389HBFLLuxury Travel
Length 39' 11"Sleeps 4
The 2026 Forest River Sierra Destination 389HBFL is a spacious and residential-style destination trailer built for extended stays and full-time comfort.
View Inventory (3)2026 – 2027
Forest River Sierra Destination
Destination Trailer
The Forest River Sierra Destination is a destination trailer from Forest River, with 5 floorplans in stock at Giant RV from 39' 11" – 42' 8", sleeping 4 – 9. Compare every floorplan side by side, check the specs, and shop live Sierra Destination inventory across our Southern California locations.
4 – 9Sleeps
39' 11" – 42' 8"Lengths
5Floorplans
2 – 4Slides
11,774 lb. – 12,734 lb.Dry Weight
1,290 lb. – 1,685 lb.Hitch Weight
13,510 lb. – 14,000 lb.GVWR
50 gal. – 70 gal.Fresh Water
Why Buy the Forest River Sierra Destination?
- 5 floorplans in stock from 39' 11" – 42' 8" — compare them side by side below
- Sleeps up to 9 in the 41DUPLEX
- Up to 4 slide-outs for extra living space when parked
- Dry weight from 11,774 lb. (389HBFL) — check it against your tow vehicle’s rating
- Up to 70 gal. fresh water for time away from hookups
- Built for luxury travel and family friendly travel
- Sold and serviced by Giant RV at four Southern California locations
Floorplans
View All Inventory41DUPLEXFamily Friendly
Length 40' 1"Sleeps 9
The 2027 Forest River Sierra Destination 41DUPLEX is a residential-style destination trailer designed for large families, extended stays, and buyers who want maximum privacy and living space.
View Inventory (4)411DBDLFamily Friendly
Length 42' 8"
2027 Forest River Sierra Destination 411DBDL is built for families and luxury travelers seeking a spacious destination trailer with premium features, bunkhouse layout, and resort-style comfort.
View Inventory (1)422FKLLuxury Travel
Length 42' 8"
2027 Forest River Sierra Destination 422FKL is built for families and luxury travelers seeking a spacious destination trailer with premium amenities, versatile living space, and year-round comfort.
View Inventory (2)385RDLuxury Travel
View Inventory (1)Compare All Floorplans
| Model | 389HBFL | 41DUPLEX | 411DBDL | 422FKL | 385RD |
|---|---|---|---|---|---|
| Length | 39' 11" | 40' 1" | 42' 8" | 42' 8" | — |
| Slides | 3 | 4 | 2 | 2 | 3 |
| Sleeps | 4 | 9 | — | — | — |
| Dry Weight | 11,774 lb. | 12,734 lb. | 12,714 lb. | 11,929 lb. | — |
| GVWR | 13,510 lb. | 14,000 lb. | 14,000 lb. | 14,000 lb. | — |
| Fresh Water | 50 gal. | 50 gal. | 70 gal. | 50 gal. | — |
| Best For | Luxury Travel | Family Friendly | Family Friendly | Luxury Travel | Luxury Travel |
Top Features
- Kitchen Island
- Fireplace
- Entertainment Center
- Pantry
- Theater Seating
- Free Standing Dinette
Dimensions & Capacities
| Specification | 389HBFL | 41DUPLEX | 411DBDL | 422FKL | 385RD |
|---|---|---|---|---|---|
| Length | 39' 11" | 40' 1" | 42' 8" | 42' 8" | — |
| Height | 13' 4" | 13' 4" | 13' 4" | 13' 4" | — |
| Width | 101" | 101" | 101" | 101" | — |
| Awning | 19' | 14' | — | 16' & 21' | 16' |
| Fresh Water | 50 gal. | 50 gal. | 70 gal. | 50 gal. | — |
| Gray Water | 104 gal. | 156 gal. | 156 gal. | 135 gal. | — |
| Black Water | 104 gal. | 104 gal. | 104 gal. | 54 gal. | — |
| Propane | — | — | 60 lb. | — | 60 lb. |
| Cargo Capacity | 1,736 lb. | 1,266 lb. | 1,286 lb. | 2,071 lb. | — |
| Refrigerator | — | — | 16 cu. Ft. 12v Refrigerator | — | 16 cu. Ft. 12v Refrigerator |
| Bathrooms | — | — | 2 | — | 1 |
Weights & Towing
| Weight | 389HBFL | 41DUPLEX | 411DBDL | 422FKL | 385RD |
|---|---|---|---|---|---|
| Dry Weight | 11,774 lb. | 12,734 lb. | 12,714 lb. | 11,929 lb. | — |
| GVWR | 13,510 lb. | 14,000 lb. | 14,000 lb. | 14,000 lb. | — |
| Hitch Weight | 1,510 lb. | 1,290 lb. | 1,685 lb. | 1,570 lb. | — |
Why Buy From Giant RV?
- Family Owned Over 40 Years
- 4 Locations to Serve You
- Huge Selection in Stock
- Factory Certified Service
- Financing Available
- Trade-Ins Welcome
Ready to Experience the Sierra Destination?
Shop our selection online or visit one of our 4 Southern California locations today!
People Also Ask
How many floorplans does the Forest River Sierra Destination come in?
Giant RV currently stocks 5 new Forest River Sierra Destination floorplans: 389HBFL, 41DUPLEX, 411DBDL, 422FKL and 385RD. Floorplan availability changes as units sell and arrive, so check live inventory or ask a Giant RV specialist about incoming models.
How long is the Forest River Sierra Destination?
Forest River Sierra Destination floorplans run from 39' 11" (389HBFL) to 42' 8" (411DBDL) overall.
How many people does the Forest River Sierra Destination sleep?
Forest River Sierra Destination floorplans sleep 4 – 9, with the 41DUPLEX sleeping the most at 9.
How much does the Forest River Sierra Destination weigh?
Forest River Sierra Destination dry weights run from 11,774 lb. (389HBFL) to 12,734 lb. (41DUPLEX), with a GVWR of up to 14,000 lb.. Make sure your tow vehicle is rated for the loaded weight, not just the dry weight.
How much water does the Forest River Sierra Destination hold?
Fresh water capacity runs 50 gal. – 70 gal., with the 411DBDL holding the most at 70 gal., plus 156 gal. gray and 104 gal. black.
Which Forest River Sierra Destination floorplan is best for families?
The 41DUPLEX, which sleeps 9, is the pick for families in the current Forest River Sierra Destination lineup. A Giant RV specialist can walk you through every floorplan in person.
Where can I buy a Forest River Sierra Destination in Southern California?
Giant RV has new Forest River Sierra Destination models in stock. Browse live inventory online to see which location has the floorplan you want, or visit us in Colton, Downey, Montclair or Murrieta — financing and trade-ins are available.
Product information, floorplans, features, options and specifications are based on manufacturer data for the units in Giant RV’s inventory and are as accurate as possible. Specifications vary by floorplan, model year and options; check with your Giant RV dealer for current information and specifics. Photographs may show optional equipment.
