New 2026 Thor Motor Coach Aria 4000 Motor Home Class A - Diesel

RR-In Transit
2026 4000 Features and Options

MSRP $443,919. The New 2026 Thor Motor Coach Aria Diesel Pusher Model 4000

Optional 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. Visit MHSRV.com for our complete line-up and the sale prices that have made us the #1 volume selling motor home dealership in the world 12 years in a row!

About This RV

This RV is approximately 41 feet 1 inches in length and features (3) slide-out rooms, drop down overhead loft, king size Tilt-A-View inclining bed, 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. At Motor Home Specialist, we never charge prep or orientation fees. Every new RV sale includes a multi-point inspection, full interior and exterior detail, and a high-pressure rain booth test—an exclusive service in the industry. You'll also receive a comprehensive coach orientation with an MHSRV technician and a complimentary night in our delivery park with full hook-ups. --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
You Save: $126,810
Sale Price: $329,989
Blue Compass RV
Location: Alvarado TX
Stock# MHS44470
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RV ID: 3476397#
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2026 4000 Specifications
Sleeps 9
Slides 3
Length 41 ft
Ext Width 8 ft 5 in
Ext Height 12 ft 6 in
Int Height 7 ft
Interior Color Stillwater & Chalet
Exterior Color Laguna
Hitch Weight 10000 lbs
GVWR 35320 lbs
Fresh Water Capacity 91 gals
Grey Water Capacity 70 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 284 in
Number Of Bunks 3
Available Beds King Tilt-A-View
Torque 800 ft-lb
Refrigerator Type Double Door Residential w/In Door Water and Ice
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 240 cu. ft.
TV Info Cab 32" LED Smart TV, LR 50" LED Smart TV, 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 Shower w/Seat
Electrical Service 50 amp
VIN 4UZACHFC8VCXE5491
For more information Contact Us

Aria 4000 Reviews

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