Fifth Wheel
Keystone RV Avalanche 365mb
Compare specs across all model years (2017–2022)
6
Model Years
8
Sleeps
39' 5"
Length
15,500
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2022 Avalanche 365mb
Best Choice
Lightest GVWR (15,500 lbs) makes it towable by more vehicles. Highest Mint Score (29.2).
What Changed Year-Over-Year
2019
2020
Capacity Upgrade
Sleeping capacity increased from 7 to 8 with layout improvements.
2017
2018
Capacity Change
Sleeping capacity changed from 8 to 7.
All Model Years
Best Value
2022
2022 Keystone RV Avalanche 365mb
29.2
15,500 lbs GVWR
2,730 lbs Hitch
39' 5"
Sleeps 8
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2021
2021 Keystone RV Avalanche 365mb
29.2
15,500 lbs GVWR
2,730 lbs Hitch
39' 4"
Sleeps 8
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2020
2020 Keystone RV Avalanche 365mb
28.7
15,500 lbs GVWR
2,730 lbs Hitch
39' 4"
Sleeps 8
↑ Sleeps 1 more than 2019
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2019
2019 Keystone RV Avalanche 365mb
28.6
15,500 lbs GVWR
2,730 lbs Hitch
39' 10"
Sleeps 7
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2018
2018 Keystone RV Avalanche 365mb
28.9
15,500 lbs GVWR
2,730 lbs Hitch
39' 10"
Sleeps 7
↓ Sleeps 1 fewer than 2017
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2017
2017 Keystone RV Avalanche 365mb
28.6
15,500 lbs GVWR
2,730 lbs Hitch
39' 10"
Sleeps 8
Original model year
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Check Towing
Can Your Vehicle Tow the Avalanche 365mb?
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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