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New 2026 Newmar Mountain Aire 3825

Class A Diesel|Ocala, FL| Stock# 335697

$709,995

$4,751/mo.ⓘ

MSRP: $946,296

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Overview
Specifications
All Amenities

Discover the epitome of luxury and innovation with the 2025 Newmar Mountain Aire 3825. This stunning diesel pusher, built on a robust Spartan K3 chassis, offers a powerful Cummins I6 engine with 525 horsepower and an impressive torque of 1695, ensuring a smooth and commanding drive. Stretching nearly 39 feet, this RV is a marvel of spacious design, featuring three slides that expand to reveal a lavish interior. The front living area is perfect for relaxation, with a sofa, dinette, complemented by a TV on a power lift for entertainment on the road.

The heart of this RV, the center kitchen, is a culinary delight with its full-size electric refrigerator and convection cooking capabilities, allowing you to prepare gourmet meals with ease. The luxurious king bed in the center bedroom promises restful nights, while the sophisticated rear bath provides comfort and convenience with a shower enclosed in elegant plastic and glass. With ample storage, including a pantry and multiple wardrobes, and the convenience of washer/dryer prep, this Mountain Aire is designed for extended adventures. The powered retractable awnings provide the perfect outdoor space to enjoy the surroundings, making every journey a memorable one. For more information, visit your nearest General RV dealership.

Overview

Discover the epitome of luxury and innovation with the 2025 Newmar Mountain Aire 3825. This stunning diesel pusher, built on a robust Spartan K3 chassis, offers a powerful Cummins I6 engine with 525 horsepower and an impressive torque of 1695, ensuring a smooth and commanding drive. Stretching nearly 39 feet, this RV is a marvel of spacious design, featuring three slides that expand to reveal a lavish interior. The front living area is perfect for relaxation, with a sofa, dinette, complemented by a TV on a power lift for entertainment on the road.

The heart of this RV, the center kitchen, is a culinary delight with its full-size electric refrigerator and convection cooking capabilities, allowing you to prepare gourmet meals with ease. The luxurious king bed in the center bedroom promises restful nights, while the sophisticated rear bath provides comfort and convenience with a shower enclosed in elegant plastic and glass. With ample storage, including a pantry and multiple wardrobes, and the convenience of washer/dryer prep, this Mountain Aire is designed for extended adventures. The powered retractable awnings provide the perfect outdoor space to enjoy the surroundings, making every journey a memorable one. For more information, visit your nearest General RV dealership.

Specifications

Specifications

RV Details

  • Sleeps4
  • Slides3
  • Length38 ft. 10 in.
  • Width8 ft. 6 in.
  • Height13 ft. 2 in.
  • Int. Height6 ft. 11 in.
  • GVWR54000 lbs.
  • VIN4VZVU1E18TC096107

Tanks & HVAC

  • Fresh Water1 Tank(s) | 105 gal.
  • Black Water1 Tank(s) | 60 gal.
  • Gray Water1 Tank(s) | 80 gal.
  • HeatAutomatic
  • GeneratorOnan 10000

Appliances

  • Awnings2 | Powered Retractable Awning
  • BedsKing (x1), Convertible (x1)
  • ShowerPlastic / Glass
  • RefrigeratorFull-Size
  • Cooktops | Microwave2 | Yes
  • Washer/Dryer PreppedYes
  • Axles | Tire Size365/70R 22.5

Vehicle Details

  • FuelDiesel | 150 gal.
  • ChassisSpartan K3
  • EngineCummins / I6 Diesel Pusher
  • Horsepower525 hp
  • Torque1695 ft-lbs.
All Amenities

All Amenities

King bed
Convection cooking
Two-burner cooktop
Washer/dryer
Center kitchen
Front living area
Rear/center bath
Center bedroom
Full-size electric refrigerator
Powered retractable awnings (2)
Cummins I6 Diesel Pusher engine
Spartan K3 chassis
Automatic heater
Plastic/glass shower
TV on power lift

General RV works hard to ensure the accuracy of all its listings however we are not responsible for any misprints, typos, or errors found in our website pages. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 888-436-7578 for availability as our inventory changes rapidly.

*All RV prices exclude tax, title, registration and fees, including documentary service fees. All payments are with approved credit through dealer lending source. Advertised monthly payment is based on 20% cash down, plus tax, title, registration and fees, at 7.99% APR for 96 months on finance amounts under $10K, at 7.99% APR for 144 months on finance amounts from $10K to $25K, at 7.99% APR for 180 months on finance amounts from $25K to $50K, and at 7.99% APR for 240 months on amounts over $50K. $79 monthly payment based on purchase price of $9,999 with 20% down at 8.24% APR for 218 months. $439 monthly payment based on purchase price of $69,995 with 20% down, at 6.49% APR for 240 months. For select models only. Rate and payments are subject to change at any time. Conditions apply. See dealer for details.