Class A
Thor Motor Coach Aria 3401
Compare specs across all model years (2017–2025)
9
Model Years
8
Sleeps
34' 9"
Length
32,400
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2025 Aria 3401
Best Choice
Highest Mint Score (31.4). Most powerful engine (360 HP).
What Changed Year-Over-Year
2024
2025
Capacity Change
Sleeping capacity changed from 8 to 6.
2017
2018
Capacity Upgrade
Sleeping capacity increased from 6 to 8 with layout improvements.
All Model Years
Best Value
2025
2025 Thor Motor Coach Aria 3401
31.4
32,400 lbs GVWR
34' 9"
Sleeps 6
360 HP
↓ Sleeps 2 fewer than 2024
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2024
2024 Thor Motor Coach Aria 3401
29.1
32,400 lbs GVWR
34' 9"
Sleeps 8
360 HP
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2023
2023 Thor Motor Coach Aria 3401
29.4
32,400 lbs GVWR
34' 9"
Sleeps 8
360 HP
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2022
2022 Thor Motor Coach Aria 3401
29.4
32,400 lbs GVWR
34' 9"
Sleeps 8
360 HP
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2021
2021 Thor Motor Coach Aria 3401
29.4
32,400 lbs GVWR
34' 7"
Sleeps 8
360 HP
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2020
2020 Thor Motor Coach Aria 3401
29.4
32,400 lbs GVWR
34' 7"
Sleeps 8
360 HP
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2019
2019 Thor Motor Coach Aria 3401
30.2
32,400 lbs GVWR
34' 7"
Sleeps 8
360 HP
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2018
2018 Thor Motor Coach Aria 3401
28.9
32,400 lbs GVWR
34' 8"
Sleeps 8
360 HP
↑ Sleeps 2 more than 2017
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2017
2017 Thor Motor Coach Aria 3401
30.4
32,400 lbs GVWR
34' 8"
Sleeps 6
360 HP
Original model year
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Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.
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