54 floorplans · 2014–2027
Grand Design Momentum mattress sizes
Pick your floorplan and year for the mattress size that fits.
The floorplan code is on the decal by your door or in your owner's paperwork.
Sold 2023 and later
17MAV60 × 80 in2026–2027 · Momentum MAV
21G60 × 80 in2021–2027 · Momentum G-Class Travel Trailer
22MAV60 × 80 in + 60 × 80 in bunks2024–2027 · Momentum MAV
23G60 × 80 in2021–2026 · Momentum G-Class Travel Trailer
24MAV60 × 80 in2024–2027 · Momentum MAV
25G60 × 80 in2020–2027 · Momentum G-Class Travel Trailer
27G60 × 80 in2024–2027 · Momentum G-Class Travel Trailer
27MAV60 × 80 in + 60 × 80 in bunks2023–2027 · Momentum MAV
28G60 × 80 in2021–2026 · Momentum G-Class Travel Trailer
28MAV60 × 80 in2026–2027 · Momentum MAV29G29G60 × 80 in2021–2025 · Momentum G-Class Travel Trailer
29GS60 × 80 in2025–2027 · Momentum G-Class Travel Trailer
30MAV60 × 80 in2027 · Momentum MAV
31G60 × 80 in2021–2027 · Momentum G-Class Travel Trailer32G32G60 × 80 in2024 · Momentum G-Class Travel Trailer315G315G60 × 80 in + 60 × 80 in bunks2024 · Momentum G-Class Fifth Wheel
320G60 × 80 in2020–2027 · Momentum G-Class Fifth Wheel
325G60 × 80 in2024–2027 · Momentum G-Class Fifth Wheel336M336M60 × 80 in2024 · Momentum M-Class
344M60 × 80 in2024–2027 · Momentum M-Class349M349M60 × 80 in2017–2024 · Momentum, Momentum M-Class
350G60 × 80 in2020–2027 · Momentum G-Class Fifth Wheel
351MS60 × 80 in2022–2027 · Momentum, Momentum M-Class355G355G60 × 80 in2024 · Momentum G-Class Fifth Wheel
363G60 × 80 in2027 · Momentum G-Class Fifth Wheel376THS376THS60 × 80 in2021–2024 · Momentum, Momentum M-Class
381MS60 × 80 in2022–2027 · Momentum, Momentum M-Class
392M60 × 80 in2025–2027 · Momentum M-Class
394G60 × 80 in2026–2027 · Momentum G-Class Fifth Wheel
395MS60 × 80 in2021–2026 · Momentum, Momentum M-Class
395MT60 × 80 in2026–2027 · Momentum M-Class
396DB60 × 80 in2026–2027 · Momentum M-Class
397THS60 × 80 in2022–2026 · Momentum, Momentum M-Class398M398M60 × 80 in2016–2025 · Momentum, Momentum M-Class
399M60 × 80 in2026–2027 · Momentum M-Class
399TH60 × 80 in2016–2025 · Momentum, Momentum M-Class
410TH60 × 80 in2023–2026 · Momentum M-Class
414M60 × 80 in + 30 × 80 in bunks2024–2026 · Momentum M-Class
415G60 × 80 in2024–2026 · Momentum G-Class Fifth WheelOlder floorplans
327M327M60 × 80 in2016–2017 · Momentum
328G60 × 80 in2021 · Momentum G-Class Fifth Wheel328M328M60 × 80 in2015–2019 · Momentum348M348M60 × 80 in2015–2017 · Momentum
350M60 × 80 in2015–2018 · Momentum351M351M60 × 80 in2020–2021 · Momentum
354M60 × 80 in2019 · Momentum355TH355TH60 × 80 in2014 · Momentum376TH376TH60 × 80 in2016–2020 · Momentum381M381M60 × 80 in2020–2021 · Momentum388M388M60 × 80 in2015–2018 · Momentum
393G60 × 80 in2021 · Momentum G-Class Fifth Wheel
394M60 × 80 in2017–2019 · Momentum
395M60 × 80 in2017–2021 · Momentum
397TH60 × 80 in2016–2021 · Momentum
328G60 × 80 in2021 · Momentum G-Class Fifth Wheel328M328M60 × 80 in2015–2019 · Momentum348M348M60 × 80 in2015–2017 · Momentum350M60 × 80 in2015–2018 · Momentum351M351M60 × 80 in2020–2021 · Momentum354M60 × 80 in2019 · Momentum355TH355TH60 × 80 in2014 · Momentum376TH376TH60 × 80 in2016–2020 · Momentum381M381M60 × 80 in2020–2021 · Momentum388M388M60 × 80 in2015–2018 · Momentum393G60 × 80 in2021 · Momentum G-Class Fifth Wheel394M60 × 80 in2017–2019 · Momentum395M60 × 80 in2017–2021 · Momentum397TH60 × 80 in2016–2021 · MomentumMomentum mattress sizes by floorplan
| Floorplan | Year | Main bed | Bunks | Source |
|---|---|---|---|---|
| 17MAV | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 21G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 22MAV | 2027 | 60 × 80 in | 60 × 80 in | Grand Design spec sheet |
| 23G | 2023 | 60 × 80 in | – | Dealer report |
| 24MAV | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 25G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 27G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 27MAV | 2027 | 60 × 80 in | 60 × 80 in | Grand Design spec sheet |
| 28G | 2026 | 60 × 80 in | – | Grand Design spec sheet |
| 28MAV | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 29G | 2025 | 60 × 80 in | – | Grand Design spec sheet |
| 29GS | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 30MAV | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 31G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 32G | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 315G | 2024 | 60 × 80 in | 60 × 80 in | Grand Design spec sheet |
| 320G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 325G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 336M | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 344M | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 349M | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 350G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 351MS | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 355G | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 363G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 376THS | 2024 | 60 × 80 in | – | Grand Design spec sheet |
| 381MS | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 392M | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 394G | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 395MS | 2026 | 60 × 80 in | – | Grand Design spec sheet |
| 395MT | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 396DB | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 397THS | 2026 | 60 × 80 in | – | Grand Design spec sheet |
| 398M | 2025 | 60 × 80 in | – | Grand Design spec sheet |
| 399M | 2027 | 60 × 80 in | – | Grand Design spec sheet |
| 399TH | 2025 | 60 × 80 in | – | Grand Design spec sheet |
| 410TH | 2026 | 60 × 80 in | – | Grand Design spec sheet |
| 414M | 2026 | 60 × 80 in | 30 × 80 in | Grand Design spec sheet |
| 415G | 2026 | 60 × 80 in | – | Grand Design spec sheet |
| 327M | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 328G | 2021 | 60 × 80 in | – | Grand Design spec sheet |
| 328M | 2019 | 60 × 80 in | – | Grand Design spec sheet |
| 348M | 2017 | 60 × 80 in | – | Grand Design spec sheet |
| 350M | 2018 | 60 × 80 in | – | Grand Design spec sheet |
| 351M | 2021 | 60 × 80 in | – | Grand Design spec sheet |
| 354M | 2019 | 60 × 80 in | – | Grand Design spec sheet |
| 355TH | 2014 | 60 × 80 in | – | Grand Design spec sheet |
| 376TH | 2020 | 60 × 80 in | – | Grand Design spec sheet |
| 381M | 2021 | 60 × 80 in | – | Grand Design spec sheet |
| 388M | 2018 | 60 × 80 in | – | Grand Design spec sheet |
| 393G | 2021 | 60 × 80 in | – | Grand Design spec sheet |
| 394M | 2019 | 60 × 80 in | – | Grand Design spec sheet |
| 395M | 2021 | 60 × 80 in | – | Grand Design spec sheet |
| 397TH | 2022 | 60 × 80 in | – | Dealer report |
The newest year with a published size is shown. Each floorplan page lists every year.