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View New Grand Design RVs for Sale in or near Harbeson, Delaware

43 listings match your search

Grand Design is a leader in high-quality fifth wheels and travel trailers, offering RVs that blend durability, luxury, and innovative floor plans. Whether you’re a full-time RVer or a weekend warrior, Grand Design’s lineup provides excellent comfort and convenience. Popular models like the Momentum, Reflection, and Solitude feature spacious interiors, residential-style amenities, and superior insulation for all-season travel. If you're looking for a Grand Design RV for sale, RVUSA.com is your go-to source, with a vast inventory and the best deals to match your lifestyle. Start your adventure today with RVUSA’s easy-to-use search tools and expert resources!
New 2025 Grand Design Momentum M-Class 344M available in Milford, Delaware
27

New 2025 Grand Design Momentum M-Class 344M

New Toy Hauler in Milford, Delaware 19963

For Sale by Delmarva RV Center

ADDITIONAL $2,500 MANUFACTURER REBATE FROM NOW UNTIL DECEMBER 31ST!! TAKE ADVANTAGE BEFORE IT'S GONE!! 2025 MOMENTUM BY GRAND DESIGN 344M POWER AWNING 3 SLIDES REAR GARAGE AREA DUCTED ROOF A/C DRY WEIGHT 15292LBS SLEEPS 7 FRONT BEDROOM WALKTHROUGH BATHROOM ...

  • Sale
  • In Stock
  • New Arrival

$105,995

    New 2026 Grand Design Transcend One 151BH available in Milford, Delaware
    16

    New 2026 Grand Design Transcend One 151BH

    New Travel Trailer in Milford, Delaware 19963

    For Sale by Delmarva RV Center

    2026 TRANSCEND BY GRAND DESIGN MODEL 151BH   POWER AWNING DRY WEIGHT 3492LBS ROOF A/C SLEEPS 6 BUNKS REAR BATHROOM   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AND EASY FINANCING!! CALL OR EMAIL NOW!! LETS DEA ...

    • Sale
    • In Stock
    • New Arrival

    $16,900

      New 2026 Grand Design Reflection 303RLS available in Milford, Delaware
      22

      New 2026 Grand Design Reflection 303RLS

      New Fifth Wheel in Milford, Delaware 19963

      For Sale by Delmarva RV Center

      2026 REFLECTION BY GRAND DESIGN MODEL 303RLS   POWER AWNING 3 SLIDES DUCTED ROOF A/C DRY WEIGHT 10,352LBS SLEEPS 4 FRONT BEDROOM  WALKTHROUGH BATHROOM FIREPLACE FLATSCREEN TV  PANTRY LARGE SIDE BY SIDE REFRIGERATOR   WE WANT YOUR BUSINE ...

      • In Stock
      • New Arrival

      $91,375

        New 2026 Grand Design Imagine AIM 16MLA available in Milford, Delaware
        18

        New 2026 Grand Design Imagine AIM 16MLA

        New Travel Trailer in Milford, Delaware 19963

        For Sale by Delmarva RV Center

        2026 IMAGINE AIM GRAND DESIGN 16MLA   POWER AWNING DRY WEIGHT 3788LBS SLEEPS 4 STORAGE AREA ROOF A/C FRONT BED REAR BATHROOM FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST A ...

        • Sale
        • In Stock
        • New Arrival

        $24,995

          New 2025 Grand Design Imagine 2500RL available in Milford, Delaware
          18

          New 2025 Grand Design Imagine 2500RL

          New Travel Trailer in Milford, Delaware 19963

          For Sale by Delmarva RV Center

          2025 IMAGINE BY GRAND DESIGN MODEL 2500RL   POWER AWNING DUCTED ROOF A/C DRY WEIGHT 6496LBS SLEEPS 4 FRONT BEDROOM W/QUEEN BED WALKTHROUGH BATHROOM U SHAPED DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV    WE WANT YOUR BUSINESS FOLKS!! WE T ...

          • Sale
          • In Stock
          • Special
          • Reduced
          • Wholesale

          $34,900

            New 2026 Grand Design Reflection 100 Series 27BH available in Milford, Delaware
            22

            New 2026 Grand Design Reflection 100 Series 27BH

            New Fifth Wheel in Milford, Delaware 19963

            For Sale by Delmarva RV Center

            2026 REFLECTION 100 SERIES BY GRAND DESIGN MODEL 27BH   POWER AWNING W/LED LIGHTS ONE SLIDE REAR LADDER STABILIZING JACKS DUCTED ROOF A/C DRY WEIGHT 8080 LBS 50 AMP POWER SUPPLY  SLEEPS 10 FRONT PRIMARY BEDROOM W/QUEEN BED  SIDE BATHROOM W/S ...

            • Coming Soon
            • On Order

            $65,616

              New 2026 Grand Design Transcend 305BHT available in Milford, Delaware
              21

              New 2026 Grand Design Transcend 305BHT

              New Travel Trailer in Milford, Delaware 19963

              For Sale by Delmarva RV Center

              2026 TRANSCEND BY GRAND DESIGN 305BHT   POWER AWNING ONE SLIDE OUTSIDE KITCHEN  DUCTED ROOF A/C SLEEPS 8 FRONT BEDROOM WALKTHROUGH BATHROOM BUNK  ROOM BATH AND A HALF DINETTE DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE T ...

              • Coming Soon
              • On Order

              Get Price

                New 2026 Grand Design Imagine XLS 25DBE available in Milford, Delaware
                19

                New 2026 Grand Design Imagine XLS 25DBE

                New Travel Trailer in Milford, Delaware 19963

                For Sale by Delmarva RV Center

                2026 IMAGINE XLS BY GRAND DESIGN 25DBE   POWER AWNING OUTSIDE KITCHEN ONE SLIDE DUCTED ROOF A/C SLEEPS 8 FRONT BEDROOM REAR BATHROOM DINETTE BUNKS  DOUBLE DOOR REFRIGERATOR PANTRY FLATSCREEN TV    WE WANT YOUR BUSINESS FOLKS!! WE TAKE A ...

                • In Stock
                • New Arrival

                $55,784

                  New 2026 Grand Design Imagine XLS 23LDE available in Milford, Delaware
                  19

                  New 2026 Grand Design Imagine XLS 23LDE

                  New Travel Trailer in Milford, Delaware 19963

                  For Sale by Delmarva RV Center

                  2026 IMAGINE XLS BY GRAND DESIGN 23LDE   POWER AWNING ONE SLIDE DRY WEIGHT 5764LBS SLEEPS 4 FRONT AND REAR ENTRY DOORS FRONT BEDROOM WALKTHROUGH BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES ...

                  • Sale
                  • Coming Soon
                  • On Order

                  $37,995

                    New 2026 Grand Design Imagine XLS 22MLE available in Milford, Delaware
                    18

                    New 2026 Grand Design Imagine XLS 22MLE

                    New Travel Trailer in Milford, Delaware 19963

                    For Sale by Delmarva RV Center

                    2026 IMAGINE XLS GRAND DESIGN 22MLE   POWER AWNING DRY WEIGHT 5396LBS SLEEPS 4 FRONT BED SIDE BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV      WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST A ...

                    • In Stock
                    • New Arrival

                    $49,470

                      New 2026 Grand Design Imagine AIM 15RBA available in Milford, Delaware
                      15

                      New 2026 Grand Design Imagine AIM 15RBA

                      New Travel Trailer in Milford, Delaware 19963

                      For Sale by Delmarva RV Center

                      2026 IMAGINE AIM BY GRAND DESIGN 15RBA   POWER AWNING DRY WEIGHT 3640LBS DUCTED ROOF A/C SLEEPS 4 MURPHY BED REAR BATHROOM DINETTE FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN P ...

                      • In Stock
                      • New Arrival

                      $32,199

                        New 2026 Grand Design Imagine AIM 16MLA available in Milford, Delaware
                        18

                        New 2026 Grand Design Imagine AIM 16MLA

                        New Travel Trailer in Milford, Delaware 19963

                        For Sale by Delmarva RV Center

                        2026 IMAGINE AIM GRAND DESIGN 16MLA   POWER AWNING DRY WEIGHT 3788LBS SLEEPS 4 STORAGE AREA ROOF A/C FRONT BED REAR BATHROOM FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST A ...

                        • Sale
                        • In Stock
                        • New Arrival

                        $24,995

                          New 2026 Grand Design Transcend Xplor 20MKX available in Milford, Delaware
                          16

                          New 2026 Grand Design Transcend Xplor 20MKX

                          New Travel Trailer in Milford, Delaware 19963

                          For Sale by Delmarva RV Center

                          2026 TRANSCEND BY GRAND DESIGN 20MKX   POWER AWNING ONE SLIDE DRY WEIGHT DRY WEIGHT 5314LBS SLEEPS 2 FRONT BED SIDE BATHROOM DOUBLE DOOR REFRIGERATOR FLATSCREEN TV    WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE ...

                          • In Stock
                          • New Arrival

                          $41,207

                            New 2026 Grand Design Transcend Xplor 24BHX available in Milford, Delaware
                            19

                            New 2026 Grand Design Transcend Xplor 24BHX

                            New Travel Trailer in Milford, Delaware 19963

                            For Sale by Delmarva RV Center

                            2026 Transcend by Grand Design Model 24BHX Travel Trailer Check out some of the features of this awesome family friendly travel trailer!! SLEEPS 10 PEOPLE BUNKHOUSE LAYOUT POWER AWNING W/ LED LIGHT STRIP POWER TONGUE JACK STABILIZER JACKS SPARE TIRE AND CA ...

                            • Coming Soon
                            • On Order

                            $31,717

                              New 2026 Grand Design Reflection 150 Series 298BH available in Milford, Delaware
                              24

                              New 2026 Grand Design Reflection 150 Series 298BH

                              New Fifth Wheel in Milford, Delaware 19963

                              For Sale by Delmarva RV Center

                              2026 REFLECTION BY GRAND DESIGN 298BH   POWER AWNING ONE SLIDE OUTSIDE KITCHEN DRY WEIGHT 9400LBS DUCTED ROOF A/C SLEEPS 9 FRONT BEDROOM SIDE BATHROOM REAR BUNK ROOM U SHAPED DINETTE FLATSCREEN TV  SIDE BY SIDE REFRIGERATOR   WE WANT YOUR BU ...

                              • In Stock
                              • New Arrival

                              $84,215

                                New 2026 Grand Design Imagine 2810BH available in Milford, Delaware
                                18

                                New 2026 Grand Design Imagine 2810BH

                                New Travel Trailer in Milford, Delaware 19963

                                For Sale by Delmarva RV Center

                                2026 IMAGINE BY GRAND DESIGN 2810BH   POWER AWNING DRY WEIGHT 7546LBS 2 SLIDES FRONT AND REAR ENTRY DOORS DUCTED ROOF A/C SLEEPS 5 FRONT BEDROOM REAR BATHROOM SIDE BUNK ROOM DOUBLE DOOR REFRIGERATOR FLATSCREEN TV    WE WANT YOUR BUSINESS FOL ...

                                • In Stock
                                • New Arrival

                                $66,048

                                  New 2026 Grand Design Transcend Xplor 23BHX available in Milford, Delaware
                                  17

                                  New 2026 Grand Design Transcend Xplor 23BHX

                                  New Travel Trailer in Milford, Delaware 19963

                                  For Sale by Delmarva RV Center

                                  2026 TRANSCEND BY GRAND DESIGH 23BHX   POWER AWNING ONE SLIDE DRY WEIGHT 5830LBS OUTSIDE REFRIGERATOR DUCTED ROOF A/C SLEEPS 6 FRONT BED CORNER BATHROOM BUNKS DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! ...

                                  • Coming Soon
                                  • On Order

                                  $43,251

                                    New 2026 Grand Design Momentum 17MAV available in Milford, Delaware
                                    14

                                    New 2026 Grand Design Momentum 17MAV

                                    New Toy Hauler in Milford, Delaware 19963

                                    For Sale by Delmarva RV Center

                                    2026  MOMENTUM BY GRAND DESIGN 17 MAV   POWER AWNING REAR GARAGE AREA 13'6 DUCTED ROOF A/C SLEEPS 3 DRY WEIGHT 5534 LBS SIDE BATHROOM DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST ...

                                    • Sale
                                    • Coming Soon
                                    • On Order

                                    $34,995

                                      New 2026 Grand Design Momentum MAV 27MAV available in Milford, Delaware
                                      18

                                      New 2026 Grand Design Momentum MAV 27MAV

                                      New Toy Hauler in Milford, Delaware 19963

                                      For Sale by Delmarva RV Center

                                      2026 MOMENTUM MAV BY GRAND DESIGN 27MAV   POWER AWNING DRY WEIGHT 6996LBS DUCTED ROOF A/C SLEEPS 6 POWER LIFT BED SIDE BATHROOM FRONT BEDROOM DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FA ...

                                      • In Stock
                                      • New Arrival

                                      $51,510

                                        New 2026 Grand Design Imagine 2700BS available in Milford, Delaware
                                        18

                                        New 2026 Grand Design Imagine 2700BS

                                        New Travel Trailer in Milford, Delaware 19963

                                        For Sale by Delmarva RV Center

                                        2026 IMAGINE BY GRAND DESIGN 2700BS   POWER AWNING 2 SLIDES DRY WEIGHT 7144LBS DUCTED ROOF A/C SLEEPS 2 FRONT BEDROOM WALKTHROUGH BATHROOM FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! ...

                                        • Sale
                                        • In Stock
                                        • New Arrival

                                        $44,995

                                          New 2026 Grand Design Transcend Xplor 24BHX available in Milford North, Delaware
                                          19

                                          New 2026 Grand Design Transcend Xplor 24BHX

                                          New Travel Trailer in Milford North, Delaware 19963

                                          For Sale by Delmarva RV Center (Milford North)

                                          2026 Transcend by Grand Design Model 24BHX Travel Trailer Check out some of the features of this awesome family friendly travel trailer!! SLEEPS 10 PEOPLE BUNKHOUSE LAYOUT POWER AWNING W/ LED LIGHT STRIP POWER TONGUE JACK STABILIZER JACKS SPARE TIRE AND CA ...

                                          • Coming Soon
                                          • On Order

                                          $37,564

                                            New 2025 Grand Design Solitude 310GK available in Milford, Delaware
                                            26

                                            New 2025 Grand Design Solitude 310GK

                                            New Fifth Wheel in Milford, Delaware 19963

                                            For Sale by Delmarva RV Center

                                            2025 SOLITUDE BY GRAND DESIGN MODEL 310GK ADDITIONAL $2,500 MANUFACTURER REBATE FROM NOW UNTIL DECEMBER 31ST!! TAKE ADVANTAGE BEFORE IT'S GONE!! 2 POWER AWNING'S 3 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM CENTER ISLAND  PANTRY LARGE ...

                                            • Sale
                                            • In Stock
                                            • New Arrival

                                            $85,995

                                              New 2026 Grand Design Reflection 337RLS available in Milford, Delaware
                                              24

                                              New 2026 Grand Design Reflection 337RLS

                                              New Fifth Wheel in Milford, Delaware 19963

                                              For Sale by Delmarva RV Center

                                              2026 REFRLECTION BY GRAND DESIGN MODEL 337RLS   POWER AWNING 3 SLIDES  DRY WEIGHT 11428LBS DUCTED ROOF A/C 50 AMP POWER SUPPLY SLEEPS 4 FRONT BEDROOM  SIDE BATHROOM CENTER ISLAND  PANTRY LARGE SIDE BY SIDE REFRIGERATOR FIREPLACE FLATSCR ...

                                              • In Stock
                                              • New Arrival

                                              $94,222

                                                New 2026 Grand Design Influence 3804DS available in Milford, Delaware
                                                37

                                                New 2026 Grand Design Influence 3804DS

                                                New Fifth Wheel in Milford, Delaware 19963

                                                For Sale by Delmarva RV Center

                                                2026 INFLUENCE BY GRAND DESIGN 3804DS   2 POWER AWNINGS 4 SLIDES DUCTED ROOF A/C SLEEPS 6 LARGE DOUBLE DOOR REFRIGERATOR REAR BEDROOM W/FLATSCREEN TV REAR BATHROOM FIREPLACE LIVING ROOM FLATSCREEN TV WALKTHROUGH BATHROOM BEDROOM W/FLATSCREEN TV  ...

                                                • Coming Soon
                                                • On Order

                                                $124,185

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