One of the biggest decisions when buying a new mower is whether to go with a gas-powered or electric (battery-powered) model. Both have their advantages and disadvantages, and the right choice depends on your lawn size, budget, maintenance preferences, and environmental concerns. In this article, we'll compare electric and gas mowers across several key categories to help you make an informed decision.
Power and Performance
Gas-Powered Mowers
Gas mowers have long been the standard for lawn care, and for good reason. They deliver consistent, high-torque power that can handle thick, wet, or tall grass without bogging down. Gas-powered self-propelled mowers and riding mowers are particularly well-suited for large properties and challenging terrain.
Electric Mowers
Modern battery-powered mowers have come a long way. With brushless motors and high-capacity lithium-ion batteries (40V, 60V, and even 80V), today's electric mowers deliver power that rivals many gas models. They excel on small to medium lawns with regular maintenance. However, they may struggle with very tall, wet grass or properties over 0.5 acres on a single charge.
Runtime and Coverage
| Mower Type | Runtime | Ideal Lawn Size |
|---|---|---|
| Gas Push Mower | Unlimited (refill tank) | Up to 1 acre |
| Gas Self-Propelled | Unlimited (refill tank) | Up to 2 acres |
| 40V Cordless | 30–45 minutes | Up to 0.25 acres |
| 60V Cordless | 45–60 minutes | Up to 0.5 acres |
| 80V Cordless | 60+ minutes | Up to 0.75 acres |
For larger properties, gas mowers have a clear advantage — you simply refill the tank and keep going. With electric mowers, you need to recharge the battery (typically 30–60 minutes), though having a spare battery can extend your mowing session.
Maintenance Requirements
Gas Mower Maintenance
- Change oil every 25–50 hours of use or once per season
- Replace air filter annually
- Replace spark plug annually
- Clean or replace fuel filter as needed
- Drain fuel or add stabilizer before winter storage
- Clean carburetor if engine runs rough
Electric Mower Maintenance
- Sharpen or replace blades as needed
- Clean deck after each use
- Store battery indoors at room temperature
- Replace battery every 3–5 years (typical lifespan)
- No oil changes, spark plugs, or fuel filters
Electric mowers require significantly less maintenance. There are no oil changes, spark plugs, air filters, or fuel to manage. This makes them ideal for homeowners who want a hassle-free mowing experience.
Noise Levels
Gas mowers typically produce 85–100 decibels of noise — loud enough to require hearing protection and disturb neighbors. Electric mowers are much quieter, producing 65–75 decibels, which is comparable to a normal conversation. If you live in a neighborhood with noise restrictions or prefer to mow early in the morning without disturbing anyone, an electric mower is the better choice.
Environmental Impact
Gas-powered mowers contribute to air pollution through exhaust emissions. According to the EPA, a gas mower operating for one hour produces as much air pollution as a car driving for 45 miles. Electric mowers produce zero emissions during operation, making them the environmentally friendly choice. If you're concerned about your carbon footprint, an electric mower — especially one charged with renewable energy — is the way to go.
Cost Comparison
- Initial cost: Electric mowers are generally comparable to or slightly less expensive than gas mowers of similar quality. High-end electric models with large batteries can cost more upfront.
- Ongoing costs: Gas mowers require regular purchases of oil, spark plugs, air filters, and fuel. Electric mowers only require electricity for charging, which costs pennies per charge.
- Battery replacement: Electric mower batteries typically need replacement every 3–5 years, costing $100–$300 depending on voltage and capacity.
Which Should You Choose?
Choose a Gas Mower If:
- Your lawn is larger than 0.5 acres
- You frequently mow thick, wet, or overgrown grass
- You need maximum cutting power for challenging terrain
- You don't mind regular maintenance tasks
Choose an Electric Mower If:
- Your lawn is 0.5 acres or smaller
- You want low-maintenance, hassle-free operation
- You value quiet operation
- You're concerned about emissions and environmental impact
- You want instant push-button start (no pull cord)
Explore Our Mower Collections
Ready to choose? Browse our walk-behind mowers for both gas and electric options, or check out our zero-turn mowers for large properties. Need help deciding? Contact our team for personalized recommendations based on your lawn size and needs.