2018 Keystone RV Avalanche 321rs Specs
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Up to 22,500 lbs
Safe Towing Capacity
80%
Under capacity
Safe zone
Max rating
Essential Upgrades for the 2018 Keystone RV Avalanche 321rs
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 15000 lbs | - | - | - |
| Dry Weight | 11370 lbs | - | - | - |
| Hitch Weight | 2320 lbs | - | - | - |
| Payload Capacity | 3630 lbs | Coil SumoSprings | Shop Suspension Kits | - |
| Length | 434 in | Furrion Backup Camera | Shop Cameras | - |
| Width | 100 in | Clip On Mirrors | Shop Mirrors | - |
| Exterior Height | 158 in | Telescoping Ladder | Shop Ladders | - |
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GVWR
15000 lbs
Dry Weight
11370 lbs
Hitch Weight
2320 lbs
Payload Capacity
3630 lbs
Length
434 in
Width
100 in
Exterior Height
158 in
Towing & Dimensions Best Sellers
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Electrical & Solar
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Shore Power | 30 Amps | - | - | - |
| Battery Type | 12V Lead-Acid | Renogy 100Ah LiFePO4 | RV Batteries | Top 5 |
| Solar Pre-Wired | Optional | - | - | - |
| Inverter | Optional | - | - | - |
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Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
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Tank Capacities
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Fresh Water Holding Tanks | 1 | - | - | - |
| Number Of Gray Water Holding Tanks | 1 | - | - | - |
| Number Of Black Water Holding Tanks | 1 | - | - | - |
| Fresh Water Tank Capacity | 66 gal | - | Fresh Water Tanks | - |
| Gray Water Tank Capacity | 83 gal | - | - | - |
| Black Water Tank Capacity | 49 gal | - | Back Water Tanks | - |
| Number Of Propane Tanks | 2 | - | - | - |
| Propane Tank Capacity | 60 lbs | 30Lb Propane Tank | Propane Tank Capacity | - |
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Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
1
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
66 gal
Gray Water Tank Capacity
83 gal
Black Water Tank Capacity
49 gal
Number Of Propane Tanks
2
Propane Tank Capacity
60 lbs
Tank Capacities Best Sellers
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Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Rear Tire | ST235/85R 16G Full Spec | - | - | - |
| Rear Tire Speed Rating | G | - | - | - |
| Wheels Composition | Aluminum | - | - | - |
| Rear Brake Type | Electric Drum | - | - | - |
| Rear Wheel Diameter | 16 | - | - | - |
| Rear Tire Aspect Ratio | 85 | - | - | - |
| Rear Wheel Width | 6 in | - | - | - |
| Rear Tire Width | 235 | - | - | - |
Specs
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Rear Tire
ST235/85R 16G Full Spec
Rear Tire Speed Rating
G
Wheels Composition
Aluminum
Rear Brake Type
Electric Drum
Rear Wheel Diameter
16
Rear Tire Aspect Ratio
85
Rear Wheel Width
6 in
Rear Tire Width
235
Heating & Cooling
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Air Conditioning Type | Automatic | Dometic 13.5K Air Conditioner | Shop All RV AC | - |
| Water Heater Tank Capacity | 12 g | RV Tank Water Heater | RV Water Heaters | - |
| Heater Type | Automatic | - | - | - |
| Water Heater Pump Power Mode | Electrical / Propane | - | - | - |
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Air Conditioning Type
Automatic
Water Heater Tank Capacity
12 g
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical / Propane
Heating & Cooling Best Sellers
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Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Master Bedroom Mirror Doors | Yes | - | - | - |
| Number Of Bathrooms | 1 | - | - | - |
| Master Bedroom Door Style | Conventional Door | - | - | - |
| Number Of Sofas | 1 | Tri-Fold Sofa | - | - |
| Number Of King Size Beds | 1 | - | - | - |
| Master Bedroom Location | Front | - | - | - |
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Number Of Recliner / Rockers | 2 | - | - | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Number Of Convertible / Sofa Beds | 1 | - | - | - |
| Master Bedroom Flooring Type | Carpet | - | - | - |
| Reclining Sofa | No | RV Loveseat Recliner Sofa | Shop Sofa | - |
| Sofa Material | Vinyl | - | - | - |
| Living Area Location | Rear | - | - | - |
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Master Bedroom Mirror Doors
Yes
Number Of Bathrooms
1
Master Bedroom Door Style
Conventional Door
Number Of Sofas
1
Number Of King Size Beds
1
Master Bedroom Location
Front
Full Size Master Bedroom Closet
Yes
Number Of Recliner / Rockers
2
Master Bedroom Shades / Curtains
Yes
Number Of Convertible / Sofa Beds
1
Master Bedroom Flooring Type
Carpet
Reclining Sofa
No
Sofa Material
Vinyl
Living Area Location
Rear
Living Room / Bedroom(s) Best Sellers
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Kitchen / Dining
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Oven Depth | 22 / 558.8 in | - | - | - |
| Kitchen Location | Center | - | - | - |
| Refrigerator Size | Full-Size | - | - | - |
| Number Of Oven Burners | 3 | - | - | - |
| Kitchen / Living Area Flooring Type | Carpet / Vinyl | - | - | - |
| Refrigerator Power Mode | Electric / Propane | - | - | - |
| Kitchen Table Configuration | Chairs | - | - | - |
Specs
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Oven Depth
22 / 558.8 in
Kitchen Location
Center
Refrigerator Size
Full-Size
Number Of Oven Burners
3
Kitchen / Living Area Flooring Type
Carpet / Vinyl
Refrigerator Power Mode
Electric / Propane
Kitchen Table Configuration
Chairs
Bathroom
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Bathroom Flooring Type | Vinyl | - | - | - |
| Toilet Type | Porcelain | RV Toilet with Sprayer Attachment | Toilets | Top 5 |
| Bathroom Location | Center | - | - | - |
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Bathroom Flooring Type
Vinyl
Toilet Type
Porcelain
Bathroom Location
Center
Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Awning Length | 14 ft/m | Awning Fabric Replacement | All Awnings | - |
| Number of Awnings | 1 | Motorized RV Awning Set | Shop Awnings | - |
| Leveling Jack Type | Front Power / Rear Power | - | - | - |
| Number Of Axles | 2 | - | - | - |
| Sidewall Construction | Fiberglass | - | - | - |
| Number Of Emergency Exits | 1 | - | - | - |
| Number of Doors | 1 | - | - | - |
| Door Type | Plastic / Glass | - | - | - |
| Body Material | Aluminum | - | - | - |
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Awning Length
14 ft/m
Number of Awnings
1
Leveling Jack Type
Front Power / Rear Power
Number Of Axles
2
Sidewall Construction
Fiberglass
Number Of Emergency Exits
1
Number of Doors
1
Door Type
Plastic / Glass
Body Material
Aluminum
Exterior Best Sellers
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Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Water Heater Tank Bypass | Yes | - | - | - |
| Satellite | No | - | - | - |
| Air Conditioning Prewiring | Yes | - | - | - |
| Heat Prewiring | Yes | - | - | - |
| Power Retractable Slideout | Yes | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Overhead Fan | Yes | Overhead Fan | - | - |
| Screened Room | No | - | - | - |
| Bunkhouse | No | - | - | - |
| Washer / Dryer Prewiring | Yes | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| Refrigerator | Standard | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Surround Sound | Yes | - | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Battery Power Converter | Yes | - | - | - |
| Heated | No | - | - | - |
| Wallpaper | Yes | - | - | - |
| Phone Prewiring | Yes | - | - | - |
| Sliding Glass Door | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
Specs
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Water Heater Tank Bypass
Yes
Satellite
No
Air Conditioning Prewiring
Yes
Heat Prewiring
Yes
Power Retractable Slideout
Yes
TV Antenna Prewiring
Yes
Overhead Fan
Yes
Screened Room
No
Bunkhouse
No
Washer / Dryer Prewiring
Yes
Interior Wood Finish
Yes
Refrigerator
Standard
Power Retractable Awning
Yes
Surround Sound
Yes
Satellite Prewiring
Yes
Battery Power Converter
Yes
Heated
No
Wallpaper
Yes
Phone Prewiring
Yes
Sliding Glass Door
No
Cable Prewiring
Yes
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Speaker Location | Interior / Exterior | RecPro Exterior Speakers | - | - |
| Number Of Televisions | 1 | Insignia LED HD Alexa TV | Shop RV TV's | - |
| Number Of Discs | 1 | - | - | - |
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Speaker Location
Interior / Exterior
Number Of Televisions
1
Number Of Discs
1
Entertainment Best Sellers
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Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 1 | - | - | - |
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Number Of Radios
1
Interior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Material | Vinyl | - | - | - |
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Material
Vinyl
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Keystone RV Inc. | - | - | - |
| Year | 2018 | - | - | - |
| Make | Keystone | - | - | - |
| Display Name | Avalanche 321RS | - | - | - |
| Class | Fifth Wheel | - | - | - |
| Max Sleeping Count | 4 | - | - | - |
| Number of Slideouts | 3 | - | - | - |
| Introduction Year | 2018 | - | - | - |
Specs
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Parent Company
Keystone RV Inc.
Year
2018
Make
Keystone
Display Name
Avalanche 321RS
Class
Fifth Wheel
Max Sleeping Count
4
Number of Slideouts
3
Introduction Year
2018
How We Scored This RV
Our MintRV Rating analyzes over 50 specifications across 5 key dimensions. Each dimension starts at 5.0 points and adjusts based on how this RV's specs compare to others in its class. Below is exactly how we calculated each score for this fifth wheel.
Tow-Ready Score
6.8/10
Base Score
5.0
Spec-based adjustments
Based on Fifth Wheel class averages
+1.8
Final Tow-Ready Score
6.8
Living Space & Layout
7.3/10
Base Score
5.0
Spec-based adjustments
Based on Fifth Wheel class averages
+2.3
Final Living Space & Layout
7.3
Comfort & Features
6.3/10
Base Score
5.0
Spec-based adjustments
Based on Fifth Wheel class averages
+1.3
Final Comfort & Features
6.3
Storage Space
6.5/10
Base Score
5.0
Spec-based adjustments
Based on Fifth Wheel class averages
+1.5
Final Storage Space
6.5
Off-Grid & Campsites
6.8/10
Base Score
5.0
Spec-based adjustments
Based on Fifth Wheel class averages
+1.8
Final Off-Grid & Campsites
6.8
About Our Rating Methodology
MintRV Ratings are calculated using verified manufacturer specifications. We compare each RV against others in its class type and weight category. Scores are updated when new specs become available. Learn more about our methodology →
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Frequently Asked Questions
To safely tow the 2018 Keystone RV Avalanche 321rs, ensure your vehicle's rated tow capacity exceeds its GVWR of 15000 lbs. With a dry weight of 11370 lbs and hitch weight of 2320 lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.
This Fifth Wheel has a dry weight of 11370 lbs and a GVWR of 15000 lbs, giving a payload capacity of 3630 lbs for gear, water, and supplies.
The approximate dimensions are length 434 in., width 100 in., and height 158 in. Always confirm clearances for garages, storage, and campsites.
The Avalanche 321rs includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Avalanche 321rs owners add a weight-distribution hitch, brake controller, leveling system, and portable generator to improve towing comfort. Solar kits, backup cameras, and upgraded tires are also popular upgrades.
With a GVWR of 15000 lbs and dry weight of 11370 lbs, the Avalanche 321rs is light enough for smaller tow vehicles yet rugged enough for light off-road travel. Add solar, extra propane, and a generator for extended off-grid stays.
This floorplan sleeps up to 4 people comfortably - perfect for couples or small families seeking a lightweight, easy-tow Fifth Wheel.
The Avalanche 321rs features body construction with sidewalls and 2 axle(s). Its GVWR of 15000 lbs ensures strength without excessive towing weight.
?? Tip: Always check your vehicle's specific towing capacity in the owner's manual. Consider payload and tongue weight too!
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