A natural gas grill with a side burner can make backyard cooking easier: you get a steady fuel connection for the main grill and a separate spot for sauces or side dishes. The key is checking fuel compatibility carefully. Several grills below are propane-only, while others are listed for natural gas or offer a conversion option. Here’s how they compare, including what to confirm before you buy.
Quick Comparison
| Product | Fuel compatibility | Burners and cooking features | Best for |
|---|---|---|---|
| La Bolata 4-Burner Grill with Side Burner and Griddle | Propane | Four main burners, side burner, cast-iron grates and griddle plate | Propane users who want grill-and-griddle flexibility |
| Electactic Stainless Steel 4-Burner Grill | Propane | Four main burners, side burner, warming rack | Propane users who want a stainless-steel design |
| 4-Burner Propane Grill and Griddle Combo | Propane | Four main burners, side burner, grill grates and reversible griddle | Propane users who want multiple cooking surfaces |
| Monument Grills Denali 605 6+1 Convertible Grill | Natural gas with the specified conversion kit; confirm exact model | Six main burners, side burner, 895 square inches of total cooking area | Large cookouts and connected smart features |
| Monument Grills 4+1 Natural Gas Grill | Natural gas only; hose included | Four main burners, 4+1 configuration, broil zone and viewing window | Natural gas users who want a high-heat searing area |
Our Picks: Best Natural Gas Bbq Grill With Side Burner reviews
La Bolata 4-Burner Grill: A Propane Pick with a Useful Griddle
This four-burner grill combines cast-iron grates with a dedicated griddle plate, so you can cook foods such as burgers, eggs, or pancakes without moving to a separate appliance. Its side burner is intended for tasks like warming sauces and preparing sides while the main grill is in use.
The listed features include a double-wall stainless-steel lid, built-in thermometer, warming rack, tool holders, and a pull-out grease tray with a removable cup. Owner experiences supplied for this model describe even heating and useful side-burner performance. Some also find it a practical size for a smaller household, though cooking capacity may feel limited compared with a larger grill.
Important fuel note: This model is listed as a propane grill, not a natural gas grill. It is not the right choice for a natural gas hookup unless the manufacturer confirms an approved conversion option for this exact model.
Pros:
- Includes both grill grates and a separate griddle plate.
- Side burner adds room for sauces and sides.
- Pull-out grease tray is designed for simpler cleanup.
- Built-in thermometer and warming rack add useful everyday features.
Cons:
- Listed for propane, so it does not directly meet a natural gas requirement.
- Its cooking surface may feel compact for larger gatherings.
Verdict: Choose this model if you want a versatile propane grill with a side burner and griddle, but skip it if you need a grill ready for a natural gas line.
Electactic Stainless Steel 4-Burner Grill: A Straightforward Propane Setup
The Electactic is a four-main-burner propane grill with a separate side burner listed at 10,000 BTU. It has porcelain-enameled cooking grids, a warming rack, tool hooks, and a built-in thermometer. A removable grease cup and sloped grease tray are designed to make routine cleanup easier.
The product description emphasizes stainless-steel construction and a double-wall lid. Owner experiences supplied for this model point to a stable feel after assembly, convenient cleaning, and strong heat for searing. Assembly time can vary, and one owner notes that the design does not accommodate adding lava rocks to the grill’s bottom.
This is a propane-only choice in the supplied product details. Its side burner and practical layout may suit someone shopping for a propane setup, but it should not be treated as a natural gas model. Check the exact fuel requirements before connecting any grill to a gas supply.
Pros:
- Four main burners plus a separate side burner.
- Stainless-steel construction and double-wall lid are listed features.
- Removable grease cup and sloped tray support easier cleanup.
- Includes a warming rack, thermometer, and tool hooks.
Cons:
- Listed as a propane grill, not a natural gas model.
- Does not have a design for adding lava rocks, according to the supplied owner experience.
Verdict: This is a practical propane option with a side burner, but natural gas shoppers should focus on a model specifically listed for natural gas or an approved conversion.
4-Burner Propane Grill and Griddle Combo: Flexible Cooking in One Cart
This combo offers four main burners, a side burner, two grill grates, and a reversible griddle. Its modular surface lets you choose between grilling and griddle cooking, which is handy if your menu includes both seared food and items better suited to a flat top. The lid has a built-in thermometer, and the grease tray directs drippings toward a removable cup.
The listed cooking features include porcelain-enameled cast-iron grates, a double-wall insulated lid, and four swivel casters, with two that lock. Owners describe it as a versatile option for family meals, including using the side burner for simmering. Assembly experiences vary, but the supplied feedback describes the instructions as manageable.
Despite its broad cooking range, this model is explicitly listed as propane. It does not qualify as a natural gas grill based on the provided details. Compared with the La Bolata, it offers a reversible griddle and modular surface; neither propane model is a direct fit for a natural gas connection.
Pros:
- Combines grill grates and a reversible griddle.
- Separate side burner can handle sauces or simmering.
- Locking casters help keep the cart in place.
- Removable grease cup and built-in thermometer are included.
Cons:
- Listed for propane, not natural gas.
- The combination cooking surface may be more than you need if you only grill.
Verdict: Consider this combo for varied outdoor cooking on propane; for a natural gas hookup, select a compatible natural gas model instead.
Monument Grills Denali 605: Large Natural Gas Setup with Smart Controls
The Denali 605 is the largest grill in this lineup, with six main burners, one side burner, and 895 square inches of total cooking area, including the warming rack. Its description lists 84,000 BTU of total cooking power. That size can be useful when you often cook for a group or want room to manage different foods at once.
This grill’s natural gas compatibility needs careful checking. The supplied details say the Denali 605 can use natural gas after purchasing Monument Grills conversion kit model 98523 separately. They also say the Denali 405 and 425 are propane-only. Confirm that the selected listing is specifically the 605 and that the conversion kit is compatible before ordering.
Features include Bluetooth app control, a digital temperature display, a grill probe, a viewing lid, and illuminated control knobs. These extras provide more ways to monitor cooking, but they also make this a more feature-heavy option than the simpler natural gas grill below. The product information also notes that the grill and accessory may ship in separate packages.
Pros:
- Large cooking area with six main burners and a side burner.
- Natural gas operation is available for the Denali 605 with the specified kit.
- Bluetooth controls, digital display, and grill probe add monitoring options.
- Viewing lid lets you check food without opening the grill.
Cons:
- The natural gas conversion kit is sold separately.
- Model selection matters: the supplied details identify the 405 and 425 as propane-only.
Verdict: The Denali 605 is the better fit if you want a large grill with smart features and are willing to verify and purchase its specified natural gas conversion kit.
Monument Grills 4+1 Natural Gas Grill: Direct Natural Gas and a Broil Zone
This Monument grill is listed as a natural gas-only model and includes a natural gas hose. It has four main burners and a 4+1 burner configuration, with 50,000 BTU of total power. Its specialized broil zone is designed for high-heat cooking, and the description says it can reach up to 650°F in 10 minutes.
The product details list 304 stainless-steel burners, enameled cast-iron grates, a viewing window, a dual-layer lid, knob lights, a bottle opener, and a grease funnel system. Owner experiences supplied for this model describe quick ignition, easy assembly, and strong heat for searing. These features make it the more direct natural gas option in this roundup, though the listing should be checked to confirm the fifth burner’s role and placement if a separate side burner is essential to you.
Its 630-square-inch total cooking area is smaller than the Denali 605’s, so the Denali is the better match for frequent large gatherings. In return, this model comes with a natural gas hose and does not require the separate conversion kit described for the Denali.
Pros:
- Listed as natural gas-only and includes a natural gas hose.
- Four main burners and a high-heat broil zone.
- Viewing window, knob lights, and bottle opener add convenience.
- Enamel-coated cast-iron grates and a grease funnel system support cooking and cleanup.
Cons:
- The supplied details do not clearly describe the fifth burner’s location, so confirm it is a side burner if that is a must-have.
- Its listed total cooking area is smaller than the Denali 605’s.
Verdict: This is the most direct natural gas choice in the group, provided the listing confirms the 4+1 configuration includes the side burner you want.
How to Choose a Natural Gas BBQ Grill with a Side Burner
Confirm the fuel type before comparing features
Start with the grill’s exact fuel listing, not just the words “gas grill” in its title. Propane and natural gas models are not automatically interchangeable. In this roundup, the first three grills are listed for propane, the Denali 605 needs its specified conversion kit for natural gas, and the Monument 4+1 is listed as natural gas-only. Confirm the precise model and required connection parts before buying.
Make sure the side burner is clearly identified
A 4+1 or 6+1 burner label can suggest a separate burner, but check the product details to see whether it is actually described as a side burner. If you plan to cook sauces, vegetables, or other sides while grilling, make sure the burner is separate from the main cooking area and that the listing describes its intended use. This is especially worth checking for the Monument 4+1, whose supplied details do not clearly state where the fifth burner is located.
Match cooking space to the meals you make
A larger cooking area gives you more room to separate foods and cook for a crowd, but it also takes up more patio space. The Denali 605 has the largest listed area in this group at 895 square inches. The Monument 4+1 lists 630 square inches, while the propane models offer grill-and-griddle flexibility in different layouts. Think about your usual group size, storage space, and whether you need a warming rack.
Choose burner power and heat control for your cooking style
BTU figures describe listed heat output, but they do not tell the whole story about how a grill will cook. Look at the number of independently controlled burners, any dedicated searing or broil zone, and how you plan to use the side burner. The Monument 4+1 highlights a high-heat broil zone, while the Denali 605 offers six main burners and a separate side burner for a larger cooking setup.
Consider surfaces beyond standard grill grates
If you want to cook breakfast foods, smash burgers, or other items that work better on a flat surface, a grill with a griddle plate may be useful. The La Bolata has a dedicated griddle plate, and the propane combo has a reversible griddle. These options add flexibility, but neither is listed as a natural gas grill in the supplied details.
Look at cleanup, storage, and mobility
Removable grease cups and trays can make cleanup less awkward, while tool hooks and side shelves help keep essentials nearby. Locking casters can help secure a grill after you move it. Check which of these features matter most in your outdoor space, and consider whether you have room to leave the grill in place or will need to roll it regularly.
Verify what is included and what must be purchased separately
Pay close attention to hoses, conversion kits, and model-specific accessories. The Denali 605’s natural gas setup requires the separately sold kit listed in its product details. The Monument 4+1 listing says a natural gas hose is included. Verify the current package contents and compatibility on the product page before making your decision.
Frequently Asked Questions
Can I connect a propane grill to a natural gas line?
Do not assume that you can. The propane grills in this roundup are not listed as natural gas-ready. Only use a natural gas connection if the manufacturer lists the exact model as compatible and specifies the required conversion parts.
Which grill in this roundup is listed for natural gas?
The Monument Grills 4+1 is listed as natural gas-only and includes a natural gas hose. The Denali 605 can use natural gas with the specified conversion kit, sold separately. Confirm the exact model and configuration before ordering either grill.
Which option has the largest listed cooking area?
The Monument Grills Denali 605 has the largest listed total cooking area at 895 square inches, including its warming rack. The Monument 4+1 lists 630 square inches.
Does the Monument Grills 4+1 definitely have a side burner?
The product title describes a 4+1 burner setup, but the supplied feature details do not clearly identify the fifth burner as a side burner. Check the product listing or confirm with the seller if a separate side burner is essential.
Is a side burner useful on a BBQ grill?
It can be handy for preparing sauces, warming sides, or simmering food while the main grill is occupied. If you expect to use it often, confirm that the side burner is included and check its listed heat output.
Which grill is best for a large cookout?
The Denali 605 offers the largest listed cooking area and six main burners, making it the most spacious option here. Remember that its natural gas operation requires the specified conversion kit, and the exact model should be confirmed before purchase.
Final Recommendation
For a straightforward natural gas setup, the Monument Grills 4+1 is the strongest starting point because it is listed as natural gas-only and includes a natural gas hose. However, confirm that its fifth burner is a separate side burner before buying. If you want more cooking space and smart controls, consider the Denali 605, but factor in its separately sold conversion kit and verify that you are selecting the compatible model. The three remaining grills are propane choices, so they are better suited to shoppers who do not need natural gas compatibility.
