AllRVs Certified Floor plans
21 layouts available for the Sonic — you're viewing the SL21.
Sonic Lite 22RB
$20,000
22 ft · sleeps 4
SN190VRB
$23,995
23 ft · sleeps 4
SL21Viewing
$25,000
21 ft · sleeps 2
25RL
$29,995
25 ft · sleeps 5
Sonic20
$30,000
20 ft · sleeps 2
SL140VRB
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18.8 ft · sleeps 2
SL150VRB
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18 ft · sleeps 4
SL150VRK
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19.2 ft · sleeps 2
SL160VFB
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21.2 ft · sleeps 2
SL169VMK
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21.2 ft · sleeps 2
SL169VRK
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22.2 ft · sleeps 2
SL169VUD
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22.2 ft · sleeps 4
SL170VBH
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22.8 ft
SN211VDB
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27.1 ft · sleeps 2
SN220VBH
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26.6 ft · sleeps 2
SN220VRB
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27.1 ft · sleeps 2
SN231VRK
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27 ft · sleeps 1
SN231VRL
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26.9 ft · sleeps 2
SN241VRB
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29 ft · sleeps 5
Sonic
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Sonic Lite
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sleeps 2
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Specifications
Overview
Year2025
ClassTravel Trailer
Dimensions
Overall length21 ft
Weights & towing
GVWR3,500 lbs
Dry weight2,700 lbs
Sleeping & bath
Sleeps2
Slide-outs1
How it compares
Sonic SL21 vs Custom Flatbed and Slide-In Campers
The Sonic SL21 is roomier than the Custom Flatbed and Slide-In Campers.
Sonic SL21 vs Comfort
The Sonic SL21 and Comfort are closely matched on size, price, and capability.
Shoppers also compare
People comparing the Sonic SL21 usually also look at these Travel Trailer models in the same price range.
