Jayco Seismic

6 floorplansFifth wheel2023– (in production)Mixed build tier

Jayco (Mixed tier): Jayco

What one actually costs today: $76,100–$133,000 across the line, new sticker or used estimate per model.

THE FLOORPLANS — 6

MODEL	YEARS	LENGTH	GVWR	SLEEPS	PRICE TODAY	FINDING ONE
359	2023–	41.7 ft	17,500 lb	6	$119,300	Common
395	2023–	45.7 ft	21,000 lb	7	$133,000	Common
399	2025–	45.9 ft	21,000 lb	8	$132,000	Findable
403	2023–25	41.5 ft	16,500 lb	7	—	Findable
405	2023–23	41.4 ft	16,955 lb	9	$76,100used est.	Findable
413	2025–	47.0 ft	20,800 lb	6	—	Findable

THE LINE, YEAR BY YEAR

Assembled from eight-plus model years of brochures, floorplan by floorplan. This is the part a spec sheet can't tell you: which years changed, and which year is the buy.

2023Introduced
2024Discontinued
2025Introduced
2025Dealer stock only
2026Discontinued
2027UVW 13,490 lb, GVWR 17,500 lb; CCC 4,010 lb
2027GVWR 21,000 lb; UVW 16,075 lb; CCC 4,925 lb
2027UVW 15,585 lb; CCC 5,415 lb
2027UVW 15,985 lb, GVWR 20,800 lb

Which Seismic is the right one — if any?

A line this size hides real differences behind similar names. Set what you care about — weight, bunks, build, budget — as sliders, and watch every floorplan here get ranked against the whole market, not just against each other.

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