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View New & Used Newmar Mountain Aire Class A RVs For Sale

As RV enthusiasts at Newmar, we understand that the only way you can get what you truly need out of an RV is if we really share your passion of the road. With this passion, we take pride in building world-class motorhomes and helping you choose the right one for you and your upcoming adventures.


Miller's RV Center -Baton Rouge, Louisiana

QUAD SLIDE ONE OWNER EVERYTHING WORKS KEPT INSIDE POLISHED FLOORS TAG MUST SEE 450HP

Price: $169,998

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National Vehicle -Dawsonville, Georgia

2008 Newmar Mountain Aire 4121 41' Class A Motorhome. Cummins 450HP Diesel Engine. 4 Slide Outs, Awning, Sleeps 4, Dual A/C Units, Leveling System. Imagine driving off to all of your favorite destinations in this Mountain Aire Class A coach. Model 41 ...

Price: $129,900

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National Vehicle -Monticello, Florida

2006 Newmar Mountain Aire 4304 43' Class A Motorhome. Cummins 400HP Diesel Engine, 4 Slide Outs, Awning, Sleeps 6, Dual A/C Units/Heat Pumps, Leveling Jacks.***Transferrable Good Sam Warranty***Imagine driving off to all of your favorite destinations ...

Price: $97,500

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Pop RVs -Hulbert, Oklahoma

Stock #322647 - 2006 Newmar Mountain Aire 3778 has full body paint and was kept indoors.This 2006 Mountain Aire 3778 Class A motorhome is located in Hulbert, Oklahoma, and is a well-built classic!The exterior has tons of storage, hydraulic leveling jacks, ...

Sale! Consignment Reduced

Price: $60,000

Sale Price: $49,500

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Pop RVs -Kemah, Texas

Stock #268366 - 2002 Mountain Aire by Newmar! Sleeps up to 4 w/ 2 Slides! New Tires, Rebuilt Transmission, & Much More! Upgraded TVs and Sound System!2002 Mountain Aire 3778 by Newmar - powered by the GM Vortec 8100 engine on a Workhorse Chassis. A com ...

Sale! Consignment Reduced

Price: $52,800

Sale Price: $46,000

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Pop RVs -Sarasota, Florida

Stock #361631 - 2007 Mountain Aire by Newmar (3978) - Class A Motorhome in Sarasota, FLThis 2007 Mountain Aire 3978 is a great Class A RV for those looking for an RV with low miles (52,338) and great bones!This coach has all the features you'll want o ...

Sale! Consignment Reduced

Price: $63,700

Sale Price: $46,000

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KA RV -Desert Hot Springs, California

Call for details.

Sale!

Sale Price: $38,850

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Pop RVs -Caldwell, Idaho

Stock #384190 - 2003 NEWMAR Mountain Aire 3781!! LOW MILES! Generator! Two slide-outs!Located in Boise, Idaho, this 2003 Mountain Aire 3781 is ready for the next owner. The current owner bought a house, and that's the only reason he's selling.Pow ...

Sale! Consignment Reduced

Price: $35,000

Sale Price: $32,000

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Steinbring Motorcoach -Garfield, Minnesota

ORDER YOUR DREAM COACH!  2024 MOUNTAIN AIRE  BRAND NEW 38' FLOORPLAN FOR 2024!   THE POPULAR MOUNTAIN AIRE IS NOW AVAILABLE IN LENGTHS RANGING FROM 38' TO 45' BRAND NEW 38' ...

Available to Order


Independence RV Sales a General RV Company -Winter Garden, Florida

Newmar Mountain Aire Class A diesel motorhome 4118 highlights: Bath and a Half Two Sofas King Bed Whirlpool Refrigerator Exterior Shower Don't pass up your opportunity to travel in pure luxury with this motorhome! The master suite has a king bed sl ...


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