2025 Newmar Mountain Aire 4118

Vehicle Photo
  • EST. MSRP* $904,497
Stock #: 21161345
Phoenix (Mesa), AZ
  • Sale Pending
  • New
  • Class: Class A Diesel
  • Length: 35 ft 10in
  • Slides: 3
  • Fuel: Diesel
  • Engine: 450HP Cummins
  • Dry Weight: 42,500
  • Chassis: Spartan
  • Sleeps: 5

Interested in this RV?

By submitting, you opt in to receive email and texting communication from Lazydays RV.

Thank you for your interest, we will be in touch shortly.

There was an error submitting your form. Please call us at 800-306-4011 and we can help you over the phone.

Give us a call! 480-964-2277
  • Bath and a Half
  • Rear Bath
Floorplan
  • Available Beds King
  • Exterior Height 13 ft 2in
  • Exterior Width 8 ft 6in
  • Interior Height 6 ft 11in
  • Pin Weight 15,000 lbs
  • Gross Weight 54,000 lbs
  • Dry Weight 42,500 lbs
  • Torque 1695 ft lbs
  • Fuel Capacity 150 gal
  • Wheelbase 282 in
  • Fresh Water Capacity 105 gal
  • Grey Water Capacity 80 gal
  • Black Water Capacity 60 gal
  • Furnace BTU 50,000
  • Refrigerator Type Whirlpool
  • Refrigerator Size 20
  • Convection Cooking Yes
  • Cooktop Burners 2
  • Shower Size 40" x 32"
  • Shower Type Shower w/Seat
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR Samsung LED TV, BR Samsung LED TV, Overhead 43" Samsung 4K LED TV

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 slide for a good night's rest across from a dresser with a Samsung LED TV and shirt wardrobes on either side. Attached to the bedroom is your very own full rear bathroom which has a 40" x 32" shower with a seat next to a linen closet and wardrobe, as well as a Splendide two-piece washer and dryer next to the vanity sink. 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 84" hide-a-bed sofa or the 62" 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!

†Lazydays strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Lazydays for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

**Lazydays believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Lazydays cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.