Class B
Thor Motor Coach Sequence 20a
Compare specs across all model years (2021–2025)
5
Model Years
4
Sleeps
21' 1"
Length
9,350
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2023 Sequence 20a
Best Choice
Highest Mint Score (28.1). Most powerful engine (280 HP).
What Changed Year-Over-Year
2023
2024
Capacity Upgrade
Sleeping capacity increased from 3 to 4 with layout improvements.
2022
2023
Capacity Change
Sleeping capacity changed from 5 to 3.
2021
2022
Capacity Upgrade
Sleeping capacity increased from 3 to 5 with layout improvements.
All Model Years
2025
2025 Thor Motor Coach Sequence 20a
26.8
9,350 lbs GVWR
3,500 lbs Hitch
21' 1"
Sleeps 4
276 HP
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2024
2024 Thor Motor Coach Sequence 20a
27.3
9,350 lbs GVWR
3,500 lbs Hitch
21' 1"
Sleeps 4
276 HP
↑ Sleeps 1 more than 2023
View Full Specs
Best Value
2023
2023 Thor Motor Coach Sequence 20a
28.1
9,350 lbs GVWR
21' 1"
Sleeps 3
280 HP
↓ Sleeps 2 fewer than 2022
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2022
2022 Thor Motor Coach Sequence 20a
26.1
9,350 lbs GVWR
21' 1"
Sleeps 5
280 HP
↑ Sleeps 2 more than 2021
View Full Specs
2021
2021 Thor Motor Coach Sequence 20a
27.9
9,350 lbs GVWR
20' 11"
Sleeps 3
280 HP
Original model year
View Full Specs
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.
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