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Mileage: 37,700 mi
Exterior Length: 44 ft
Sleeps: 6
Number of Slide Outs: 3
Condition: Used
VIN: C421
Description: 2014 Newmar MountainAire 4369. 450 Cummins, 37,700 miles. Onan Generator w/ Kubota Diesel. Full Size Fridge, Dishwasher, and Microwave. All upholst...
Updated: Friday, July 10, 2026 11:14 AM
Location: Sealy, Texas
Seller: David Hames
Stock Number: 329129
Exterior Length: 3 ft 5 in
Sleeps: 6
Number of Slide Outs: 3
Horsepower: 525 HP
Condition: New
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4118 – 329129
Discover the epitome of luxury and comfort with the 2026 Newmar Mountain Aire 4118. This stu...
Updated: Monday, July 06, 2026 07:48 AM
Location: Ashland, Virginia
Seller: General RV Center - Virginia
Stock Number: 95754
Condition: Used
VIN: 5B4MPA7G353403262
Description: Used 2005 MOUNTAIN AIRE NEWMAR 3778-WORKHORSE
Updated: Thursday, July 09, 2026 10:18 AM
Location: Claremore, Oklahoma
Seller: Ron Hoover RV & Marine - Tulsa
Stock Number: 361287
Exterior Length: 3 ft 2 in
Sleeps: 4
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 in
Description: NEW 2027 NEWMAR MOUNTAIN AIRE 3825 – 361287
2027 Newmar Mountain Aire 3825 Highlights:
• Rear master suite with 42" × 35" show...
Updated: Saturday, June 27, 2026 03:31 AM
Location: Winter Garden, Florida
Seller: Independence RV by General RV Center - Winter Garden
Stock Number: 27-MA3825
Exterior Length: 38 ft
Condition: New
Description: Now ordering 2027 Newmar motorhomes! Contact us now for more details. Visit our website at /2027-newmar-lineup
Frame: SPARTAN
EngineMake: CUMMIN...
Updated: Wednesday, June 03, 2026 09:46 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: 335691
Exterior Length: 3 ft 2 in
Sleeps: 4
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E14TC096105
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 3825 – 335691
Discover the epitome of luxury and innovation with the 2025 Newmar Mountain Aire 3825. This ...
Updated: Friday, July 03, 2026 03:33 AM
Location: Mesa, Arizona
Seller: General RV Colorado
Stock Number: 335697
Exterior Length: 3 ft 2 in
Sleeps: 4
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E18TC096107
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 3825 – 335697
Discover the epitome of luxury and innovation with the 2025 Newmar Mountain Aire 3825. This ...
Updated: Friday, July 03, 2026 03:33 AM
Location: Ocala, Florida
Seller: General RV Center - Ocala
Stock Number: 347755
Exterior Length: 3 ft 2 in
Sleeps: 4
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E14TC096265
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 3825 – 347755
## Newmar Mountain Aire Class A diesel motorhome 3825 highlights:
- Bath and a Half
- Euro B...
Updated: Friday, July 03, 2026 03:33 AM
Location: North Canton, Ohio
Seller: General RV Center - Canton
Stock Number: N6462
Exterior Length: 38 ft 10 in
Sleeps: 4
Number of Slide Outs: 3
Horsepower: 525 HP
Condition: New
Description: New 2026 Newmar Mountain Aire 3825
Details: Newmar Mountain Aire Class A diesel motorhome 3825 highlights: Bath and a Half Euro Booth Dinette Kin...
Updated: Tuesday, July 07, 2026 08:01 AM
Location: Myrtle Beach, South Carolina
Seller: Carolina RV
Stock Number: 358104
Exterior Length: 3 ft 4 in
Sleeps: 3
Number of Slide Outs: 2
Condition: Used
VIN: 4VZBR54933C043558
Description: USED 2003 NEWMAR MOUNTAIN AIRE 4005 – 358104
Newmar Mountain Aire 4005 Class A Diesel Pusher Highlights:
- Dual Slide-Outs
- Rear Maste...
Updated: Saturday, July 04, 2026 03:30 AM
Location: Salisbury, North Carolina
Seller: General RV Center - Salisbury
Stock Number: 361335
Exterior Length: 3 ft 4 in
Sleeps: 8
Number of Slide Outs: 3
Condition: Used
VIN: 4VZVU1E94KC086369
Description: USED 2019 NEWMAR MOUNTAIN AIRE 4018 – 361335
The 2019 Newmar Mountain Aire 4018 features a spacious triple-slide layout designed to maxi...
Updated: Tuesday, July 07, 2026 03:31 AM
Location: Mesa, Arizona
Seller: General RV Colorado
Stock Number: 118149
Sleeps: 5
Number of Slide Outs: 3
Horsepower: 525 HP
Condition: New
Wheelbase: 282 in
Description: New 2027 Newmar Mountain Aire 4118
Details: Newmar Mountain Aire Class A diesel motorhome 4118 highlights: Bath and a Half Two Sofas King Bed Whi...
Updated: Friday, June 26, 2026 07:30 PM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Mileage: 2,149 mi
Stock Number: D3276
Exterior Length: 41 ft
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E18VC096367
Description: 2027 Newmar Mountain Aire 4118 Full Wall/3 Slide-Out Luxury Class A Diesel Pusher Motorhome. The 2027 Mountain Aire combines superior craftsmanship...
Updated: Tuesday, June 09, 2026 10:30 PM
Location: Grass Valley, California
Seller: DeMartini RV Sales
Stock Number: 27-012
Exterior Length: 41 ft
Number of Slide Outs: 3
Condition: New
Exterior Color: SMOKEY SAPPHIRE FULL BODY PAINT
Exterior Width: 8 in
Description: "ON ORDER 2027 NEWMAR MOUNTAIN AIRE 4118!"
2027 NEWMAR MOUNTAIN AIRE 4118
SPARTAN CHASSIS K3
525HP ISX CUMMINS ENGINE
CURTSPECTRUM INT BR CON SPAR...
Updated: Sunday, June 21, 2026 02:01 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: 26-MA4118
Exterior Length: 41 ft
Condition: New
Description: Now ordering 2027 Newmar motorhomes! Contact us now for more details. Visit our website at /2027-newmar-lineup
Frame: SPARTAN
EngineMake: CUMMIN...
Updated: Wednesday, June 03, 2026 09:46 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: 347754
Exterior Length: 3 ft 5 in
Sleeps: 6
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E10TC096263
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4118 – 347754
Discover the epitome of luxury and comfort with the 2026 Newmar Mountain Aire 4118. This stu...
Updated: Friday, July 03, 2026 03:33 AM
Location: Draper, Utah
Seller: General RV Center - Draper
Stock Number: 349043
Exterior Length: 3 ft 5 in
Sleeps: 6
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E16TC096316
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4118 – 349043
Discover the epitome of luxury and comfort with the 2026 Newmar Mountain Aire 4118. This stu...
Updated: Friday, July 03, 2026 03:33 AM
Location: Winter Garden, Florida
Seller: Independence RV by General RV Center - Winter Garden
Stock Number: 349042
Exterior Length: 3 ft 5 in
Sleeps: 6
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E18TC096317
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4118 – 349042
Discover the epitome of luxury and comfort with the 2026 Newmar Mountain Aire 4118. This stu...
Updated: Friday, July 03, 2026 03:33 AM
Location: North Canton, Ohio
Seller: General RV Center - Canton
Stock Number: 26-020 SOLD
Exterior Length: 41 ft
Number of Slide Outs: 3
Condition: New
Exterior Color: FAIRWEATHER FULL BODY PAIN
Exterior Width: 8 in
Description: " 2026 NEWMAR MOUNTAIN AIRE 4118 "
2026 MOUNTAIN AIRE AVAILABLE TO VIEW HERE.
ON ORDER 2026 NEWMAR MOUNTAIN AIRE 4118
SPARTAN CHASSIS
525HP ISX CU...
Updated: Wednesday, June 03, 2026 09:46 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Mileage: 104,122 mi
Stock Number: 209965
Exterior Length: 44 ft 10 in
Sleeps: 6
Number of Slide Outs: 3
Condition: Used
Description: Used 2017 Newmar Mountain Aire 4519
Details: Start your next tour across the country in the Mountain Aire motor home 4519 by Newmar. With triple s...
Updated: Friday, June 19, 2026 07:30 PM
Location: Huntsville, Alabama
Seller: Bankston Motor Homes of Hunstville
Stock Number: P259A
Exterior Length: 44 ft 11 in
Sleeps: 4
Number of Slide Outs: 3
Condition: Used
VIN: 4VZBT1D925C049591
Description: Used 2007 Newmar Mountain Aire Diesel MADP 4520
Details: Triple Slide, Rear King Bed Slide, Wash/Dryer, Ward. w/Sliding Mirrored Doors, Chest of D...
Updated: Wednesday, July 08, 2026 04:50 AM
Location: Oklahoma City, Oklahoma
Seller: Bob Hurley RV - OKC
Mileage: 91,250 mi
Stock Number: 25-334C
Exterior Length: 44 ft
Number of Slide Outs: 4
Condition: Used
Exterior Color: VIENNA FULL BODY PAINT
Description: 2008 NEW MOUNTAIN AIRE 4521. 2 OWNER COACH SOLD BY STEINBRING! STORED INSIDE
2008 NEWMAR MOUNTAIN AIRE 4521
SPARTAN CHASSIS
450HP ISM CUMMINS ENGI...
Updated: Tuesday, July 07, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
Stock Number: VP225136
Exterior Length: 44 ft
Number of Slide Outs: 3
Condition: Used
VIN: 4VZVU1E94NC089650
Description: 2022 Newmar MOUNTAIN AIR 4543 - Please email or call for the full list of the features, availability or anything else we can send to help you. W...
Updated: Thursday, July 09, 2026 11:01 PM
Location: Mesa, Arizona
Seller: La Mesa RV - Mesa
Stock Number: 347753
Exterior Length: 3 ft 8 in
Sleeps: 8
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E19TC096262
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4551 – 347753
**Newmar Mountain Aire Class A diesel motorhome 4551 highlights:**
- Bath and a Half
- Two ...
Updated: Friday, July 03, 2026 03:33 AM
Location: Ashland, Virginia
Seller: General RV Center - Virginia
Stock Number: 349044
Exterior Length: 3 ft 8 in
Sleeps: 8
Number of Slide Outs: 3
Condition: New
VIN: 4VZVU1E14TC096315
Description: NEW 2026 NEWMAR MOUNTAIN AIRE 4551 – 349044
**Newmar Mountain Aire Class A diesel motorhome 4551 highlights:**
- Bath and a Half
- Two ...
Updated: Friday, July 03, 2026 03:33 AM
Location: Winter Garden, Florida
Seller: Independence RV by General RV Center - Winter Garden
Mileage: 64,511 mi
Stock Number: CGP9817
Exterior Length: 45 ft
Number of Slide Outs: 3
Condition: Used
VIN: 4UZFCTBG7FCGP9817
Description: Sales_pitch: The RV for sale is a Used 2015 Mountain Aire Class A Diesel by Newmar RV that and much more. This Mountain Aire Standard ...
Updated: Friday, July 10, 2026 08:00 AM
Location: Ponchatoula, Louisiana
Seller: Berryland Campers - Ponchatoula
Mileage: 60,913 mi
Stock Number: 24-316C
Exterior Length: 44 ft
Number of Slide Outs: 3
Condition: Used
Exterior Color: DREAM GRAPHICS FULL BODY PAINT
Description: 2015 NEWMAR MOUNTAIN AIRE 4553
2015 NEWMAR MOUNTAIN AIRE 4553
FREIGHTLINER CHASSIS
500HP ISX CUMMINS ENGINE
BATH AND A HALF
3 POWER SLIDEOUTS, INC...
Updated: Sunday, June 21, 2026 02:00 AM
Location: Garfield, Minnesota
Seller: Steinbring Motorcoach
