2025 Newmar Mountain Aire 4018

About the 2025 Newmar Mountain Aire 4018

The 2025 2025 Newmar Mountain Aire 4018 from Newmar embodies everything a Class A motorhome should be: spacious, well-equipped, and built to travel in style. It is the kind of rig that turns heads at every campground.

At 38.0 feet long, 8.0-foot width and with a height of 11.0 feet, the 2025 Newmar Mountain Aire 4018 has a dry weight of 29,600 lbs, with a GVWR of 32,300 lbs, leaving you 2,700 lbs of cargo carrying capacity. Thanks to 2 slide-outs, the interior transforms into a surprisingly roomy living space once deployed.

The 2025 Newmar Mountain Aire 4018 accommodates up to 4 sleepers, making it a solid choice for small families or couples who enjoy bringing friends along. The layout balances sleeping capacity with livable daytime space, so you never feel like you are living in a bedroom.

Boondocking enthusiasts will value the a 88-gallon fresh water tank, 58 gallons of gray water holding, a 38-gallon black water tank. Electrical independence comes via a 600W solar panel setup, 400 amp-hours of battery storage, a 2500-watt inverter for household AC power. A 15,000 BTU air conditioner keeps things cool in summer heat, while a 16,000 BTU furnace ensures warmth during cold nights. The kitchen features a 3-way absorption refrigerator for keeping provisions cold. A 18.5-foot awning extends your living space outdoors, providing shade and shelter.

Motivation is provided by a Cummins L9, mounted on a Spartan K1 chassis, rated at 428 horsepower. With a 92-gallon Diesel tank, long-distance travel is practical without constant fuel stops.

Commanding an MSRP of $615,000, the 2025 Newmar Mountain Aire 4018 is firmly in luxury territory and makes no apologies for it. This is a coach built for those who expect the very best. Extended-stay campers and those considering the full-time RV lifestyle should have the 2025 Newmar Mountain Aire 4018 near the top of their shortlist.

All things considered, the 2025 Newmar Mountain Aire 4018 from Newmar packs a strong feature set into a well-designed package. It deserves careful consideration alongside any competitor in the Class A space, and a thorough walk-through will likely confirm its appeal.

The 2025 Newmar Mountain Aire 4018 is built for those who refuse to compromise on comfort while exploring the open road.

Featuring 2 slide-out(s) that open up to 38 feet of living space, the interior boasts residential-style furniture, hardwood cabinetry, and LED accent lighting throughout. The galley kitchen is equipped with a 3-way absorption refrigerator, convection microwave, and induction cooktop.

Standard features include a 600-watt solar panel system, 400 Ah battery bank, and 2,500-watt inverter for dry camping freedom. The 428 HP Cummins L9 engine provides ample power for mountain passes and highway merging.