2026 Thor Aria 4000
Class A · 41.08 ft · sleeps 8

Floor plan

Photos of the 2026 Thor Aria 4000
Walkthrough video
Video courtesy of Colton RV & Marine on YouTube.
Full specifications
Dimensions
| Length | 41.08 ft |
|---|---|
| Width | 101 in |
| Exterior Height | 12.5 ft |
| Interior Height | 84 in |
| Slide-Outs | 2 |
Weights
| GVWR | 35,320 lbs |
|---|
Drivetrain
| Fuel | Diesel |
|---|---|
| Engine | Cummins® ISB-XT 6.7L |
| Chassis | Freightliner XC-R |
Living
| Sleeps | 8 |
|---|---|
| Bed Configuration | King Bed + Bunks |
| Bath Layout | 2 bath |
| Bunkhouse | Yes |
Tanks
| Fresh Water | 91 gal |
|---|---|
| Grey Water | 70 gal |
| Black Water | 51 gal |
Power & Electrical
| Shore Power | 50 A |
|---|
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | No |
| Four-Season | No |
| Off-Road Capable | No |
Similar Class As to consider
Other class as in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Thor Aria 4000 sleep?
The 2026 Thor Aria 4000 sleeps 8 and has a King Bed + Bunks bed configuration.
How much does the 2026 Thor Aria 4000 cost?
The manufacturer-suggested retail price (MSRP) for the 2026 Thor Aria 4000 is $440,860. Confirm with the manufacturer or dealer for current pricing — actual transaction prices vary.
How long is the 2026 Thor Aria 4000?
The 2026 Thor Aria 4000 is 41.08 feet long and 12.5 feet tall.
Where can I buy the 2026 Thor Aria 4000?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Thor" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
Not sure if the 2026 Thor Aria 4000 is right for you?
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