Toy Hauler
Jayco Seismic 4250
Compare specs across all model years (2016–2019)
4
Model Years
7
Sleeps
20,000
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2017 Seismic 4250
Best Choice
Lightest GVWR (20,000 lbs) makes it towable by more vehicles. Highest Mint Score (31.4).
What Changed Year-Over-Year
2016
2017
Capacity Change
Sleeping capacity changed from 8 to 7.
All Model Years
2019
2019 Jayco Seismic 4250
29.1
3,340 lbs Hitch
Sleeps 7
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2018
2018 Jayco Seismic 4250
30.9
20,000 lbs GVWR
3,340 lbs Hitch
44' 11"
Sleeps 7
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Best Value
2017
2017 Jayco Seismic 4250
31.4
20,000 lbs GVWR
3,290 lbs Hitch
45' 0"
Sleeps 7
↓ Sleeps 1 fewer than 2016
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2016
2016 Jayco Seismic 4250
29.4
20,000 lbs GVWR
3,275 lbs Hitch
44' 11"
Sleeps 8
Original model year
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Check Towing
Can Your Vehicle Tow the Seismic 4250?
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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