2018 Newmar Mountain Aire 4553 Specs
Know Before You Drive
Key specs for safe motorhome driving
⚠️ Height Alert: Over 11' tall. Watch for low bridges and overhangs!
Compact
<14k
Mid-Size
14-20k
Large
20-26k
XL
26k+
DRIVING QUICK FACTS
GVWR
54,000 lbs
License
May require CDL
Type
Class A
License Requirement
May require CDL
Standard
Check State
CDL May Apply
Essential Upgrades for the 2018 Newmar Mountain Aire 4553
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 54000 lbs | - | - | - |
| Dry Weight | 44800 lbs | - | - | - |
| Payload Capacity | 9200 lbs | Coil SumoSprings | - | - |
| Length | 538 in | Furrion Backup Camera | Shop Cameras | - |
| Width | 101.5 in | Clip On Mirrors | Shop Mirrors | - |
| Interior Height | 83 in | - | - | - |
| Towing Capacity | 15000 / 6804 lbs | - | - | - |
| Exterior Height | 158 in | Telescoping Ladder | Shop Ladders | - |
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GVWR
54000 lbs
Dry Weight
44800 lbs
Payload Capacity
9200 lbs
Length
538 in
Width
101.5 in
Interior Height
83 in
Towing Capacity
15000 / 6804 lbs
Exterior Height
158 in
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Electrical & Solar
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Shore Power | 30 Amps | - | - | - |
| Battery Type | 12V Lead-Acid | Renogy 100Ah LiFePO4 | RV Batteries | Top 5 |
| Solar Pre-Wired | Optional | - | - | - |
| Inverter | Optional | - | - | - |
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Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
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Tank Capacities
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Fresh Water Holding Tanks | 1 | - | - | - |
| Number Of Gray Water Holding Tanks | 1 | - | - | - |
| Number Of Black Water Holding Tanks | 1 | - | - | - |
| Fresh Water Tank Capacity | 105 gal | - | Fresh Water Tanks | - |
| Gray Water Tank Capacity | 65 gal | - | - | - |
| Black Water Tank Capacity | 45 gal | - | Back Water Tanks | - |
| Number Of Propane Tanks | 1 | - | - | - |
| Propane Tank Capacity | 93.3 lbs | - | Propane Tank Capacity | - |
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Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
105 gal
Gray Water Tank Capacity
65 gal
Black Water Tank Capacity
45 gal
Number Of Propane Tanks
1
Propane Tank Capacity
93.3 lbs
Tank Capacities Best Sellers
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Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Rear Tire | Michelin® 315/80R 22.5 Full Spec | - | - | - |
| Rear Tire Aspect Ratio | 80 | - | - | - |
| Front Brake Type | Hydraulic Disc | - | - | - |
| Wheelbase | 294 / 7467.6 in | - | - | - |
| Front Tire Aspect Ratio | 70 | - | - | - |
| Rear Wheel Diameter | 22.5 | - | - | - |
| Rear Brake Type | Hydraulic Disc | - | - | - |
| Front Wheel Diameter | 22.5 | - | - | - |
| Tire Brand | Michelin® | - | - | - |
| Rear Tire Width | 315 | - | - | - |
| Front Tire | Michelin® 365/70R 22.5 Full Spec | - | - | - |
| Wheels Composition | Aluminum | - | - | - |
| Front Tire Width | 365 | - | - | - |
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Rear Tire
Michelin® 315/80R 22.5 Full Spec
Rear Tire Aspect Ratio
80
Front Brake Type
Hydraulic Disc
Wheelbase
294 / 7467.6 in
Front Tire Aspect Ratio
70
Rear Wheel Diameter
22.5
Rear Brake Type
Hydraulic Disc
Front Wheel Diameter
22.5
Tire Brand
Michelin®
Rear Tire Width
315
Front Tire
Michelin® 365/70R 22.5 Full Spec
Wheels Composition
Aluminum
Front Tire Width
365
Heating & Cooling
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Type | Automatic | Dometic 13.5K Air Conditioner | Shop All RV AC | - |
| Heater Type | Automatic | - | - | - |
| Water Heater Pump Power Mode | Electrical | - | - | - |
Specs
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Air Conditioning Type
Automatic
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical
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Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of King Size Beds | 1 | - | - | - |
| Master Bedroom Location | Center | - | - | - |
| Living Area Location | Front | - | - | - |
| Reclining Sofa | No | RV Loveseat Recliner Sofa | Shop Sofa | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Number Of Convertible / Sofa Beds | 2 | - | - | - |
| Sofa Material | Vinyl | - | - | - |
| Master Bedroom Flooring Type | Tile | - | - | - |
| Master Bedroom Mirror Doors | Yes | - | - | - |
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Number Of Bathrooms | 2 | - | - | - |
| Number Of Sofas | 2 | Tri-Fold Sofa | - | - |
| Master Bedroom Door Style | Full Sliding Door | - | - | - |
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Number Of King Size Beds
1
Master Bedroom Location
Center
Living Area Location
Front
Reclining Sofa
No
Master Bedroom Shades / Curtains
Yes
Number Of Convertible / Sofa Beds
2
Sofa Material
Vinyl
Master Bedroom Flooring Type
Tile
Master Bedroom Mirror Doors
Yes
Full Size Master Bedroom Closet
Yes
Number Of Bathrooms
2
Number Of Sofas
2
Master Bedroom Door Style
Full Sliding Door
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Kitchen / Dining
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Refrigerator Power Mode | Electric / Propane | - | - | - |
| Kitchen Location | Center | - | - | - |
| Number Of Oven Burners | 2 | - | - | - |
| Kitchen / Living Area Flooring Type | Tile | - | - | - |
| Refrigerator Size | Full-Size | - | - | - |
| Kitchen Table Configuration | Chairs | - | - | - |
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Refrigerator Power Mode
Electric / Propane
Kitchen Location
Center
Number Of Oven Burners
2
Kitchen / Living Area Flooring Type
Tile
Refrigerator Size
Full-Size
Kitchen Table Configuration
Chairs
Bathroom
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Bathroom Flooring Type | Tile | - | - | - |
| Toilet Type | Porcelain | RV Toilet with Sprayer Attachment | Toilets | Top 5 |
| Bathroom Location | Rear / Center | - | - | - |
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Bathroom Flooring Type
Tile
Toilet Type
Porcelain
Bathroom Location
Rear / Center
Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number of Awnings | 1 | Motorized RV Awning Set | Shop Awnings | - |
| Leveling Jack Type | Front Power / Rear Power | - | - | - |
| Number Of Axles | 2 | - | - | - |
| Sidewall Construction | Fiberglass | - | - | - |
| Number Of Emergency Exits | 1 | - | - | - |
| Number of Doors | 1 | - | - | - |
| Door Type | Plastic / Glass | - | - | - |
| Brand Name | JBL | - | - | - |
| Body Material | Aluminum | - | - | - |
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Number of Awnings
1
Leveling Jack Type
Front Power / Rear Power
Number Of Axles
2
Sidewall Construction
Fiberglass
Number Of Emergency Exits
1
Number of Doors
1
Door Type
Plastic / Glass
Brand Name
JBL
Body Material
Aluminum
Exterior Best Sellers
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Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Power Retractable Slideout | Yes | - | - | - |
| Supercharged | No | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| Phone Prewiring | No | - | - | - |
| Screened Room | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
| Wallpaper | Yes | - | - | - |
| Air Conditioning Prewiring | Yes | - | - | - |
| Swivel Seats | Yes | - | - | - |
| Water Heater Tank Bypass | Yes | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Sliding Glass Door | No | - | - | - |
| Heat Prewiring | Yes | - | - | - |
| Overhead Fan | No | Overhead Fan | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Bunkhouse | No | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Reclining Seats | Yes | - | - | - |
| Surround Sound | Yes | - | - | - |
| Washer / Dryer Prewiring | Yes | - | - | - |
| Power Adjustable Seat | Yes | - | - | - |
| Seat Armrests | Yes | - | - | - |
| Overdrive | Yes | - | - | - |
| Refrigerator | Standard | - | - | - |
| Battery Power Converter | Yes | - | - | - |
| Turbocharged | Yes | - | - | - |
Specs
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Power Retractable Slideout
Yes
Supercharged
No
Interior Wood Finish
Yes
Phone Prewiring
No
Screened Room
No
Cable Prewiring
Yes
Wallpaper
Yes
Air Conditioning Prewiring
Yes
Swivel Seats
Yes
Water Heater Tank Bypass
Yes
Power Retractable Awning
Yes
Sliding Glass Door
No
Heat Prewiring
Yes
Overhead Fan
No
Satellite Prewiring
Yes
Bunkhouse
No
TV Antenna Prewiring
Yes
Reclining Seats
Yes
Surround Sound
Yes
Washer / Dryer Prewiring
Yes
Power Adjustable Seat
Yes
Seat Armrests
Yes
Overdrive
Yes
Refrigerator
Standard
Battery Power Converter
Yes
Turbocharged
Yes
Cabin Specs
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Seats | 2 | - | - | - |
| Seat Type | Bucket | - | - | - |
| Number Of Rows | 1 | - | - | - |
| Seat Material | Vinyl | - | - | - |
| Seat Specifications | Standard | - | - | - |
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Number Of Seats
2
Seat Type
Bucket
Number Of Rows
1
Seat Material
Vinyl
Seat Specifications
Standard
Chasis
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Chassis Brand | Freightliner | - | - | - |
| Chassis Model | SL Series | - | - | - |
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Chassis Brand
Freightliner
Chassis Model
SL Series
Drivetrain
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Speeds | 6 | - | - | - |
| Transmission Type | Automatic | - | - | - |
| Driveline Type | 4X2 | - | - | - |
| Transmission Brand | Allison | - | - | - |
Specs
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Number Of Speeds
6
Transmission Type
Automatic
Driveline Type
4X2
Transmission Brand
Allison
Engine
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Carburetion | Standard | - | - | - |
| Torque RPM | 1200 | - | - | - |
| Horsepower | 500 bhp | - | - | - |
| Engine Brand Name | Cummins | - | - | - |
| Horsepower RPM | 1800 | - | - | - |
| Cylinders | 6 | - | - | - |
| Torque | 2230.3 Nm | - | - | - |
| Engine Type | I6 Diesel Pusher | - | - | - |
| Carburetion Type | Fuel Injected | - | - | - |
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Carburetion
Standard
Torque RPM
1200
Horsepower
500 bhp
Engine Brand Name
Cummins
Horsepower RPM
1800
Cylinders
6
Torque
2230.3 Nm
Engine Type
I6 Diesel Pusher
Carburetion Type
Fuel Injected
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Televisions | 2 | Insignia LED HD Alexa TV | Shop RV TV's | - |
| Television Brand Name | Sony | - | - | - |
| Number Of Discs | 1 | - | - | - |
| Speaker Location | Interior | RecPro Exterior Speakers | - | - |
Specs
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Number Of Televisions
2
Television Brand Name
Sony
Number Of Discs
1
Speaker Location
Interior
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Fuel & MPG
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Fuel Type | Diesel | Fuel Treatment | - | - |
| Fuel Capacity | 150 / 567.8 gal/l | 5Gal Gas Can | - | - |
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Fuel Type
Diesel
Fuel Capacity
150 / 567.8 gal/l
Fuel & MPG Best Sellers
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Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 2 | - | - | - |
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Number Of Radios
2
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Winnebago Industries | - | - | - |
| Year | 2018 | - | - | - |
| Make | Newmar | - | - | - |
| Display Name | Mountain Aire 4553 | - | - | - |
| Class | Class A | - | - | - |
| Max Sleeping Count | 6 | - | - | - |
| Number of Slideouts | 3 | - | - | - |
| Introduction Year | 2015 | - | - | - |
Specs
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Parent Company
Winnebago Industries
Year
2018
Make
Newmar
Display Name
Mountain Aire 4553
Class
Class A
Max Sleeping Count
6
Number of Slideouts
3
Introduction Year
2015
How We Scored This RV
Our MintRV Rating analyzes over 50 specifications across 5 key dimensions. Each dimension starts at 5.0 points and adjusts based on how this RV's specs compare to others in its class. Below is exactly how we calculated each score for this class a.
Drivability & Handling
4.5/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
-0.5
Final Drivability & Handling
4.5
Living Space & Layout
7.3/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+2.3
Final Living Space & Layout
7.3
Comfort & Features
6.3/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+1.3
Final Comfort & Features
6.3
Storage Space
5.5/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+0.5
Final Storage Space
5.5
Off-Grid & Campsites
7.3/10
Base Score
5.0
Spec-based adjustments
Based on Class A class averages
+2.3
Final Off-Grid & Campsites
7.3
About Our Rating Methodology
MintRV Ratings are calculated using verified manufacturer specifications. We compare each RV against others in its class type and weight category. Scores are updated when new specs become available. Learn more about our methodology →
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Frequently Asked Questions
To safely tow the 2018 Newmar Mountain Aire 4553, ensure your vehicle's rated tow capacity exceeds its GVWR of 54000 lbs. With a dry weight of 44800 lbs and hitch weight of lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.
This Class A has a dry weight of 44800 lbs and a GVWR of 54000 lbs, giving a payload capacity of 9200 lbs for gear, water, and supplies.
The approximate dimensions are length 538 in., width 101 in., and height 158 in. Always confirm clearances for garages, storage, and campsites.
The Mountain Aire 4553 includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Mountain Aire 4553 owners add a weight-distribution hitch, brake controller, leveling system, and portable generator to improve towing comfort. Solar kits, backup cameras, and upgraded tires are also popular upgrades.
With a GVWR of 54000 lbs and dry weight of 44800 lbs, the Mountain Aire 4553 is light enough for smaller tow vehicles yet rugged enough for light off-road travel. Add solar, extra propane, and a generator for extended off-grid stays.
This floorplan sleeps up to 6 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Class A.
The Mountain Aire 4553 features body construction with sidewalls and 2 axle(s). Its GVWR of 54000 lbs ensures strength without excessive towing weight.
?? Tip: Always check your vehicle's specific towing capacity in the owner's manual. Consider payload and tongue weight too!
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