2026 Newmar Mountain Aire 3825

New Class A in Mesa, Arizona, 85213

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New 2026 Newmar Mountain Aire 3825 available in Mesa, Arizona
2026 Newmar Mountain Aire 3825 - New Class A For Sale by General RV Center in Mesa, Arizona
2026 Mountain Aire 3825 by Newmar from General RV Center in Mesa, Arizona
New 2026 Newmar Mountain Aire 3825 available in Mesa, Arizona

Unit Specs

  • Stock #335691
  • Year2026
  • ManufacturerNewmar
  • Make Newmar
  • ModelMountain Aire
  • Floorplan3825
  • Type Class A
  • ConditionNew
  • Length38' 10"
  • Width8' 0"
  • Height13' 2"
  • VIN4VZVU1E14TC096105
  • MSRP $965,242.00
  • Price Get Price
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps4
  • Slideouts3
  • Dry Weight41,000 lbs
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 hide-a-bed sofa and a Euro booth dinette that cleverly converts for additional sleeping space, 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.

2026 Newmar Mountain Aire 3825 Features


2026 Newmar Mountain Aire 3825 Specifications

General

MSRP

$874,236

Dimensions

Height

13' 2"

Height (interior)

6' 11"

Length

38' 10"

Width

8' 5"

Weights

Dry Weight

41,000 lbs

GVWR

54,000 lbs

Payload Capacity

13,000 lbs

Capacities

Fuel Capacity

150 gal

Refrigerator Capacity

19.7 cu ft

Sleep Capacity

6

Water Capacity - Black

60 gal

Water Capacity - Fresh

105 gal

Water Capacity - Grey

80 gal

Engine/Transmission

Engine Manufacturer

Cummins

Engine Model

Cummins 11.9L, 525HP, 1,695lb-ft torque

Fuel Type

Diesel

Transmission Spec

Allison 6-speed 4000MH

Exterior

# Awnings

1

# Axles

3

# Doors

1

# Slides

3

Chassis

SpartanK3 tag-axle

Electrical

# A/C

2

A/C Spec

15K BTU Penguinâ„¢ Heat Pump Central Air Conditioners

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Newmar Mountain Aire 3825 Literature


Seller Info

General RV Center

2260 E Main Street
Mesa, AZ 85213

Member Since 2025

See 19 Reviews

Unit Specs

  • Stock #335691
  • Year2026
  • ManufacturerNewmar
  • Make Newmar
  • ModelMountain Aire
  • Floorplan3825
  • Type Class A
  • ConditionNew
  • Length38' 10"
  • Width8' 0"
  • Height13' 2"
  • VIN4VZVU1E14TC096105
  • MSRP $965,242.00
  • Price Get Price
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps4
  • Slideouts3
  • Dry Weight41,000 lbs

Estimated Payment-

Interest Rate % *(W.A.C.)
Term Years
Down Payment $
*W.A.C. = With approved credit

Email Seller

Request More Info on this 2026 Newmar Mountain Aire 3825 Offered for sale by General RV Center
General RV Center
General RV Center

2260 E Main Street
Mesa, AZ 85213

Phone: Click to Call

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New 2026 Newmar Mountain Aire 3825 available in Mesa, Arizona
2026 Newmar Mountain Aire 3825 - New Class A For Sale by General RV Center in Mesa, Arizona
2026 Mountain Aire 3825 by Newmar from General RV Center in Mesa, Arizona
New 2026 Newmar Mountain Aire 3825 available in Mesa, Arizona