Thor Motor Coach Tellaro 20AT

Name: Thor Motor Coach Tellaro 20AT
Brand: Thor Motor Coach

Class B vanbuilt 2020–21Mixed build tierFindable on the used market

WHAT ONE COSTS

$80,300est. used (2021, 5 yr old; from 8 priced floorplans of this line)

THE SPECS

Length20.9 ft

Height (incl. A/C)9.4 ft

Width6.7 ft

Interior height6.3 ft

GVWR9,350 lb

Dry weightnot published

Sleeps2

Slide-outs0

Fresh water27 gal

Grey water20 gal

Black water5 gal

Air conditioning11,000 BTU

Awning12 ft

Fuel24 gal

Engine / chassisRam ProMaster 3500, 3.6L Pentastar V6 280HP/260 lb-ft

Generator2,800W gas

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

WHERE PEOPLE SLEEP

1× Expanding sleeper sofa(Stow-away)74×59
1× Booth dinette with two three-point belts(Convertible)—

HOW IT'S BUILT: 3/5

WallsAluminum / metal van

FrameSteel

RoofStandard

UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor Tellaro

YEAR BY YEAR: WHAT CHANGED

2020Introduced; 20'-11" long, 12-ft awning, 6 gal black tank
2021Awning to 16 ft; black tank listed 5 gal
2022Renamed 20A

FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer; only 2 model years; an uncommon body style. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Launch-year Tellaro with the dinette/skylight layout and the Sky Bunk pop-top option; renamed 20A for 2022.

OTHER TELLARO FLOORPLANS

20A · 9,350 lb · sleeps 2 20H · 9,350 lb · sleeps 3 20J · 9,350 lb · sleeps 2 20K · 9,350 lb · sleeps 2 20KT · 9,350 lb · sleeps 2 20L · 9,350 lb · sleeps 2 20LS · 9,350 lb · sleeps 2 20LT · 9,350 lb · sleeps 2 20U · 9,350 lb · sleeps 2 20US · 9,350 lb · sleeps 2 20Y · 9,350 lb · sleeps 2 20YS · 9,350 lb · sleeps 2 the whole line →

Find one for sale

Live listings for the 20AT 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 Tellaro line ↗

Is the 20AT 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 manufacturer spec sheets, retrieved 2026-07.