Best Gas Grills for the Backyard: Top Outdoor Grills for Every Space

Discover top-rated gas grills designed to elevate backyard barbecues. This guide highlights five versatile models from Monument Grills and related brands, with durable stainless steel construction, ample cooking space, and features tailored for family gatherings and weekend cooks. Use this overview to compare heat output, fuel flexibility, and convenience features before choosing your next outdoor grill setup.

Product Cooking Area BTU / Burners Key Feature
Monument Grills Mesa400MF 570 sq. in. primary + 165 sq. in. warming 36,000 BTU / 4 burners Clearview lid, foldable shelf
Brand-Man 40-Inch 6-Burner 860 sq. in. total cooking 60,000 BTU / 6 burners Fuel-flexible, conversion-ready
Monument Grills Mesa415BZ 630 sq. in. total 65,000 BTU? (noted 650F sear in 10 min, 4 burners + side burner) Advanced sear zone, Clearview lid
Monument Grills Mesa420MF 570 sq. in. primary + 165 sq. in. warming 36,000 BTU / 4 burners Single foldable side shelf
Monument Grills Larger 4+2 723 sq. in. total surface 72,000 BTU / 4+2 burners Infrared side sear + built-in thermometer

Monument Grills Mesa400MF: 4-Burner Gas Grill

Monument Grills Mesa400MF grill image

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Four 304 stainless steel burners deliver reliable heat, totaling 36,000 BTU for durable performance across medium to large cooks. Each burner includes its own control knob for precise flame adjustment, helping maintain even temperatures across the 570 square inches of primary cooking space and a 165 square inch warming rack. The lid design supports monitoring and heat retention for consistent results. A matching grill cover (included with some packages) provides weather resistance and UV protection to preserve the finish between uses. The Mesa400MF is well-suited for backyard gatherings where dependable performance and straightforward operation matter most.


Brand-Man Propane Gas Grill: 40-Inch, 6 Burners

Brand-Man 40-Inch 6-Burner grill image

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Designed for versatility, this 40-inch grill supports LPG and is convertible to natural gas with a conversion kit (sold separately). It features two rust-resistant matte cast iron grates and an extra cast iron griddle plate, facilitating searing, grilling, and even breakfast-style cooking. With a generous 860 square inches of total cooking space (620 sq. in. primary and 240 sq. in. warming), it’s ideal for large gatherings. The grill supports cooking multiple dishes at once, making it a practical option for entertaining and meal-prepping outdoors.


Monument Grills Mesa415BZ: 4-Burner Plus Side Burner

Monument Grills Mesa415BZ grill image

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Equipped with an advanced sear zone, this model achieves high heat quickly, up to around 650°F in ten minutes. It offers a total cooking area of 630 square inches, including a primary cooking space and a warming rack. The clear-view lid with enhanced temperature gauge helps monitor progress without opening the grill, preserving flavor and heat. The Mesa415BZ is built for serious backyard cooks who want strong searing performance alongside practical monitoring and reliable heat distribution.


Monument Grills 4-Burner Larger Convertible: 4+2 Burners

Monument Grills 4+2 burner grill image

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This dual-fuel grill operates with propane or natural gas and can be converted with a dedicated kit. It features four main stainless steel burners plus a side burner, delivering a total BTU rating of about 60,000–70,000 through robust heat output. The expansive 723 square inches of total cooking space provide ample room for large gatherings, including a 513 sq. in primary zone and a 210 sq. in warming rack. The design emphasizes versatility, efficient heat distribution, and long-lasting stainless steel construction for outdoor use.


Monument Grills Mesa420MF: 4-Burner Gas Grill with Foldable Shelf

Monument Grills Mesa420MF grill image

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With four 304 stainless steel burners delivering 36,000 BTU, this model focuses on reliable, even heat across a 570-square-inch cooking area and a 165-square-inch warming rack. A single foldable side shelf enhances storage and mobility, complementing the left-side fixed handle. The Mesa420MF offers practical design for users who value efficient space use and a sturdy cooking platform for family meals and weekend barbecues.


Buying Guide: How to Choose the Right Gas Grill for Your Backyard

  • Cooking space and layout: Consider total cooking area, primary zone, and warming racks. For larger families or frequent entertaining, prioritize models with 600+ square inches of primary space and extra warming area.
  • Fuel flexibility: If you want to switch between propane and natural gas, look for grills advertised as dual-fuel compatible or convertible with a kit. This can reduce running costs and increase fuel options.
  • Heat performance and searing: Sufficient BTU output matters, but heat distribution is equally important. Features like dedicated sear burners, flame tamers, and insulation influence performance and even cooking.
  • Durability: Stainless steel burners and corrosion-resistant grates improve longevity in outdoor conditions. Porcelain-enameled grates offer non-stick benefits and easier cleanup.
  • Convenience features: Lids with viewing windows or enhanced gauges help monitor cooking without heat loss. Foldable shelves and built-in thermometers add practical utility.
  • Weather protection: Look for model-specific covers or weather-resistant components to preserve appearance and performance between uses.
  • Maintenance and cleaning: Removable grates and accessible flame tamers simplify cleaning. Consider models with drip trays or easy-access grease management for upkeep efficiency.
  • Assembly and mobility: Heavy-duty wheels and clear assembly instructions save setup time. Foldable shelves improve storage and transportability for smaller spaces.
  • Budget and space fit: Weigh upfront cost against cooking area, durability, and brand support. For tight spaces, compact 3- to 4-burner options might be more suitable, while larger gatherings benefit from 4+ burners and wider surfaces.