Napoleon Prestige Pro 665 vs. Weber Summit 670 Grill – A Head 2 Head Comparison & Review

I’ve been thinking about installing a built-in grill in my home, but after checking out my options, it’s really over my budget.

Rather than buying a built-in grill, I’ve decided to buy a high-end grill that comes with literally all the bells and whistles.

I‘ve researched this space, and have narrowed my list down to the Napoleon Prestige Pro 665 and Weber Summit 670 grill models.

So, without ado, here’s my head-to-head comparison of the Napoleon Prestige Pro 665 and the Weber Summit 670 grill to ease your buying decision.

---

Napoleon Prestige Pro 665 vs Weber Summit 670 Gas Grills

1. Comparing the Brands

Napoleon is the largest North American privately-owned manufacturer of grills, fireplaces and furnaces.

Founded in 1976, the company also known as Wolf Steel LTD. invented the first 30,000 BTU fireplace in 2013, after which it has continued to develop multiple patented inventions for grills, fireplaces, and other heating and cooling products.

Weber was founded way back in 1893 and is a publicly-traded American manufacturer of grills and related accessories.

The company conceived the original charcoal kettle grill in 1951, which is still today one of its bestselling models in its segment. Apart from grills, Weber owns several leading restaurants in different tips of the USA.

2. Main Grilling Features and Functionality

The Napoleon Prestige Pro 665 is truly a stunner, but also has a lot to offer under its hood. It comes with all the features required for professional backyard grilling like unmatched heat retention for oven-like performance, and top-rated searing.

One of the noteworthy features of the Napoleon Prestige Pro 665 grill is its integrated smoker tray coupled with a dedicated burner to add smoke to all of your grilled dishes.

Adding to this, the Prestige Pro 665 comes factory fitted with the company’s iconic WAVE cooking grids that provide distinctive sear marks.

The Napoleon Prestige Pro 665 gas grill features an infrared sizzle zone side burner that allows you to achieve steakhouse perfection.

But that’s not all, the Prestige Pro 665 grill by Napoleon also comes with a rear infrared rotisserie burner that’s perfect for high heat searing and slow pit roasting.

The Napoleon Prestige Pro 665 gas grill comes with RGB spectrum night light knobs for great nighttime entertainment.

The Weber Summit E-670 gas grill allows you to cook everything from burgers on the grate to crispy chicken on its onsite rotisserie.

Additionally, the Weber Summit E-670 grill comes with a separate sear station that allows you to quickly add sear marks on the meat.

A noteworthy grilling feature of the Summit E-670 is its integrated smokebox, which allows you to infuse your food items with flavorful smoke.

The Summit E-670 grill by Weber is equipped with a tuck-away rotisserie system at the rear. This rotisserie system is mated with a flip-up motor and a separate split and fork storage area.

Furthermore, the Summit E-670 grill features a LED fuel gauge, which allows you to you clearly see the amount of fuel left in the tank.

The handle of the Summit E-670 grill comes with a light, which turns on automatically when you lift the lid and turns off when you shut the lid.

Winner – Napoleon Prestige Pro 665

3. Burner Quality  

The Napoleon Prestige Pro 665 is fitted with premium quality burners that provide the perfect balance of fuel and ignition.

What makes these burners stand out from the crown is their cross-lighting capabilities, which automatically ignites the adjacent burners if a burner goes out or fails to light.

The Weber Summit E-670 comes with six high-quality stainless steel burners coupled with a Snap-Jet individual burner ignition system.

Winner – Napoleon Prestige Pro 665

4. Cooking Temperature Ranges

The Napoleon Prestige Pro 665 grill generates a total of a whopping 99,000 BTUs of firepower in its main cooking area, and additional flame power via its infrared sizzle zone side burner, and rear infrared rotisserie burner.

The Weber Summit E-670 offers 60,000 BTUs via its main six burners, and an additional 10,600 BTUs via its sear station burner, 12,000 BTUs via its side burner, 10,600 BTUs via its rear-mounted infrared rotisserie burner, and 6800 BTUs via its stainless-steel smoker box.

Winner – Weber Summit E-670

5. Quality of Construction & Build

The Napoleon Prestige Pro 665 boasts a solid build complete with its shining stainless steel body that provides great excellent durability against the elements. Additionally, it features subtle chrome details that add a touch of luxury to the grill.

The Weber Summit E-670 grill also features a stainless-steel build but is topped with a black finish.

Winner – Tie

6. Ease of Use

Both the Napoleon and Weber grills are fairly easy to use with their push-to-start ignition system and large control knobs at the front.

The Prestige Pro 665 however comes with illuminated control knobs, which allow you to grill easily in low light conditions.

You can change the brightness and color of these knobs to any color in the spectrum or set them to cycle.

The Weber comes with a handle light complete with a built-in sensor, and an LED fuel gauge to quickly and easily let you know the amount of fuel left in the tank.

The Napoleon Prestige Pro 665 is fitted with interior grill lights and a proximity lighting display that shines a logo on the ground.

Winner – Tie

7. Grilling Space Available

The Napoleon Prestige Pro 665 grill offers 665 square inches of primary grilling space, whereas the Weber offers 624 square inches of primary cooking area.

Winner – Tie

8. Fuel Efficiency

The Napoleon and Weber are gas grills, therefore their fuel efficiency is the same, and depends on several factors such as how often you grill, the temperature the food is being cooked, and for how long the grill is used.

Depending on where you live, it costs roughly between $14 to $20 to refill a 20 lbs propane tank. Since the Napoleon Prestige Pro 665 and Weber Summit E-670 are large size grills, you can expect a 20 lbs propane tank to last about 10 hours.

9. Grate Quality

The Prestige Pro 665 grill comes with the company’s revolutionary WAVE cooking grids, which as the name suggests has a wavy shape for several good reasons.

The wave shape isn’t just for looks or the iconic sear marks, but encourages even heating and provides more surface area.

Furthermore, the wave shape prevents smaller foods from falling through the grates, resulting in a cleaner grill.

But most importantly, the wave shape increases the service life of the grill grates by permitting heat expansion and contraction.

The WAVE grill grates of the Prestige Pro 655 grill are crafted from highly resistant and durable stainless steel.

Stainless-steel cooking grates are virtually maintenance-free, heat quickly, and cool just as fast.

The Weber Summit E-670 comes with heavy gauge 9mm stainless steel rod cooking grates and flavorizer bars for long-lasting durability. These grates retain heat evenly, are great for searing food items, and are a joy to clean!

Winner – Napoleon Prestige Pro 655

10. Storage Capacity

Both the Napoleon and Weber grills come with a large storage box in the bottom center of the grills. Additionally, they also feature tool hooks to hang your essential grilling tools.

Winner – Tie

11. Weight & Portability

The Napoleon Prestige Pro 665 and the Weber E-70 Summit grills boast solid build quality and tip the scales at 334 lbs and 400 lbs respectively.

The Napoleon and the Weber come with wheels at the bottom to move them around easily.

Winner – Tie

12. Ease of Cleaning & Maintenance

The Napoleon Prestige Pro 665 and Weber E-670 are propane gas grill models, so they’re easy to clean and maintain. Plus, both models are made from stainless steel, which for the most part is rust-resistant. Even if the grates rusts after a long storage you would be able to easily get the rust off.

Winner – Tie

13. Price & Warranty

This is where things get a bit interesting because both the Weber and Napoleon are available at almost the same price points.

The Napoleon Prestige Pro 665 grill is priced at $1800 and comes with a bumper-to-bumper lifetime warranty. The Weber Summit E-670 gas grill is priced at $3200 and comes with a 10-year warranty on all parts of the grill.

14. After-Sale Service Quality

Weber and Napoleon are leading brands in the grilling space, and offer unsurpassed after-sales service via email, phone, and certain social media channels.

15. Resell Value

The resell value of the Napoleon Prestige Pro 665 and Weber Summit E-670 depends on several factors including the age of the grill and its condition.

You can visit online marketplaces such as eBay to get an idea of how much to price your grill.

16. Value for Money

For me, the Napoleon Prestige Pro 665 grill not only comes loaded with innovative features, it is also priced a few hundred dollars lower than the Weber Summit E-670.

---

Top Features of Napoleon Prestige Pro 665 Gas Grill

• Superior heat retention and oven-like performance
• Iconic WAVE cooking grids
• Durable shining stainless steel body
• LED spectrum nightlight control knobs
• Stainless steel cooking grids, tube burners, and dual-level sear plates
• 99,000 BTUs
• Lifetime warranty

---

Top Features of Weber Summit 670 Gas Grill

• Sear Station creates an intense heat zone
• Integrated smokebox
• Tuck-away rotisserie system
• Sear station
• Side burner
• LED fuel gauge
• Handle light
• 60,000 BTUs main burner

---

Pros & Cons of Napoleon Prestige Pro 665 Gas Grill

Pros	Cons
Superior heat retention and oven-like performance	Limited to 1 color option
Iconic WAVE cooking grids	Doesn’t come with a clear view lid
Durable shining stainless steel body
LED spectrum nightlight control knobs
The temperature gauge on the lid
Lifetime bumper to the bumper manufacturer warranty

---

Pros & Cons of Weber Summit E-370 Gas Grill

Pros	Cons
Main burners: BTU-per-hour input 60,000	Limited to 1 color option
Stainless steel smoker box and smoker burner	A bit pricey compared to the competition.
LED fuel gauge
Handle light
The temperature gauge on the lid
10-year warranty

---

Which Grill is Better— the Napoleon Prestige Pro 665 or Weber Summit 670?

The Napoleon Prestige Pro 665 and Weber Summit E-670 are leading models in their space, but the former provides more value for money, given it generates more firepower (99,000 BTUS, and comes with more features.

The Weber E-670 Summit is also a good grill that provides a good set of features compared to the competition.