Toy Hauler
Forest River RV XLR Thunderbolt 340x12hp
Compare specs across all model years (2014–2015)
2
Model Years
9
Sleeps
38' 0"
Length
16,581
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2014 XLR Thunderbolt 340x12hp
Best Choice
Highest Mint Score (28.9).
What Changed Year-Over-Year
2014
2015
Capacity Change
Sleeping capacity changed from 10 to 8.
All Model Years
2015
2015 Forest River RV XLR Thunderbolt 340x12hp
28.4
2,640 lbs Hitch
38' 0"
Sleeps 8
↓ Sleeps 2 fewer than 2014
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Best Value
2014
2014 Forest River RV XLR Thunderbolt 340x12hp
28.9
16,581 lbs GVWR
2,640 lbs Hitch
38' 0"
Sleeps 10
Original model year
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Check Towing
Can Your Vehicle Tow the XLR Thunderbolt 340x12hp?
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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