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Newmar Bay Star 3423

Class Abuilt 2024–25Better build tierScarce on the used market
WHAT ONE COSTS
$181,400est. used (2025, 1 yr old)

Sticker was $251,999 in 2025. Out of production since 2025, so the used market is the only way to buy one. Estimate assumes a 2025 unit.

THE SPECS
Length34.9 ft
Height (incl. A/C)12.8 ft
Width8.5 ft
Interior height7.0 ft
GVWR26,000 lb
Dry weight21,800 lb
Cargo capacity4,200 lb
Sleeps6
Fresh water75 gal
Grey water60 gal
Black water40 gal
Air conditioning13,500 BTU
Fuel80 gal
Engine / chassisFord 7.3L V8 335 hp on F-53
GeneratorCummins Onan 5.5 kW gas

A missing row means the maker never published that figure: unknown, not zero.

WHERE PEOPLE SLEEP
  • 1× Rear king bed(Permanent)72×80
  • 1× Booth dinette bed(Convertible)—
  • 1× Sofa bed(Convertible)—
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Newmar (Better tier): Newmar's gas Class A is framed 16 in on center under a walkable BriteTEK roof, gets full-body paint standard, and carries a 12-year roof / 5-year structural warranty - build and service support run well above the volume gas brands.

YEAR BY YEAR: WHAT CHANGED
  • 2024Introduced
  • 2025Final model year
FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Why: only 2 model years. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Two-year 35-footer with 4,200 lb payload; MSRP is a line-level figure.

OTHER BAY STAR FLOORPLANS
3005 · 22,000 lb · sleeps 63014 · 24,000 lb · sleeps 73016 · 24,000 lb · sleeps 63020 · 24,000 lb · sleeps 63114 · 26,000 lb · sleeps 53116 · 24,000 lb · sleeps 63124 · 24,000 lb · sleeps 63225 · 26,000 lb · sleeps 63226 · 22,000 lb · sleeps 53312 · 22,000 lb · sleeps 63401 · 26,000 lb · sleeps 63408 · 26,000 lb · sleeps 83414 · 24,000 lb · sleeps 63416 · 24,000 lb · sleeps 6the whole line →
Find one for sale

Live listings for the 3423 on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

Inventory varies by site and day. Slim pickings? search the whole Bay Star line ↗

Is the 3423 your #1, or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data compiled from dealer and aggregator listings, retrieved 2026-07.