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Napoleon Rogue R425SIB Review

Napoleon Rogue 425SIB Gas Grill

The Napoleon Rogue 425SIB is a smaller, slightly stripped down, lower cost version of one of our favorite gassers, Napoleon’s Prestige P500RSIB. The three main burners are 12,000 BTUs apiece and each has its own “Snap Jet” electric ignition that lights up when you turn the control knobs. We like this Rogue’s stainless steel guts: long lasting, high performance 7.5mm stainless steel rod grates with Napoleon’s characteristic WAVE pattern (below), and 5 stainless steel heat tents that cover each burner and the space between them to sizzle drippings for enhanced flavor and disburse heat for even cooking across the primary grill surface. Click here to read why we love thin stainless steel rod grates.

Shiny wavy shaped metal rods.

One of the coolest features of the 425SIB is the 9,000 BTU infrared burner built into the left side shelf which Napoleon calls their “Sizzle Zone” shown below.

Black wavy cooking grates over a glowing rectangular burner with a steak sizzling on top.

Most freestanding gas grills with sear burners locate them under the hood with the main burners. This unique design effectively gives you two distinct and separate cooking zones that may be used simultaneously. Cook chicken at moderate temp with the main burners dialed down, then flip the pieces onto the sizzle zone to crisp skin. Perfect for reverse sear steaks that cook low and slow up front and get finished with a hot sear at the end to produce a pink juicy interior and delicious seared exterior. Learn how to make better than steakhouse steak with the reverse sear method.

The sizzle zone has a hinged cover for protection from the elements, and a misguided choice of cast iron for the cooking grate. Cast iron grates are so heavy and so efficient at holding and transmitting heat to meat, they make definitive grill marks. But they really produce a strong contrast between marks and the rest of the meat, and that leaves much of the meat surface undeveloped. Cast iron grates are the only hope for searing on a cheap, underpowered gas grill, but a definite mismatch on this model. When testing the Prestige model mentioned above, the cast iron grates in the Sizzle Zone got crazy hot and tended to burn foods so we replaced them with thin rod grates that allowed the radiant heat from the IR burner to produce a delicious even brown crust. Click here to learn about the three ways heat cooks food.

As expected from Napoleon, the quality relative to price makes this model a good value. With double walled stainless steel construction and cast aluminum end caps, the lid is designed to retain and hold in heat. The firebox below is also cast aluminum.

Shiny steel gas grill from the side. There is a shelf with tongs hanging from it. Beneath the shelf is a small container filled with condiments.

The obligatory temperature estimator planted in the hood away from the actual cook surface is guaranteed to be way off and should be ignored. Click here to learn about using accurate digital thermometers to up your grilling game. The double door cart and control panel are a combo of stainless steel and coated steel. Both side shelves fold down and may be removed to compact the footprint. A detachable condiment basket may be placed on either side of the cart and an additional basket may be purchased for double storage. The whole deal rests on two wheel and two locking casters. Both a propane version and a natural gas version are available, but there is no kit to convert one to the other.

  • Model:
    Rogue R425SIB
  • Item Price:
    $ 899
  • Where to buy (buying from this supplier supports this website):
  • Made in USA:
    no
  • Review Method:
    Looked Closely At It
    We have seen this product up close and we have also gathered info from the manufacturer, owners, and other reliable sources.
  • Primary Function:
    Grill
  • Burner Type:
    Sear
  • Fuel:
    Propane Gas, Natural Gas Capable
  • BTU:
    36000
  • Heat Flux:
    84.71
    Heat Flux is the BTU per square inch and is a more useful measure of how much heat a grill delivers than BTU alone.
  • Main Burners:
    3
  • Primary Capacity:
    425 square inches
  • Secondary Capacity:
    195 square inches

Published On: 3/25/2017 Last Modified: 2/25/2021

  • Max Good - Max Good, AmazingRibs.com's Vice President of Product Reviews & Keeper of the Flame, is the man in charge of finding the best products for the AmazingRibs.com Equipment Reviews section. Max bottles his own barbecue sauce recipes and now sells them around the country.


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