View New & Used Forest River Sierra RVs for Sale in or near Fallbrook, California

New Fifth Wheel in Colton, California 92324

2025 FOREST RIVER SIERRA 4002FB Get ready for spacious family retreats with the 2025 Forest River Sierra 4002FB Fifth Wheel at Giant RV in California, a 435 luxury RV sleeping up to 6, featuring two queen bedrooms, a loft for extra space, a kitchen island ...

New Fifth Wheel in Murrieta, California 92562

2025 Forest River Sierra 3800RK Get ready for gourmet road trips with the 2025 Forest River Sierra 3800RK Fifth Wheel at Giant RV in California, a 441 luxury RV sleeping up to 4, featuring a rear kitchen with a 16.8 cu. ft. 12V fridge, a front bedroom with ...

New Fifth Wheel in Colton, California 92324

2026 Forest River Sierra 4002FB Get ready for spacious family retreats with the 2026 Forest River Sierra 4002FB Fifth Wheel at Giant RV in California, a 435 luxury RV sleeping up to 6, featuring two queen bedrooms, a loft for extra space, a kitchen island ...

New Fifth Wheel in Murrieta, California 92562

2026 Forest River Sierra 4002FB Get ready for spacious family retreats with the 2026 Forest River Sierra 4002FB Fifth Wheel at Giant RV in California, a 435 luxury RV sleeping up to 6, featuring two queen bedrooms, a loft for extra space, a kitchen island ...

New Fifth Wheel in Murrieta, California 92562

2026 Forest River Sierra 4002FB Get ready for spacious family retreats with the 2026 Forest River Sierra 4002FB Fifth Wheel at Giant RV in California, a 435 luxury RV sleeping up to 6, featuring two queen bedrooms, a loft for extra space, a kitchen island ...

New Fifth Wheel in Colton, California 92324

2026 Forest River Sierra 3800RK Get ready for gourmet living with the 2026 Forest River Sierra 3800RK Fifth Wheel at Giant RV in California, a 441 luxury RV sleeping up to 4, featuring a rear kitchen with a 16.8 cu. ft. fridge, a front queen bedroom, a sli ...

New Fifth Wheel in Montclair, California 91763

2026 Forest River Sierra 3710HBFB Elevate your family getaways with the 2026 Forest River Sierra 3710HBFB, a luxurious fifth wheel crafted for comfort and convenience. This new RV features a spacious half-bath bunkhouse and front bedroom layout, modern ame ...

New Fifth Wheel in Montclair, California 91763

2026 Forest River Sierra 3800RK Get ready for gourmet living with the 2026 Forest River Sierra 3800RK Fifth Wheel at Giant RV in California, a 441 luxury RV sleeping up to 4, featuring a rear kitchen with a 16.8 cu. ft. fridge, a front queen bedroom, a sli ...

New Fifth Wheel in Colton, California 92324

2026 FOREST RIVER SIERRA 3900HBLR Get ready for a family getaway with the 2025 Forest River Sierra 3900HBLR fifth wheel at Giant RV in California! Ideal for full-time RVing, this RV features three slide-outs for spacious living, a rear entertainment center ...

New Fifth Wheel in Colton, California 92324

2026 Forest River Sierra 3710HBFB Elevate your family getaways with the 2026 Forest River Sierra 3710HBFB, a luxurious fifth wheel crafted for comfort and convenience. This new RV features a spacious half-bath bunkhouse and front bedroom layout, modern ame ...