2019 Forest River RV Sierra 401flx Specs
Can Your Vehicle Tow This?
Interactive towing compatibility checker
Select Your Tow Vehicle
RECOMMENDED TOW VEHICLES
Ford F-250
Up to 22,800 lbs
Ram 2500
Up to 20,000 lbs
Chevy 2500HD
Up to 22,500 lbs
GMC 2500HD
Up to 22,500 lbs
Safe Towing Capacity
80%
Under capacity
Safe zone
Max rating
Essential Upgrades for the 2019 Forest River RV Sierra 401flx
Towing & Dimensions
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| GVWR | 13841 lbs | Class 4 Receiver | - | - |
| Dry Weight | 10830 lbs | CURT WD Hitch & Sway Controller | - | - |
| Hitch Weight | 1841 lbs | - | - | - |
| Payload Capacity | 3011 lbs | Coil SumoSprings | - | - |
| Length | 487 in | Furrion Backup Camera | Shop Cameras | - |
| Width | 96 in | Clip On Mirrors | Shop Mirrors | - |
| Exterior Height | 158 in | Telescoping Ladder | Shop Ladders | - |
| Interior Height | 99 in | - | - | - |
Specs
Buy Now
More
GVWR
13841 lbs
Dry Weight
10830 lbs
Hitch Weight
1841 lbs
Payload Capacity
3011 lbs
Length
487 in
Width
96 in
Exterior Height
158 in
Interior Height
99 in
Towing & Dimensions Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Electrical & Solar
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Battery Converter Amps | 65 | - | - | - |
| Shore Power | 30 Amps | - | - | - |
| Battery Type | 12V Lead-Acid | Renogy 100Ah LiFePO4 | RV Batteries | Top 5 |
| Solar Pre-Wired | Optional | - | - | - |
| Inverter | Optional | - | - | - |
Specs
Buy Now
More
Battery Converter Amps
65
Shore Power
30 Amps
Battery Type
12V Lead-Acid
Solar Pre-Wired
Optional
Inverter
Optional
Electrical & Solar Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Tank Capacities
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Fresh Water Holding Tanks | 1 | - | - | - |
| Number Of Gray Water Holding Tanks | 3 | - | - | - |
| Number Of Black Water Holding Tanks | 1 | - | - | - |
| Fresh Water Tank Capacity | 60 gal | - | Fresh Water Tanks | - |
| Gray Water Tank Capacity | 156 gal | - | - | - |
| Black Water Tank Capacity | 52 gal | - | Back Water Tanks | - |
| Number Of Propane Tanks | 2 | - | - | - |
| Propane Tank Capacity | 60 lbs | 30Lb Propane Tank | Propane Tank Capacity | - |
Specs
Buy Now
More
Number Of Fresh Water Holding Tanks
1
Number Of Gray Water Holding Tanks
3
Number Of Black Water Holding Tanks
1
Fresh Water Tank Capacity
60 gal
Gray Water Tank Capacity
156 gal
Black Water Tank Capacity
52 gal
Number Of Propane Tanks
2
Propane Tank Capacity
60 lbs
Tank Capacities Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Tires & Wheels
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Rear Brake Type | Electric Drum | - | - | - |
| Wheels Composition | Aluminum | - | - | - |
| Front Brake Type | Not Applicable | - | - | - |
| Rear Wheel Diameter | 16 | - | - | - |
| Rear Tire | 16-Inch E-Rated Radial Full Spec | - | - | - |
| Rear Tire Speed Rating | E | - | - | - |
Specs
Buy Now
More
Rear Brake Type
Electric Drum
Wheels Composition
Aluminum
Front Brake Type
Not Applicable
Rear Wheel Diameter
16
Rear Tire
16-Inch E-Rated Radial Full Spec
Rear Tire Speed Rating
E
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 | 10 g | RV Tank Water Heater | RV Water Heaters | - |
| Heater Type | Automatic | - | - | - |
| Water Heater Pump Power Mode | Electrical / Propane | - | - | - |
Specs
Buy Now
More
Air Conditioning Type
Automatic
Water Heater Tank Capacity
10 g
Heater Type
Automatic
Water Heater Pump Power Mode
Electrical / Propane
Heating & Cooling Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Living Room / Bedroom(s)
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Bathrooms | 1 | - | - | - |
| Reclining Sofa | No | RV Loveseat Recliner Sofa | Shop Sofa | - |
| Full Size Master Bedroom Closet | Yes | - | - | - |
| Master Bedroom Door Style | Conventional Door | - | - | - |
| Number Of Sofas | 1 | Tri-Fold Sofa | - | - |
| Master Bedroom Shades / Curtains | Yes | - | - | - |
| Number Of King Size Beds | 1 | - | - | - |
| Master Bedroom Location | Rear | - | - | - |
| Number Of Recliner / Rockers | 2 | - | - | - |
| Master Bedroom Mirror Doors | Yes | - | - | - |
| Number Of Convertible / Sofa Beds | 1 | - | - | - |
| Master Bedroom Flooring Type | Vinyl | - | - | - |
| Sofa Material | Vinyl | - | - | - |
| Living Area Location | Front | - | - | - |
Specs
Buy Now
More
Number Of Bathrooms
1
Reclining Sofa
No
Full Size Master Bedroom Closet
Yes
Master Bedroom Door Style
Conventional Door
Number Of Sofas
1
Master Bedroom Shades / Curtains
Yes
Number Of King Size Beds
1
Master Bedroom Location
Rear
Number Of Recliner / Rockers
2
Master Bedroom Mirror Doors
Yes
Number Of Convertible / Sofa Beds
1
Master Bedroom Flooring Type
Vinyl
Sofa Material
Vinyl
Living Area Location
Front
Living Room / Bedroom(s) Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
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 | - | - | - |
| Kitchen Table Configuration | Chairs | - | - | - |
Specs
Buy Now
More
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
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 | - | - | - |
Specs
Buy Now
More
Bathroom Flooring Type
Vinyl
Toilet Type
Porcelain
Bathroom Location
Center
Exterior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Awning Length | 18 ft/m | Awning Fabric Replacement | All Awnings | - |
| Number of Awnings | 1 | Motorized RV Awning Set | Shop Awnings | - |
| Number Of Axles | 2 | - | - | - |
| Sidewall Construction | Fiberglass | - | - | - |
| Number Of Emergency Exits | 1 | - | - | - |
| Number of Doors | 2 | - | - | - |
| Door Type | Plastic / Glass | - | - | - |
| Body Material | Aluminum | - | - | - |
Specs
Buy Now
More
Awning Length
18 ft/m
Number of Awnings
1
Number Of Axles
2
Sidewall Construction
Fiberglass
Number Of Emergency Exits
1
Number of Doors
2
Door Type
Plastic / Glass
Body Material
Aluminum
Exterior Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Options
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Wallpaper | Yes | - | - | - |
| Interior Wood Finish | Yes | - | - | - |
| Phone Prewiring | No | - | - | - |
| Sliding Glass Door | Yes | - | - | - |
| Water Heater Tank Bypass | Yes | - | - | - |
| Satellite | No | - | - | - |
| Battery Power Converter | Yes | - | - | - |
| Heated | No | - | - | - |
| Power Retractable Slideout | Yes | - | - | - |
| TV Antenna Prewiring | Yes | - | - | - |
| Overhead Fan | Yes | Overhead Fan | - | - |
| Screened Room | No | - | - | - |
| Cable Prewiring | Yes | - | - | - |
| Washer / Dryer Prewiring | Yes | - | - | - |
| Refrigerator | Standard | - | - | - |
| Air Conditioning Prewiring | Yes | - | - | - |
| Heat Prewiring | Yes | - | - | - |
| Power Retractable Awning | Yes | - | - | - |
| Surround Sound | Yes | - | - | - |
| Metallic | No | - | - | - |
| Satellite Prewiring | Yes | - | - | - |
| Bunkhouse | No | - | - | - |
Specs
Buy Now
More
Wallpaper
Yes
Interior Wood Finish
Yes
Phone Prewiring
No
Sliding Glass Door
Yes
Water Heater Tank Bypass
Yes
Satellite
No
Battery Power Converter
Yes
Heated
No
Power Retractable Slideout
Yes
TV Antenna Prewiring
Yes
Overhead Fan
Yes
Screened Room
No
Cable Prewiring
Yes
Washer / Dryer Prewiring
Yes
Refrigerator
Standard
Air Conditioning Prewiring
Yes
Heat Prewiring
Yes
Power Retractable Awning
Yes
Surround Sound
Yes
Metallic
No
Satellite Prewiring
Yes
Bunkhouse
No
Entertainment
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Televisions | 1 | Insignia LED HD Alexa TV | Shop RV TV's | - |
| Number Of Discs | 1 | - | - | - |
| Speaker Location | Interior / Exterior | RecPro Exterior Speakers | - | - |
Specs
Buy Now
More
Number Of Televisions
1
Number Of Discs
1
Speaker Location
Interior / Exterior
Entertainment Best Sellers
Top-rated products RV owners use to upgrade or maintain their RV.
Instrumentation
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Number Of Radios | 1 | - | - | - |
Specs
Buy Now
More
Number Of Radios
1
Interior
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Material | Vinyl | - | - | - |
Specs
Buy Now
More
Material
Vinyl
Quick Overview
| Specs | Value | Buy | Shop All | Top 5 |
|---|---|---|---|---|
| Parent Company | Forest River Inc. | - | - | - |
| Year | 2019 | - | - | - |
| Make | Forest River | - | - | - |
| Display Name | Sierra Destination 401FLX | - | - | - |
| Class | Destination | - | - | - |
| Max Sleeping Count | 4 | - | - | - |
| Number of Slideouts | 3 | - | - | - |
| Introduction Year | 2016 | - | - | - |
Specs
Buy Now
More
Parent Company
Forest River Inc.
Year
2019
Make
Forest River
Display Name
Sierra Destination 401FLX
Class
Destination
Max Sleeping Count
4
Number of Slideouts
3
Introduction Year
2016
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 destination.
Tow-Ready Score
5.5/10
Base Score
5.0
Spec-based adjustments
Based on Destination class averages
+0.5
Final Tow-Ready Score
5.5
Living Space & Layout
7.3/10
Base Score
5.0
Spec-based adjustments
Based on Destination class averages
+2.3
Final Living Space & Layout
7.3
Comfort & Features
5.8/10
Base Score
5.0
Spec-based adjustments
Based on Destination class averages
+0.8
Final Comfort & Features
5.8
Storage Space
7.5/10
Base Score
5.0
Spec-based adjustments
Based on Destination class averages
+2.5
Final Storage Space
7.5
Off-Grid & Campsites
7.8/10
Base Score
5.0
Spec-based adjustments
Based on Destination class averages
+2.8
Final Off-Grid & Campsites
7.8
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 →
Owner Reviews
No reviews yet. Be the first to share your experience!
Frequently Asked Questions
To safely tow the 2019 Forest River RV Sierra 401flx, ensure your vehicle's rated tow capacity exceeds its GVWR of 13841 lbs. With a dry weight of 10830 lbs and hitch weight of 1841 lbs, most midsize trucks and SUVs can tow it comfortably with a 10-20% safety margin.
This Destination has a dry weight of 10830 lbs and a GVWR of 13841 lbs, giving a payload capacity of 3011 lbs for gear, water, and supplies.
The approximate dimensions are length 487 in., width 96 in., and height 158 in. Always confirm clearances for garages, storage, and campsites.
The Sierra 401flx includes a fresh water capacity of gallons, black water tank(s), and lbs of propane capacity-ideal for off-grid weekends.
Many Sierra 401flx 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 13841 lbs and dry weight of 10830 lbs, the Sierra 401flx 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 Destination.
The Sierra 401flx features body construction with sidewalls and 2 axle(s). Its GVWR of 13841 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!
As an Amazon Associate, we may earn from qualifying purchases. Your price stays the same.
"Our mission at Mint RV is to help people make well-informed RV buying decisions, so they can escape the stress of everyday life, reconnect with family, and create unforgettable memories in the great outdoors"