Gas vs Electric Lawn Mowers: Which Should You Buy?
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Choosing between a gas vs electric lawn mower depends on your yard size and maintenance preferences. These two models represent the core divide in outdoor power equipment. Both offer walk-behind push designs for manual maneuvering. The main difference lies in their propulsion and energy source. One uses a 144cc gas engine for raw power, while the other relies on dual 20V batteries for quiet, zero-emission operation. Your choice hinges on runtime needs and cutting width requirements.
Key differences
| Aspect | PowerSmart 18-Inch 144cc Gas Push Mower | MZK 13-Inch Brushless Cordless Lawn Mower |
|---|---|---|
| Power Source | Gas, 144cc 4-cycle | 20V battery (2x 4.0Ah) |
| Cutting Width | 18 in | 13 in |
| Drive Type | Push | Push |
| Motor Type | 4-stroke OHV | Brushless |
| Deck Material | Steel | not listed |
| Weight | 58.4 pounds | 13 pounds |
Which one should you choose?
Choose PowerSmart 18-Inch 144cc Gas Push Mower if
- You need a wider 18-inch cut to cover larger areas faster
- You prefer unlimited runtime and do not mind handling fuel
- You want a durable steel deck for heavy-duty side discharge
Choose MZK 13-Inch Brushless Cordless Lawn Mower if
- You prioritize a lightweight 13-inch mower for easy storage
- You want quiet operation with zero exhaust emissions
- You need a complete kit with batteries and a bag included
Verdict: The PowerSmart gas mower suits larger yards where width and unlimited runtime matter most. The MZK electric mower is better for small spaces where weight and quiet operation are priorities. Choose based on whether you value cutting width or portability.
Gas vs Electric Mower Specs
Power Source
The PowerSmart uses a 144cc 4-cycle gas engine with auto choke and a primer for starting. You need fuel and regular engine maintenance. The MZK runs on two 20V 4.0Ah lithium batteries. It uses a brushless motor for efficient power delivery. You charge the batteries instead of mixing gas. The MZK offers up to 30 minutes of runtime per charge. This electric setup eliminates fuel smells and oil changes. Gas provides unlimited run time, while battery power limits your session length.
Cutting Width
The PowerSmart features an 18-inch steel deck. This wider cut covers more ground with each pass. It is better for larger lawns where efficiency matters. The MZK has a 13-inch cutting width. This narrower deck is designed for smaller yards and tight spaces. You will need more passes to cover the same area with the MZK. The 18-inch width is generally preferred for standard residential lawns. The 13-inch width suits compact gardens or narrow pathways where maneuverability is key.
Deck Material
The PowerSmart deck is made of durable steel. Steel decks are heavy but resist impacts and last longer. They handle rough terrain and debris better over time. The MZK deck material is not specified in the provided data. You cannot verify its durability or weight characteristics from these specs alone. Steel construction typically offers superior longevity for push mowers. If the MZK uses plastic or thinner metal, it may be lighter but less robust. The PowerSmart offers a known, heavy-duty material choice.
Mowing Function
The PowerSmart is configured for side discharge. Grass clippings are ejected to the side, which is efficient for tall or thick grass. You do not need to stop to empty a bag frequently. The MZK includes a 30L (8-gallon) rear bag for bagging. This keeps your lawn clean and free of clippings. Bagging requires more frequent stops to empty the container. Side discharge is faster for routine mowing. Bagging is better for lawn health and aesthetics. Choose based on whether you prefer a clean look or speed.
Weight and Size
The PowerSmart weighs 58.4 pounds and measures 27.2 inches long. It is a substantial machine that requires physical effort to push. The MZK weighs only 13 pounds. It is significantly lighter and easier to store or move. The MZK dimensions are 16 inches long by 17 inches wide. Its compact size fits in small sheds. The PowerSmart is built for stability and durability. The MZK is built for convenience and ease of handling. Lighter weight reduces fatigue during mowing sessions.
Gas or Electric Mower: Your Best Pick
Users with large, thick grass areas
The PowerSmart features a 144cc 4-cycle engine and an 18-inch steel deck. This setup provides the torque needed for tall grass. Side discharge clears clippings efficiently without clogging. You can adjust the height from 1.5 to 3.9 inches across five positions. The durable steel deck withstands debris better than plastic alternatives for demanding yard work.
Those prioritizing lightweight and quiet operation
The MZK weighs only 13 pounds, making it easy to lift and store. It uses a brushless motor for quiet, efficient cutting. The compact 13-inch width fits through narrow gates and tight spaces. You get 30 minutes of runtime from two 20V batteries. The lightweight design reduces fatigue during quick touch-ups or small lawn maintenance tasks.
Buyers wanting zero fuel maintenance
You avoid gas, oil, and spark plug maintenance with this electric model. The brushless motor requires less upkeep than a 4-cycle gas engine. Two 20V 4.0Ah batteries provide up to 30 minutes of runtime. You can swap batteries to extend mowing time. The included bag collects clippings for easy disposal, keeping your lawn tidy without manual raking.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | PowerSmart 18-Inch 144cc Gas Push Mower | small yards needing side discharge | Check price of PowerSmart 18-Inch 144cc Gas Push Mower on Amazon |
| 2 | MZK 13-Inch Brushless Cordless Lawn Mower | Small lawns needing lightweight maneuverability | Check price of MZK 13-Inch Brushless Cordless Lawn Mower on Amazon |
The products compared
PowerSmart 18-Inch 144cc Gas Push Mower
Best for: small yards needing side discharge
- Power Source
- Gas (what this guide is about)
- Cutting Width
- 18 in
- Drive Type
- push
- Deck Material
- steel
- Cutting Height
- 1.5-3.9 in, 5 positions
- Mowing Function
- side discharge
View on Amazon: PowerSmart 18-Inch 144cc Gas Push Mower Affiliate link
This PowerSmart walk-behind mower uses a 144cc 4-cycle gas engine to power an 18-inch steel deck. It offers side discharge for efficient clippings management and five cutting heights from 1.5 to 3.9 inches. The 58.4-pound push design with 8-inch rear wheels suits small yards. It lacks bagging or mulching options, focusing on direct discharge.
Pros
- 144cc 4-cycle engine with auto choke
- 18-inch steel deck for durability
- 5-position height adjustment from 1.5 to 3.9 inches
- Side discharge keeps tall grass clear
Cons
- Push drive requires physical effort
- No bagging or mulching kit included
- Heavier at 58.4 pounds than electric models
Good fit if
- You need reliable power for thick grass
- You prefer side discharge over collection
- You have a small yard under 5,000 sq ft
Skip if
- You want a lightweight electric mower
- You need mulching or bagging capabilities
- You prefer a self-propelled drive
Verdict: PowerSmart 18-Inch Gas Push Mower fits users who want simple, powerful gas performance for small yards without the complexity of collection systems. It is a solid choice for basic mowing tasks where side discharge is preferred.
MZK 13-Inch Brushless Cordless Lawn Mower
Best for: Small lawns needing lightweight maneuverability
- Power Source
- Electric (what this guide is about)
- Cutting Width
- 13 in
- Voltage
- 20V
- Drive Type
- push
- Battery Capacity
- 4.0Ah
- Runtime
- Up to 30 minutes
View on Amazon: MZK 13-Inch Brushless Cordless Lawn Mower Affiliate link
This compact mower uses a brushless motor with 3,400 RPM on high for efficient cutting. It features a 13-inch deck and two 20V 4.0Ah batteries for up to 30 minutes of runtime. You get four cutting height settings from 1.3 to 2.6 inches. The 13-pound weight and 13-inch width make it easy to maneuver in tight spaces. It includes a 30L grass bag for clean collection.
Pros
- Brushless motor reaches 3,400 RPM on high setting
- Dual 20V 4.0Ah batteries provide 30 minutes of runtime
- Lightweight 13-pound design for easy handling
- Four cutting height positions from 1.3 to 2.6 inches
- Includes two batteries and a single-port charger
Cons
- 13-inch cutting width requires more passes than wider decks
- 30-minute runtime may be insufficient for larger lawns
- No side discharge option listed for mulching or clearing
Good fit if
- You have a small to medium lawn under 5,000 square feet
- You need a lightweight mower for easy storage and transport
- You want to swap batteries to extend mowing time
Skip if
- You require a cutting width wider than 13 inches
- You need more than 30 minutes of continuous runtime
- You prefer a gas-powered mower for heavy-duty tasks
Verdict: MZK 13-Inch 20V Cordless Mower fits small yards where maneuverability matters more than speed. It is a practical option for users who value lightweight design and dual-battery flexibility.
Specifications side by side
| Spec | PowerSmart 18-Inch 144cc Gas Push Mower | MZK 13-Inch Brushless Cordless Lawn Mower |
|---|---|---|
| Power Source | gas, 144cc 4-cycle | Cordless battery |
| Cutting Width | 18 in | 13 in |
| Voltage | not stated | 20V |
| Drive Type | push | push |
| Battery Capacity | not stated | 4.0Ah |
| Runtime | not stated | Up to 30 minutes |
| Deck Material | steel | not stated |
| Cutting Height | 1.5-3.9 in, 5 positions | 1.3 to 2.6 inches, 4 positions |
| Mowing Function | side discharge | Bagging |
| Motor Type | not stated | Brushless |
| Application | Yard, Small Yards, Lawn | Lawn |
| Dimensions | 27.2 × 14.3 × 20.1 inches | 16 × 17 × 9 inches |
| Weight | 58.4 pounds | 13 pounds |
| Size | 18 Inch-144cc-5 Heights | 13IN |
| Color | red | Red |
| Model | DB8618C | ET2601 |
Frequently asked questions
Is a gas mower better for thick grass?
Yes. Gas engines like the 144cc unit in the PowerSmart model provide high torque for tough conditions. This power helps cut tall or thick grass efficiently. The 18-inch steel deck also supports robust performance. Side discharge clears clippings without clogging, making it ideal for challenging lawns.
Which mower is lighter and easier to push?
The electric option is significantly lighter. The MZK cordless mower weighs only 13 pounds. This makes it easy to maneuver in small spaces. The gas model weighs 58.4 pounds due to its engine and fuel tank. You will find the electric version much simpler to handle and store.
Do I need to refuel an electric mower?
No. Electric mowers run on rechargeable batteries. The MZK uses two 20V lithium batteries. You simply swap or recharge them when depleted. Gas mowers require regular fueling and oil changes. The electric model eliminates trips to the gas station and reduces routine maintenance tasks.
Which mower is best for small yards?
The MZK 13-Inch Cordless Mower is designed for small lawns. Its lightweight build and 13-inch cutting width offer precise maneuverability. The PowerSmart gas mower is also suitable for small yards but offers an 18-inch cut. Choose the electric model if you prioritize easy handling over maximum cutting width.
Does a gas mower require more maintenance?
Yes. Gas engines need regular oil changes, spark plug checks, and fuel stabilizer use. The PowerSmart includes a primer for starting but still demands engine care. Electric mowers have fewer moving parts. The MZK uses a brushless motor that requires minimal upkeep compared to a 4-cycle gas engine.
What cutting width should I choose?
Choose based on your yard size. The PowerSmart offers an 18-inch cut for faster coverage. The MZK provides a 13-inch cut for precision. Wider decks cover more ground per pass. Narrower decks fit better in tight spaces. Consider your yard layout and obstacle density when deciding.
Is a brushless motor better than a brushed one?
Brushless motors generally offer longer life and better efficiency. The MZK features a brushless motor for reliable performance. This design reduces wear and tear over time. Gas mowers use internal combustion engines rather than electric motors. The choice depends on whether you prefer electric efficiency or gas power.