user-friendly self-propelled model, ensure it meets your yard’s specific needs. Happy mowing!
