2026 Newmar Mountain Aire 4551

NewClass A|Stock #349044|Located at General RV in Winter Garden, FL
$816,995$960,899
Save $143,904

Newmar Mountain Aire Class A diesel motorhome 4551 highlights:

  • Bath and a Half
  • Two Sofas
  • King Bed
  • Whirlpool Refrigerator
  • Hide-A-Leaf Dinette

Come see how much luxury is all throughout this motorhome! The master suite has a king bed slide for a good night's rest across from a dresser with a Samsung LED TV and a safe for your valuables. Attached to the bedroom is your very own full rear bathroom which has a 50" x 34" shower with a seat, a dual sink vanity for two to get ready at once, a large wardrobe with sliding doors and adjustable shelves, an emergency exit door behind the toilet, and even a Splendide washer and dryer. The chef will have everything they need to prepare delicious home cooked meals including a cabinet pull-out, a stainless steel 30" convection microwave with air fryer feature and a Whirlpool 19.7 cu. ft. refrigerator to keep the perishables fresh, plus the half bathroom is by the kitchen for quick bathroom breaks while cooking. Enjoy your meals at the hide-a-leaf dinette and relax on either the 87" hide-a-bed sofa or the 68" jackknife sofa while watching your favorite movies on the Samsung LED TV on power lift!

Explore the world in peak luxury with any one of these Newmar Mountain Aire Class A diesel motorhomes! They are exclusively built on a Spartan K3 tag axle chassis with a 525 HP and 1,695 lb./ft. of torque to make them easy to drive. Their industry-exclusive full paint Masterpiece Finish comes in four different color options each of which will turn heads down the highway. Hydraulic leveling jacks make set up quick and easy, and the fiberglass roof with integrated gutter rail will help to keep water away from your unit. The aluminum-frame sidewalls and roof construction are covered by the gel-coated fiberglass exterior sidewalls, front, and rear caps. You will also find finer amenities, features, and options all throughout the interiors. Come find the best one for you today!

Specifications

Length

44 ft 10 in

Dry weight

44,200 lbs

Sleeps

8 people

Slideouts

3

Unit features & options

  • King bed
  • Convertible sofas
  • Convection cooking
  • Two-burner cooktop
  • Washer/dryer
  • Center kitchen
  • Front living area
  • Rear/center bath
  • Center bedroom
  • Full-size electric refrigerator
  • Powered retractable awnings
  • Automatic heater
  • Cummins I6 Diesel Pusher engine
  • Spartan K3 chassis
  • Three slide-outs
  • Hide-a-bed sofa
  • Jackknife sofa
  • Hide-a-leaf dinette
  • Pantry
  • Adjustable shelves
  • TV locations
  • Steps for easy access
  • StarlInk Router G3

Full specifications

Air conditioning45000 BTU
Black water60 gal
Dry weight44,200 lbs
Fresh water105 gal
GVWR54,000 lbs
Gray water80 gal
Hitch weight15,000 lbs
Length (ft)44 ft
Sleeps8
Slides3

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2026 Mountain Aire 4551

2026 Mountain Aire 4551
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