Skip to main contentSkip to navigation
RV Envy
RV floor plans
Inventory
Sell your RV
Dealers
Dashboard
  • Class A motorhomes
  • Class C motorhomes
  • Class B vans
  • Fifth wheel trailers
  • Travel trailers
  • Pop-up campers
  • Advanced search
  • Floor plan wizard
  • Inventory

Browse popular layouts & features

Class A motorhomes

  • … with bunk beds
  • … with two bedrooms
  • … with bath and a half
  • … with two full bathrooms
  • … with bunk over cab
  • … with rear bathroom
Browse all features →

Class B vans

  • … with King size bed
  • … with rear twin beds
  • … with Murphy bed
  • … with rear bathroom
  • … with dual twin beds
Browse all features →

Class C motorhomes

  • … with bunk over cab
  • … with bunk beds
  • … with rear bathroom
  • … with rear twin beds
  • … with Murphy bed
  • … with outdoor kitchen
  • … with outdoor TV
Browse all features →

Fifth wheel trailers

  • … with bath and a half
  • … with two bathrooms
  • … with bunk beds
  • … with two bedrooms
  • … with side patio
  • … with rear patio
  • … with outdoor kitchen
  • … with washer/dryer
  • … with front living
Browse all features →

Travel trailers

  • … with bunk beds
  • … with two bedrooms
  • … with Murphy bed
  • … with outdoor kitchen
  • … with rear bath
  • … with front bedroom
Browse all features →

Popup campers

  • under $10k
  • under $15k
  • under 2,000 lbs
  • under 3,000 lbs
Browse all features →

RV dealers by metro area

Los AngelesDallas–Fort WorthHoustonAtlantaPhoenixTampa BayOrlandoDenverChicagoSeattleNashvilleTorontoBrowse all metro areas →

Explore

  • RV floor plans
  • Browse inventory
  • Sell your RV
  • Dealers
  • Shopping tips

Company

  • About
  • Our story
  • Contact

For dealers

  • Dealer websites & CRM
  • Dealer insights

Join our mailing list

We don't send much, but you won't want to miss it!

RV Envy

The RV search engine. Find your dream RV.

We do our best to keep listing details accurate, but pricing, specifications, and availability come from third-party sources and can change without notice. We can't guarantee accuracy, so please confirm the details with the dealer before making any decisions. See something inaccurate? Contact us.

© 2026 RV Envy. All rights reserved.

For AI agentsPrivacyTerms
Dashboard
    1. Home
    2. Inventory
    3. 2021 Newmar Supreme Aire 4573

    2021 Newmar Supreme Aire 4573

    Rear bath, bath and a half

    UsedClass C|6,487 mi|Located at RV Select in Tampa, FL
    $399,999

    Get more info

    2021 Supreme Aire 4573

    2021 Supreme Aire 4573
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.

    We'll add you to our weekly newsletter too, but you can unsubscribe at anytime.

    Dealer information

    Get more info

    2021 Supreme Aire 4573

    2021 Supreme Aire 4573
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.

    We'll add you to our weekly newsletter too, but you can unsubscribe at anytime.

    RV Envy

    2021 Newmar Supreme Aire 4573

    Rear bath, bath and a half

    Used · Class C · 6,487 mi

    $399,999

    RV Select – Tampa

    610 W U.S. 92

    Seffner, FL 33584

    2021 Newmar Supreme Aire 4573 floor plan

    Specifications

    Length44 ft 11 in
    Dry weight42,950 lbs
    Sleeps8 people
    Odometer6,487 miles

    Options and equipment may differ from those listed. We do our best to ensure accuracy, but please confirm all details with the dealer before purchase.

    RV Select – Tampa

    610 W U.S. 92
    Seffner, FL 33584

    At just over 6,400 miles, this Supreme Aire has barely been used — and with an original MSRP north of $574,000, it's one of the most capable Super C coaches on our lot.

    The 4573 is a full 44.9 feet with three slideouts, giving it a living space that genuinely feels residential rather than just "spacious for an RV." Newmar's reputation for interior fit and finish shows here — the cabinetry, surfaces, and overall execution are a cut above what you'll find in most Class C builds. The three-slide layout opens up the main living area dramatically, and the full bath is sized to match the rest of the coach.

    As a Super C, it pairs the structural strength and towing capacity of a heavy-duty truck chassis with Newmar's luxury interior — a combination that makes long-haul travel genuinely comfortable rather than just functional. At this mileage, it's essentially a new coach at a significant step down from new-coach pricing.

    At just over 6,400 miles, this Supreme Aire has barely been used — and with an original MSRP north of $574,000, it's one of the most capable Super C coaches on our lot.

    The 4573 is a full 44.9 feet with three slideouts, giving it a living space that genuinely feels residential rather than just "spacious for an RV." Newmar's reputation for interior fit and finish shows here — the cabinetry, surfaces, and overall execution are a cut above what you'll find in most Class C builds. The three-slide layout opens up the main living area dramatically, and the full bath is sized to match the rest of the coach.

    As a Super C, it pairs the structural strength and towing capacity of a heavy-duty truck chassis with Newmar's luxury interior — a combination that makes long-haul travel genuinely comfortable rather than just functional. At this mileage, it's essentially a new coach at a significant step down from new-coach pricing.

    Specifications

    Length

    44 ft 11 in

    Dry weight

    42,950 lbs

    Sleeps

    8 people

    Odometer

    6,487 miles

    Specifications

    Length

    44 ft 11 in

    Dry weight

    42,950 lbs

    Sleeps

    8 people

    Odometer

    6,487 miles

    Price history

    Days listed

    9

    Price history

    Days listed

    9