If you have a huge yard or lots of areas to use a string trimmer, you may want to choose a gas string trimmer. These are super powerful and will get the job done quickly and efficiently.
However, with so many options on the market, it’s hard to know which one to choose. This buying guide and our in-depth reviews will introduce you to seven of the best gas string trimmers available today.
Keep reading to be matched up with something powerful and impressive.
- I-30 Starting System
- Comfortable Design
- Speed-Feed 400 Trimmer Head
- 360° Inclinable Engine
- Easy Starting Engine
- Included Strap and Harness
- Low Noise
- No Need to Mix
- Front Handle on Straight Shaft
- Compatible With Different Attachments
- Premium Carburetor
- Lightweight and Wide
- For Both Delicate and Tough Jobs
- Easy to Maneuver
- Aluminum Construction
- Easy and Fast String Loading
- 10.5 Pounds
- Adjustable and Straight Handle
- 42.7cc Engine
- Combined Brush Cutter
- Comfortable to Use for Long Jobs
The Best Gas String Trimmer of 2023
Here are seven of the best gas string trimmers on the market.
Echo 21.2cc Straight Shaft Trimmer
Best Lightweight Gas String Trimmer
The lightest gas trimmers are usually between 10-12 pounds, and here’s an awesome option at 11.5 pounds. Compared to some of the other options, this is exceptionally lighter and, therefore, will be a bit easier to maneuver around your yard.
As well as being lightweight, this is a great option for both professional and personal use. It’s not as powerful as some other options, which makes it great for home use. But it’s still durable, easy to use, and fuel-efficient, making it a decent option for professional use.
What We Like
I-30 Starting System
This gas string trimmer starts without stress. When you’re ready to zip through a job, an easy start is super important. This pick uses an i-30 system, which can reduce starting efforts by up to 30 percent.
Comfortable Design
This was designed with the customer’s comfort in mind. It comes with an ergonomic handle that has been cushioned both at the front and back. This ensures that it’s easy and comfortable to hold for long periods of time. Plus, it reduces vibrations during use.
Speed-Feed 400 Trimmer Head
The trimmer head that comes with this is a very popular and loved option. It reloads the spool in seconds without any use for tools. If you hate refilling your trimmer, this makes it easier than ever before. In as little as 30 seconds, you can refill up to 25 feet of trimmer line in and get back to smooth, even cuts.
What We Don't Like
Leaking Issues
Some customers noted that the machine started leaking oil. Maybe not right away, but after a few months. This is both dangerous and a waste of fuel, but thankfully this product is backed by a 5-year warranty.
Product Specs
| Engine Power | 21.1cc |
| Tank Capacity | 14.2 ounces |
| Cutting Swath | 17 inches |
| Weight | 11.5 pounds |
| Budget | $$ |
Our Ratings
Honda 35cc Straight Shaft Gas Trimmer
Best Easy-to-Use Gas String Trimmer
With a 35cc gas engine, the Honda straight shaft gas trimmer is one of the most powerful on the market. The customers flocked to the reviews to talk about how fun and easy this is to use. Plus, it starts without fuss, which is often a frustration point regarding other string trimmers.
What We Like
360° Inclinable Engine
One big reason this machine is a breeze to use is the unique engine which can be inclined up to 360 degrees. This allows you to use and store the machine in any position you choose.
Easy Starting Engine
When using a string trimmer, you don’t want something that’s a pain to start. Thanks to the 4-stroke engine, this is very easy to start. Once it’s going, it’s super powerful, which is great for quickly slicing through thick grass.
Included Strap and Harness
Another reason this is so easy to maneuver around is that it comes with a strap and harness. This makes it very comfortable to use, especially for long periods of time. Combined with the low vibrations, this is a joy and pleasure to own.
What We Don't Like
Badly Designed String
The string on this machine isn’t the best. Customers reported that the string broke easily, knotted up, or didn’t feed out well during use.
Pricey Option
If you’re on a budget, this price may make you want to snap your wallet shut forever. This isn’t so much a disadvantage because it’s worth the power and technology, but definitely keep this in mind if you’re on a budget.
Product Specs
| Engine Power | 35cc |
| Tank Capacity | 21.3 ounces |
| Cutting Swath | 17 inches |
| Weight | 14.8 pounds |
| Budget | $$$ |
Our Ratings
Ryobi 4-Cycle 30cc Gas Trimmer
Best Versatile Gas String Trimmer
There’s something super exciting about a gas string trimmer that’s compatible with a range of attachments. This one from Ryobi is compatible with all Ryobi expand-it attachments.
We love that it also works with other universal gas attachments. This includes things like brush cutters, cultivators, pole saws, and more. So if you want to save money and time by choosing one gas trimmer that transforms into other handy garden tools — this is one to consider.
What We Like
Low Noise
Customers love that to get this up and running, you don’t need to mix gas and oil anymore. It’s much easier to set up since you can insert gas and oil separately with this machine.
No Need to Mix
When using a string trimmer, you don’t want something that’s a pain to start. Thanks to the 4-stroke engine, this is very easy to start. Once it’s going, it’s super powerful, which is great for quickly slicing through thick grass.
Front Handle on Straight Shaft
This is super ergonomic to hold and control, even for long periods of time. Firstly, it’s a straight shaft, which combined with a front handle, makes this a breeze to use. The front handle gives you more grip and control so that you can navigate this easily around your yard.
What We Don't Like
It Might Leak
A few customers reported that this machine leaked oil or gas. While this isn’t a super common complaint, it happened enough times for us to flag it.
Hard to Start
Another common complaint was that this was hard to start. If you struggle with previous models starting and it’s not your strong point, you may want to choose one with an easy-start mechanism instead.
Product Specs
| Engine Power | 30cc |
| Tank Capacity | 11 ounces |
| Cutting Swath | 18 inches |
| Weight | 12.25 pounds |
| Budget | $$ |
Our Ratings
Toro 25.4cc Attachment Capable String Trimmer
Best Quiet Gas String Trimmer
Get on your neighbor’s good side with this gas string trimmer. Compared to other string trimmers, this one is a lot quieter, according to happy customers.
While we still recommend wearing ear protection, it’s safe to be around without ear protection. So your neighbors and family won’t be screaming over the machine due to high noise levels.
What We Like
Compatible With Different Attachments
As well as being quiet, this is attachment compatible. Just note that these are sold separately. This includes the Ryobi Expand-It attachments, such as an edger, a cultivator, a hedge trimmer, a pole saw, a blower, and more.
Premium Carburetor
This was designed with a premium carburetor which ensures an easy-start mechanism, a durable lifespan, and incredible performance. It also has a full crankshaft and professional engine to aid these factors as well.
Lightweight and Wide
Thanks to the lightweight, this is very easy to use. It only weighs 12.5 pounds, so it should be easy for most people to use around the yard. As well as that, it has an 18-inch wide cutting path, so it tears through grass and weeds quickly and efficiently.
What We Don't Like
Awkward to Hold
When starting this machine, some customers found it quite awkward to hold. You need to hold the throttle, and the safety switch simultaneously while also pulling the start cord. While this is designed with safety in mind, it’s quite hard to do by yourself.
Spark Plug Connection
Customers reported that the spark plug had issues staying connected. The cap is at the top of the engine and isn’t protected by anything. Therefore, it’s easy to damage the plug or knock it off during use.
Product Specs
| Engine Power | 25.4cc |
| Tank Capacity | 18 ounces |
| Cutting Swath | 18 inches |
| Weight | 12.5 pounds |
| Budget | $ |
Our Ratings
Sunseeker 52cc String Trimmer and Brush Cutter
Best Powerful Gas String Trimmer
If you value power over anything else, then you may like the sound of this Sunseeker string trimmer. It goes all the way up to 52cc, which is, by far, the most powerful gas string trimmer we came across during our research. It also doubles as a brush cutter, so you’re getting two tools for the price of one.
What We Like
For Both Delicate and Tough Jobs
Because this doubles as a brush cutter, it’s suitable for both delicate and tough work. The trimmer spool is great when you want to pay attention to detail around obstacles. This is great for creating a great finish in any yard. But the brush cutter blade is suitable for thick and stubborn grass and brush.
Easy to Maneuver
This machine comes with a harness so you can take some of the weight off. This makes it easier to use for long periods of time. Combine that with the ergonomic handles that mimic a bicycle, your arms will be fatigue-free and stable even after long periods of time.
Aluminum Construction
This machine is made with aluminum where it matters most. For starters, the transition has a supportive aluminum casing to help reduce vibrations. The straight shaft is also made of an aluminum tube which is both durable and lightweight.
The overall weight of this machine is 19 pounds, which when you consider the 52cc engine, is pretty impressive.
What We Don't Like
Poor Harness Quality
We love that this comes with a harness, but some customers found the quality of the harness lacking. You may want to get your own. We definitely don’t think you should skip out on a harness because, at 19 pounds, this is too heavy to use without one.
Product Specs
| Engine Power | 52cc |
| Tank Capacity | 14.2 ounces |
| Cutting Swath | 18 inches |
| Weight | 19 pounds |
| Budget | $ |
Our Ratings
Homelite 26cc Straight Shaft Gas Trimmer
Best Budget Gas String Trimmer
If you don’t want to spend a fortune on a gas string trimmer, this Homelite option is a good choice for you. It costs less than the average string trimmer, so you’re saving money, but it still comes with a 2-year warranty. So you can guarantee that it will last a good few years before you need to upgrade or replace it.
What We Like
Easy and Fast String Loading
This was designed to be quick and easy in regards to loading the string. It has an easy-load bump feed string head so you can add the string without hassle. It also allows you to do this quickly, even with a dual 0.095-inch line.
10.5 Pounds
This is a nice and lightweight option, coming in at 10.5 pounds. This makes sure that it’s comfortable and easy for most users, allowing you to navigate around your yard without stress and fatigue.
Adjustable and Straight Handle
We love the handle on this. Not only is it straight and easy to use, but it’s also adjustable. It can be adjusted from 42 to 62 inches, making this a great option for people of varying heights. It also has an additional square handle for added ease while using.
What We Don't Like
Needs Carburetor Adjustment
While this product is carb compliant, many customers suggested adjusting the carburetor yourself. On the other hand, disappointed customers found that it needed to be frequently adjusted, making the user experience more difficult.
Hard to Start
You may find this product a bit hard to start. This is very inconvenient, especially when you spend more time trying to start the engine than actually using it.
Product Specs
| Engine Power | 36cc |
| Tank Capacity | 12.8 ounces |
| Cutting Swath | 18 inches |
| Weight | 10.5 pounds |
| Budget | $ |
Our Ratings
Echo 42.7 cc Brush Cutter Trimmer
Best Professional Gas String Trimmer
While this is one of the most expensive gas string trimmers on the market, it might be right for you.
This is a great choice if you’re using a gas string trimmer for professional use. It’s powerful, reliable, and durable. If you’re using it for work, it’s even more important to invest in good quality products and this is one of the best of the best.
What We Like
42.7cc Engine
At 42.7cc, this is one of the most powerful engines available by a long shot. It’s going to help you quickly and efficiently get through tough grass and weeds. So if you want to impress your customers and save time where possible, this is the string trimmer for you.
Combined Brush Cutter
This is both a string trimmer and a brush cutter, meaning you get more for your money. The design allows you to cut through thick grass and dense undergrowth as easily as butter. The 10-inch 80-tooth brush is powerful enough to make difficult jobs easier than ever before.
Comfortable to Use for Long Jobs
For professional purposes, you’ll want something comfortable and easy to use. You may be using this all day, so you want something that’s going to treat you well.
This trimmer comes with an offset u-handle for extra control and stability. It also comes with a shoulder harness to cut down on the infamous fatigue these machines can inflict.
What We Don't Like
Requires Better Blades
The included blades could be better. Some customers opt for replacement blades, but keep in mind that’s an extra cost and may make the machine heavier.
Product Specs
| Engine Power | 42.7cc |
| Tank Capacity | 16.9 ounces |
| Cutting Swath | 10 inches |
| Weight | 18.3 pounds |
| Budget | $$$$ |
Our Ratings
| Product | Best | Engine Power | Tank Capacity | Cutting Swath | Weight | Budget |
|---|---|---|---|---|---|---|
| Echo 21.2cc Straight Shaft Trimmer | Lightweight Gas String Trimmer | 21.1cc | 14.2 ounces | 17 inches | 11.5 pounds | $$ |
| Honda 35cc Straight Shaft Gas Trimmer | Easy-to-Use Gas String Trimmer | 35cc | 21.3 ounces | 17 inches | 14.8 pounds | $$$ |
| Ryobi 4-Cycle 30cc Gas Trimmer | Versatile Gas String Trimmer | 30cc | 11 ounces | 18 inches | 12.25 pounds | $$ |
| Toro 25.4cc Attachment Capable String Trimmer | Quiet Gas String Trimmer | 25.4cc | 18 ounces | 18 inches | 12.5 pounds | $ |
| Sunseeker 52cc String Trimmer and Brush Cutter | Powerful Gas String Trimmer | 52cc | 14.2 ounces | 19 inches | 19 pounds | $ |
| Homelite 26cc Straight Shaft Gas Trimmer | Budget Gas String Trimmer | 36cc | 12.8 ounces | 18 inches | 10.5 pounds | $ |
| Echo 42.7 cc Brush Cutter Trimmer | Professional Gas String Trimmer | 42.7cc | 16.9 ounces | 10 inches | 18.3 pounds | $$$$ |
Benefits of Gas String Trimmers
So why choose a gas string trimmer — especially over electric or battery-powered options? Here’s why:
- Create a beautiful finished look in your yard.
- Easy for getting into hard-to-reach spots like around obstacles and along edges.
- Relatively lightweight and slim, so they’re not too difficult to store.
- Gas options are always cordless, making them easy to maneuver.
- Gas options are the most powerful, so they’re suitable for large yards and quick work.
- There are lots of options available on the market.
How to Choose the Best Gas String Trimmer
When choosing a gas string trimmer, it’s important to consider these key details to ensure that you pick something that will suit you.
Gas string trimmers aren’t cheap by any sense. Whenever you’re spending quite a lot of money on something, it’s best to know what you’re looking for so you don’t waste a penny.
Performance
How well will the string trimmer perform?
The first thing you want to look at is power. Gas string trimmers are measured by the engine, which is normally between 20 and 30cc. However, this can span up to 52cc, based on our research. The higher the number, the more powerful the string trimmer.
Anything above 25cc will be pretty powerful and will allow you to finish jobs quickly and efficiently.
In terms of performance, you should also consider how long your grass is and whether the gas string trimmer can handle it. The cutting height isn’t always specified, so we recommend checking out what other customers say about tall grass.
Don’t forget to look at the gas tank capacity. The bigger the capacity, the less often you’ll need to refuel it. The tank capacity is usually between 12 and 15 ounces, but there are some options with bigger tanks that are more suited to larger yards.
Last but not least, consider the cutting swath, measured in inches. The larger this is, the more the gas string trimmer can cut per sweep. Most are between 17 and 18 inches, but some are much smaller, at around 10 inches.
Purpose
Consider whether the gas string trimmer is for personal or professional use. The power best measures this. If it’s over 30cc, it will be very powerful and maybe not suited to normal home use.
Versatility
Does the string trimmer come with any attachments? Most don’t, nor are they compatible with attachments, but some options are. If you want something a bit more versatile, look for something that’s attachment capable.
Just Note
Shaft Length
The shaft length determines how long the handle is. Different lengths are better suited to people of varying heights. This is normally between 45 and 55 inches, with some longer options available. If you’re tall, consider something on the longer side.
Weight
We recommend choosing something that isn’t going to be too difficult for you to maneuver. The average weight of gas options is about 10-12 pounds, but many go up to 20 pounds.
Safety Features
Before using a gas string trimmer, always read the Use and Care Manual for safety advice. You may also want to choose an option with additional safety features to give you peace of mind.
This may include debris guards, which prevent grass, rocks, and other debris from hitting you. It may feature trigger switches or locks to prevent the machine from being accidentally turned on. There may also be padded grips to reduce vibrations.
Ease of Use
Definitely ask yourself how easy the string trimmer will be to use. This comes down to all the basic features, the weight, and feel of the machine, and other features.
For instance, you should check if the handle will be comfortable. It might help to have something ergonomic with extra handles and a slightly curved shaft. You may also want to choose something that features an easy-to-feed spool so you don’t have extra stress while using the machine.
Noise
Unfortunately, most brands don’t measure the decibel rating of their machines. But you should know that gas string trimmers aren’t quiet, especially compared to their electric competitors. Check the customer reviews to see what others are saying about noise levels.
Budget
Last but not least, choose a budget and stick to it. The price of gas string trimmers ranges from $100 to about $600, so there should be something for most people’s budgets.
On average, the cost is between $100 and $200, so you can definitely find something quality on the lower end of the price range.
What is the Basic Maintenance for a Gas String Trimmer?
Always read the manufacturer’s guide for the specific maintenance for your model. In general, basic tips include:
- Always let the machine stop running completely and cool down before cleaning or storing.
- Change the trimmer line occasionally.
- When changing the trimmer line, clean the cutting shield and the surrounding area. Use this as a time to check for wear and tear.
- If you need replacement parts, only choose ones that are approved by the manufacturer of your machine.
- Use fresh fuel for gas trimmers.
- Clean and replace the air filter as necessary.
- Clean the spark plug whenever it’s dirty.
- For 4-cycle engines, check the oil before each use.
- Keep the string trimmer clean.
- Store the string trimmer in a well-ventilated and dry area where it won’t be damaged by other items.
String Trimmer FAQs
Who Makes the Best Gas String Trimmer?
Some top manufacturers of gas string trimmers include:
- Echo.
- Honda.
- Ryobi.
- Toro.
- Husqvarna.
- Makita.
- Ego.
What String Trimmer Do Professionals Use?
We recommend the Echo 42.7 cc Brush Cutter Trimmer for professional use. Some other suitable options available on the market include STIHL trimmers, Honda, and Husqvarna. Look for something with a powerful engine and a straight shaft.
Is a Thicker Trimmer Line Better?
Thick trimmer lines above 0.0110 inches are what you’ll want to choose for thick underbrush.
All sizes are good, but they are better for different tasks. Trimmer lines between 0.085-0.110 inches are best for thick grass and weeds. Smaller trimmer lines, between 0.065-0.085 inches, are suitable for light work.
Should I Buy a Straight or Curved Shaft Trimmer?
It depends.
A straight shaft trimmer is more functional and durable. If you use your string trimmer often, particularly for professional use, you’ll want a straight trimmer. These are also more powerful. They can also speed up your work since you get an extended reach and, therefore, don’t have to bend over as often.
Also, straight shaft trimmers are more likely to be compatible with various attachments.
On the other hand, curved shaft trimmers are better suited to people who aren’t going to be using the machine as often. They’re better for smaller yards. Overall, these are usually lighter and easier to maneuver, but they aren’t as long.
So if you’re short, these will be totally fine, but if you’re tall, this may cause some backache. On the great side, these are best suited for grass and weeds, so if that’s what you’ll be tackling, we think you’ll be pretty happy with a good-quality curved shaft trimmer.
Why are Curved String Trimmers Cheaper?
Straight trimmers usually allow for interchangeable jobs, making them heavier and more powerful and, therefore, more expensive. Curved options are lighter and less versatile, which also puts them at a lower price point.
How Long Does a String Trimmer Last?
A string trimmer should last a couple of years if well maintained. The string spool should last for three to six months if you keep the weeds down by trimming them weekly.
