Thor Motor Coach Aria

7 floorplansClass A2017– (in production)Mixed build tier

Thor Motor Coach (Mixed tier): Thor Aria

What one actually costs today: $433,900–$440,900 across the line, new sticker or used estimate per model.

THE FLOORPLANS — 7

MODEL	YEARS	LENGTH	GVWR	SLEEPS	PRICE TODAY	FINDING ONE
3401	2017–25	34.8 ft	32,400 lb	4	—	Common
3601	2017–19	36.2 ft	35,320 lb	6	—	Findable
3701	2020–22	38.4 ft	35,320 lb	6	—	Findable
3702	2025–	37.7 ft	35,320 lb	4	$433,900	Findable
3901	2017–	39.9 ft	35,320 lb	6	$440,900	Common
3902	2020–20	39.9 ft	35,320 lb	6	—	Patient search
4000	2017–	41.1 ft	35,320 lb	8	$440,900	Common

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.

2017Introduced
2019Last model year - replaced by the 3701
2020Listed at 34'-7"; overhead bunk 48×76
2020Introduced at 38'-3"
2020Introduced and discontinued in the same model year
2021Length listed 34'-9"; brochure width shown 96" (101" before and after)
2021Length listed 38'-5"
2021Wheelbase 272", length 40'-1"
2021Dual 20,000 BTU furnaces in place of a single 35,000
2022Last model year
2024Furnace up to 40,000 BTU; overhead bunk 48×74
2024Wheelbase 270", length 39'-11"; 40,000 BTU furnace
202440,000 BTU furnace
2025Introduced
2025100W solar and 3rd 13,500 BTU A/C become standard
2025Bunks re-worked to convert to a closet; 100W solar standard
2026Dropped from the lineup
2027MSRP $433,860; 245" wheelbase, 170 cu ft exterior storage
2027MSRP $440,860

Which Aria 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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