Class A
Thor Motor Coach Aria 4000
Compare specs across all model years (2018–2026)
9
Model Years
10
Sleeps
41' 1"
Length
35,320
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2026 Aria 4000
Best Choice
Highest Mint Score (29.1). Most powerful engine (360 HP).
All Model Years
Best Value
2026
2026 Thor Motor Coach Aria 4000
29.1
35,320 lbs GVWR
41' 1"
Sleeps 10
360 HP
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2025
2025 Thor Motor Coach Aria 4000
28.4
35,320 lbs GVWR
41' 1"
Sleeps 10
360 HP
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2024
2024 Thor Motor Coach Aria 4000
28.6
35,320 lbs GVWR
41' 1"
Sleeps 10
360 HP
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2023
2023 Thor Motor Coach Aria 4000
28.1
35,320 lbs GVWR
41' 1"
Sleeps 10
360 HP
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2022
2022 Thor Motor Coach Aria 4000
28.1
35,320 lbs GVWR
41' 1"
Sleeps 10
360 HP
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2021
2021 Thor Motor Coach Aria 4000
28.7
35,320 lbs GVWR
40' 11"
Sleeps 10
360 HP
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2020
2020 Thor Motor Coach Aria 4000
28.7
35,320 lbs GVWR
40' 11"
Sleeps 10
360 HP
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2019
2019 Thor Motor Coach Aria 4000
28.7
35,320 lbs GVWR
40' 11"
Sleeps 10
360 HP
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2018
2018 Thor Motor Coach Aria 4000
28.7
35,320 lbs GVWR
40' 11"
Sleeps 10
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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