2021 Thor Motor Coach ARIA 3901

Travel in style, power, and comfort with this 2021 Thor Motor Coach Aria 3901, a high-end Class A diesel pusher built for extended adventures and full-time living. With triple slide-outs, a residential layout, and premium features throughout, this coach delivers a true luxury motorhome experience from the driver’s seat to the master bedroom.

Built on a Freightliner chassis and powered by a Cummins diesel engine, the Aria 3901 blends performance, reliability, and upscale living in a stunning, modern coach.

⭐ Key Highlights

• Length: approx. 39’ 2”

• Chassis: Freightliner XC-Series

• Engine: Cummins ISB 6.7L Turbo Diesel (360 HP)

• Transmission: Allison 3000 MH 6-speed automatic

• 3 Slide-Outs for massive interior space

• King-size bed

• Residential refrigerator

• Automatic leveling jacks

• Up to 10,000 lb towing capacity

• Onan 8,000-watt Quiet Diesel generator

  🌄 Why Choose the Aria 3901?

  The Thor Aria 3901 is perfect for:
  ✅ Full-time RV living
  ✅ Luxury road trips
  ✅ Families & extended stays
  ✅ Anyone wanting a premium diesel Class A at a great value

  It offers everything you’d expect from a high-end coach – power, beauty, space, and comfort.