Toy Hauler
Jayco Seismic 359
Compare specs across all model years (2022–2025)
4
Model Years
8
Sleeps
41' 9"
Length
16,871
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2022 Seismic 359
Best Choice
Lightest GVWR (16,500 lbs) makes it towable by more vehicles. Highest Mint Score (29.6).
What Changed Year-Over-Year
2022
2023
Weight Increase
GVWR increased from 16,500 to 16,995 lbs (495 lbs heavier).
All Model Years
2025
2025 Jayco Seismic 359
28.9
16,995 lbs GVWR
2,901 lbs Hitch
41' 9"
Sleeps 8
View Full Specs
Check Towing
2024
2024 Jayco Seismic 359
28.6
16,995 lbs GVWR
2,901 lbs Hitch
41' 9"
Sleeps 8
View Full Specs
Check Towing
2023
2023 Jayco Seismic 359
29.4
16,995 lbs GVWR
2,745 lbs Hitch
41' 9"
Sleeps 8
↑ 495 lbs heavier than 2022
View Full Specs
Check Towing
Best Value
2022
2022 Jayco Seismic 359
29.6
16,500 lbs GVWR
2,830 lbs Hitch
41' 7"
Sleeps 8
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Seismic 359?
Enter your truck specs to see if any of these model years fit your towing capacity—and which year gives you the most safety margin.
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.

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