New 2026 Thor Motor Coach Aria 3901 Motor Home Class A - Diesel

RR-In Transit
2026 3901 Features and Options

MSRP $443,919. The New 2027 Thor Motor Coach Aria Diesel Pusher Model 3901.

  Features  
  • 400 Watt Additional Solar Charging System

Shop a huge selection of diesel pusher motorhomes all at MHSRV! Choose from Thor Motor Coach Palazzo – Riviera – Aria – Fleetwood Discovery – Frontier – Holiday Rambler Endeavor – Nautica – Entegra Coach Reatta – Aspire and more. We also buy and sell quality pre-owned models such Newmar Mountain Aire – Dutch Star – New Aire – Ventana – Kountry Star – Northern Star - Allegro Bus – Phaeton – Allegro Red – Byway – Allegro Breeze – Winnebago Journey – Forza – Coachmen Sportscoach – Thor Venetian – Tuscany and much more. 

 
More About This RV

This RV is approximately 39 feet 11 inches in length and features (3) slide-out rooms, drop down overhead bunk, fireplace, king size Tilt-A-View inclining bed, 21.4 cu-ft residential refrigerator, solid surface counter tops, stack washer/dryer and rear master bath w/ dual sinks. The Aria is powered by a Cummins 360HP diesel engine, Freightliner XC-R raised rail chassis, Allison automatic transmission Air-Ride suspension and features automatic leveling jacks with touch pad controls, touchscreen dash radio with GPS, tile floors and much more. 

 
About Us

For more details on this unit, our full inventory, brochures, window stickers, videos, photos, and customer reviews, visit MHSRV.com or call 800-335-6054 for the Texas location or 334-288-0331 for our Alabama location. For more details on this unit, our full inventory, brochures, window stickers, videos, photos, and customer reviews, visit MHSRV.com or call 800-335-6054 for the Texas location or 334-288-0331 for our Alabama location.   --Why Pay More? Why Settle for Less?—

What Our Customers Are Saying

Great Experience

What a great experience. Absolutely streamlined process of my trade in. I was in and out in just around an hour or so. The staff was super helpful. Cory gave me a walkthrough of my new unit, very knowledgeable staff. I highly recommend this group! - Alex
Price: $456,799
Blue Compass RV
Location: Alvarado TX
Stock# MHS44469
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RV ID: 3476396#
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2026 3901 Specifications
Sleeps 7
Slides 3
Length 39 ft
Ext Width 8 ft 5 in
Ext Height 12 ft 6 in
Int Height 7 ft
Interior Color Stillwater & Chalet
Exterior Color Silkstone
Hitch Weight 10000 lbs
GVWR 35320 lbs
Fresh Water Capacity 91 gals
Grey Water Capacity 51 gals
Black Water Capacity 51 gals
Tire Size 275/80R 22.5
Furnace BTU 40000 btu
Fuel Type Diesel
Engine Cummins ISB-XT 6.7L
Chassis Freightliner XC-R
Horsepower 360 hp
Fuel Capacity 100 gals
Wheelbase 270 in
Number Of Bunks 1
Available Beds King Tilt-A-View
Torque 800 ft-lb
Refrigerator Type Double Door Residential w/In Door Water and Ice
Refrigerator Size 21.4 cu ft
Convection Cooking Yes
Cooktop Burners 2
Shower Size 52" x 30"
Number of Awnings 1
LP Tank Capacity 105 lbs
Water Heater Type Tankless
AC BTU 30000 btu
Basement Storage 215 cu. ft.
TV Info LR 43" LED Smart HDTV and 55" LED Smart HDTV, BR 32" LED Smart TV, Ext. 40" LED TV
Awning Info 20' Power Lateral Arm with LED Lighting
Washer/Dryer Available Yes
Gross Combined Weight 45320 lbs
Shower Type Standard
Electrical Service 50 amp
VIN MHS44469
For more information Contact Us

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