It depends on how you use it and your other burners. The two burner built in is pretty small if you look at the cooking area.

If you think you might use 6 burners sometimes, you could always add an overlay griddle for the times you need it. It would give you flexibility about where you put it, front to back or side to side, give you at least twice the heat if you do any high heat applications. The built in is 15K between the two burners. The add on is at least 2 times that. The add on has almost 50% more cooking area over the two burners. You can get different metals. The Royal Industries griddle is heavy aluminum in bare or nonstick. The aluminum heats much more evenly than the steel on Wolf and is lighter so would be better as an add on Than the steel.

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Chef King makes them in steel, which heavier And not as even heating.

My range is 36” and I only have the Royal Industries add on because of everything mentioned above. I have literally picked the griddle up and put it in the oven.

IMO a griddle built in only works if that is how you cook on a daily basis. I have a $25 cast iron griddle that spans 2 burners and works well for the times I need a griddle. I will also say a 48” range for most people is over kill and unless you cook for 20 on a regular basis the cost of the venting alone is a killer not to mention the noise. Go to a36” no griddles and save a ton of money you can spend somewhere else. BTW IMO Wolf is over rated and over priced.

I own a 16 year old wolf 48 6 burner rangetop with single griddle and I can tell you I wish I had the double. I use the griddle occasionally, but the double would make it much easier to use. You caan only fit 4 -5 pancakes or similar sized items on a time. Hibachi style cooking for 4 overwhelms the space of the single. I rarely use even three burners at once. These are first world problems obviously, but the exist nonetheless. Anote on the previous comment about wolf being over rated and overpriced. I have wolf wall ovens, sub-zero side by side fridge/freezer, wolf rangetop, and a Cove dishwasher. My kitchen is 16 years old and running strong. Few problems over the years. Rapid and excellent service from the local factory certified repair business. I have never been charged for service. Love my Wolf/ sub z products.

@dukelisa

I have a 48inch Wolf range top with 24inch griddle. I recommend a 24inch griddle as it is much more versatile than having more to burners. Let me know if you have questions.