2026 Thor Motor Coach Aria 3901

Vehicle Photo
  • MSRP: $423,332
  • Dealer Discount: $140,881
  • Finance Incentive: $7,500
  • Sale Price: $274,951
  • As Low As: $1,771 /mo (Edit)
Stock #: 21169498
Tucson, AZ
  • Available
  • New
  • Class: Class A Diesel
  • Length: 39 ft 11in
  • Slides: 3
  • Fuel: Diesel
  • Engine: Cummins ISB-XT 6.7L
  • Chassis: Freightliner XC-R
  • Sleeps: 7

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  • Bath and a Half
  • Bunk Over Cab
  • Outdoor Entertainment
  • Rear Bath
Floorplan
  • Available Beds King Tilt-A-View
  • Number of Bunks 1
  • Exterior Height 12 ft 6in
  • Exterior Width 8 ft 5in
  • Interior Height 7 ft
  • Pin Weight 10,000 lbs
  • Gross Weight 35,320 lbs
  • Dry Weight 28,930 lbs
  • Torque 800 ft lbs
  • Fuel Capacity 100 gal
  • Wheelbase 270 in
  • Tire Size 275/80R 22.5
  • Fresh Water Capacity 91 gal
  • Grey Water Capacity 51 gal
  • Black Water Capacity 51 gal
  • Furnace BTU 40,000
  • Exterior Color LUNA FULL BODY PAINT
  • Refrigerator Type Double Door Residential w/In Door Water and Ice
  • Refrigerator Size 21
  • Convection Cooking Yes
  • Cooktop Burners 2
  • Shower Size 52"" x 30
  • Shower Type Standard
  • Number of Awnings 1
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR 43"" LED Smart HDTV and 55"" LED Smart HDTV, BR 32"" LED Smart TV, Ext. 40"" LED TV

2026 Thor Motor Coach Aria 3901 Class A Diesel Motorhome Highlights:

  • Rear full bathroom with dual sinks and mid-coach half bath

  • Tilt-A-View inclining king bed in walk-through master bedroom

  • Drop-down cab bunk and 68"" sofa bed for flexible sleeping arrangements

  • Three slide outs for maximum interior space

  • Dream dinette, tri-fold sofa, and reclining theater seats for comfortable living

  • Stackable washer/dryer to keep linens fresh on the road

  • Convection microwave oven and electric induction cooktop

  • 21.4 cu. ft. double-door residential refrigerator and pantry for meal prep and storage

  • Two LED TVs and a fireplace for entertainment

  • Leatherette reclining/swivel adjustable captain's chairs

  • VFS front axle with 55-degree wheel cut, Air-Ride suspension, and Sachs shock absorbers for smooth handling

  • Solid surface countertops, designer tile backsplash, and Wyndham cabinetry with nickel finish hardware

  • Exterior LED TV for outdoor living enjoyment

The 2026 Thor Motor Coach Aria 3901 Class A diesel motorhome combines luxury, convenience, and adventure-ready features in one sleek package. With three slide outs, the living space is expansive, offering multiple seating options for the whole family or guests. The Dream dinette, tri-fold sofa, and reclining theater seats make relaxing simple, while the 68"" sofa bed and drop-down cab bunk provide additional sleeping arrangements for overnight adventures.

Cooking is effortless with the convection microwave, electric induction cooktop, and a large residential refrigerator, complemented by a spacious pantry for storage. The dual LED TVs and fireplace create a cozy and entertaining atmosphere, both indoors and outdoors with the exterior LED TV. Practical touches like the stackable washer/dryer, Tilt-A-View king bed, and mid-coach half bath elevate comfort for long-term road trips.

Engineered for smooth and confident driving, the Aria 3901 features a VFS front axle with a 55-degree wheel cut, Air-Ride suspension, and Sachs shock absorbers, paired with a 10.1"" touchscreen dash radio with Bluetooth and Sirius/XM prep for navigation. High-end finishes, including solid surface countertops, designer tile backsplash, and Wyndham cabinetry with rake-style doors, bring a residential feel to every journey.

 

Why Buy from Campers Inn RV Tucson: When you purchase from Campers Inn RV Tucson, you gain access to expert guidance, exceptional service, and ongoing support to make your RV

†Airstream of Tucson strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Airstream of Tucson is not responsible for errors made in stated pricing or specifications. Specifications and availability subject to change without notice. Price, length, weight, or any other specifications cannot be relied upon. Buyers should verify and confirm all claims made on the website. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Airstream of Tucson for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Airstream of Tucson is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

**Airstream of Tucson believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Airstream of Tucson cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.

***The advertised discount contains a $7,500 finance incentive. Finance Incentive applies if financing for your RV purchase is obtained with assistance by Airstream of Tucson and placed with a third party lender. Terms and Conditions may apply. Contact our finance department for further details.