The Detroit Diesel Series 60 nestled in the rear of the rig carries an impressive spec sheet of its own. The turbo diesel straight-six engine has a displacement of 14 liters; it churns out 515 horsepower and at least 1,550 lb-ft torque.

The interior is similarly marvelous, as it has not just one, but two bathrooms. However, the second bathroom, located roughly in the middle of the RV, has only a toilet and a sink.

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Photo: The Motorcoach Store
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The interior also expands with two giant slides coming off of the port side of the coach. And for those really long journeys away from home, it even has a washer and dryer.

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Photo: The Motorcoach Store
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However, the trick feature of this Prevost is that the second storage bay basement has been converted into a spare bedroom. Our enthusiastic host slides down through the hole in the floor and into the tiny room.

Image for article titled Best Of 2021: This Monster $500,000 RV Has Two Bathrooms And A Bedroom In The Basement
Screenshot: RVing with Andrew Steele / YouTube
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The spare bedroom is strange, as it’s accessed either through the outside basement bay hatches or though a hatch in the RV’s floor that’s normally covered by a chair.

But once in there, you get a comfy bed and two TVs to play with. While the room looks like a neat hideaway, getting in and out of it looks like a pain, especially if that chair is covering the interior hatch.

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Image for article titled Best Of 2021: This Monster $500,000 RV Has Two Bathrooms And A Bedroom In The Basement
Screenshot: RVing with Andrew Steele / YouTube

It also looks a bit like an afterthought compared with the rest of the interior. Still, I love the thought of having this as a secret fort away from everyone else.

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Motorcoaches like this Prevost have what are commonly called basements. These usually carry different equipment like the rig’s onboard generator, outdoor entertainment facilities and access to the RV’s plumbing system. They’re also used for additional storage. The bays on this Featherlite Coach has all of that gear and it’s all finished in fake carbon fiber and diamond plate steel.

Image for article titled Best Of 2021: This Monster $500,000 RV Has Two Bathrooms And A Bedroom In The Basement
Photo: The Motorcoach Store
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It’s a little humorous given the asking price of this beast.

I wondered if this was a factory option or some strange modification. The selling dealership says that this Prevost has Featherlite’s Celebration floorplan, which doesn’t mark this bay as having TVs or any bedding. Oddly, I couldn’t find any floorplan that used this bay for anything other than storage.

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I reached out to Featherlite to see if this is an option or just a wild modification. I’ll update if I hear back.

Coaches like these are about as far away from camping as you can get without checking into a five-star hotel. But if you have $499,999 burning a hole in your bank account and a desire to sleep in a storage bay, the Motorcoach Store is offering this Prevost to a new owner.