Primo Kamado Oval Ceramic BBQ Grill 2018 Review

The Primo kamado oval ceramic BBQ grill has lost it's way value wise in recent years but will the 2018 season catapult it back to the top of the pile?

The Primo kamado in action

The Primo Kamado ceramic BBQ grill is regarded as one of the finest ways to cook outdoors and like all ceramic kamado barbecues it can operate as a high temperature grill or slow roasting smoker.

The Primo used to be the "crème de la crème" of the ceramic barbecue scene but thanks to strong competition and a lack of innovation I have considered it poor value for money compared with the Monolith "LeChef" and Kamado Joe "Big Joe" in recent years.


The fundamentals of a ceramic BBQ grill is that when grilling, it heats up really quickly so you can be cooking on it 15 minutes after lighting it and you can hit sufficiently high temperatures for cooking pizza or use it like a tandoor.

With the introduction of a heat deflector stone between the fire and the cooking grate you can then cook indirectly and roast like in a traditional oven or smoke at low temperature for long periods of time.

It’s a charcoal fuelled unit that has fine temperature control using two variable dampers, one under the firebox and one on top of the unit. 

Why Buy A Primo Kamado?

I was fortunate enough to get the opportunity to try a Primo recently and compare it to the Big Green Egg & Monolith grills that I have at home. Essentially all are ceramic barbecues and therefore you'd think that they all performed similarly, and you'd be right. You'd also then assume that the differential between them was price, and again you'd be partially right with the Primo beating the Egg but Monolith offering dramatically better value because of it's lower recommended retail price and the extensive bundle of accessories included as standard.

Roast pork on the Primo kamado

A couple of features of the Primo kamado used to make it stand out from the kamado crowd but now I find the Primo a bit of a white elephant.

  1. The largest Primo is oval in shape. Arguably not the traditional shape for a kamado but it's a feature that used to make it more versatile for cooking large pieces of meat (as in the photo above) or indeed long skewered kebabs. Most circular kamados now have a large size which compares favourably with the Primo in terms of cooking space. Secondly Monolith produce a 7 skewer rotisserie unit that eliminates my other argument for the oval shape, moreover the oval becomes a disadvantage because you are limited with the amount of accessories that you can use as many other accessories are interchangeable between round kamado manufacturers.
  2. Primo kamado also used to excel for indirect cooking because the heat deflector stones "D plates" were in two halves which means that you only have to use one half (if you wish) and so cook both directly and indirectly at the same time. See below:
Two halves to the Primo kamado

Now both Kamado Joe and Monolith offer similar solutions at significantly lower entry cost.

But Primo also features a cast iron firebox divider so you can have a fire (heat source) in just one side of the kamado:

  • Handy for vertical roasting skewers
  • True heat segregated grilling and smoking
  • Additional economy when cooking a small amount

...and so now does Monolith. To be fair, the Monolith solution isn't cast iron, it has a stainless steel charcoal basket with divider but it works just as well.

To help you understand the value of the split heat deflector stone I made a direct comparison of the Oval Primo versus Big Green Egg (Large) and whilst this article is still current (Big Green Egg still doesn't have a split heat deflector stone) it serves to highlight just how far Kamado Joe and Monolith and stolen a march versus what might be regarded as the two old hacks of the kamado business.

So what else is there to commend the Primo kamado? Well the cart is well built and has stainless steel side shelves which look the part and are easy to clean. Lastly it's the only kamado still to be made in a 1st world country (USA) and if you choose to buy on this point alone then I applaud you.

The 2018 Oval Primo Kamado Innovation Is The G420 Gas Grill

Welcome to the Primo kamado G420 gas grill!

The Primo Kamado G420 with all stainless steel head, 4 burners and central ash trayThe Primo Kamado G420 with type 304 stainless steel head, 4 burners and central ash tray

The Primo Kamado G420 oval is best thought of as a gas grill with all the benefits of a ceramic shell rather than a "more convenient than charcoal" kamado. 

The beauty of any ceramic grill is that they are tremendously forgiving and temperature control is easy so if looking at it from the latter perspective then for me there's not much to write home about.

Primo G420 Features

The Primo G420 comes in two distinct guises

  1. In cart with two folding side shelves, two drawers and a gas tank storage cabinet.
  2. Head only suitable for installation into an outdoor kitchen unit.

The first thing that you notice about either option is the lack of central flue which frankly I hate. The smoke vents from the around the hinge at the rear of the unit which is a perfectly "fit for purpose" technical solution and at the same is just like any other gas grill but for me there's something special about watching the smoke from my kamado plume into the air from the central daisy wheel flue. 

The rear vent system means that the felt gasket doesn't seal all the way round the rear of the oval. I have a concern that the lack of ability to regulate air flow may reduce that juiciness that you can expect from a regular kamado. Let's face it, a gas grill must have an air flow otherwise the burners will snuff out but what level of air flow do you need and does the free flow of air dry food out quicker than a regular kamado? I haven't had chance yet to cook on one of these units so the jury's out on this point. 

Build quality however is difficult to fault. The head and all it's components are made from type 304 grade stainless steel. 

The Primo G420 grates, burners, flavour bars and smoke box are made from type 304 stainless steel.The Primo G420 grates, burners, flavour bars and smoke box are made from type 304 stainless steel.

Four in line burners are laid out as two central high intensity heat burners for grilling / searing and two outer low intensity burners for indirect cooking.

The Primo G420 "in cart" model is supplied with LPG burner orifices fitted as standard and natural gas orifices are included for retro fitting if required. The converse offering applies for the head only option. 

As you would expect there are heat deflector plates and a smoker box for adding wood chips, both of which are stainless steel and available at extra cost. 


I used to be a fan of the oval design because it gave greater flexibility versus the other round kamado manufacturers but both Monolith and Kamado Joe have not only caught up, they've overtaken it. The oval shape now appears to be a distinct disadvantage because the lack of accessories to fit the oval restricts versatility. (Rotisserie, wok stand and cast iron plancha to name a few).

The Primo is also expensive versus Kamado Joe and Monolith so I'm not seeing where the value is. For sure is still knocks the spots off a Big Green Egg in terms of versatility but Kamado Joe and Monolith are both streets ahead in terms of usability, range of accessories and value for money.

As far as the Primo kamado G420 is concerned I think that this is going to make many a gas grill enthusiast sit up and take notice because of the advantages of the insulated ceramic. 

Where Can You Buy A Primo Kamado?

Ceramic barbecues are justifiably expensive to buy but the best bit about the Primo (unlike it’s stablemate the Big Green Egg®) is that you can buy it on-line. The benefit to you and me is that this means you can be assured of getting a reasonable price and have it delivered to your door.

To Buy A Primo In The UK

BBQ Store UK and Dawsons BBQ World display both Primo and Monolith ceramic grills leaving you free to compare and contrast.

Alternatively you can use the store finder page on the Primo website.

International Readers

Please use this Amazon link to take you through to your local store:

Use this button to buy Primo grills from Amazon

See Also:-

Monolith Kamado BBQ
Kamado Joe
Big Green Egg
Changing A Kamado Felt Gasket
Traditional Smokers
Traditional Grills
BBQ Accessories
Patio Furniture

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