rigsize

Grand Design Momentum 29G mattress size

Years 2021–2025Sold as Momentum G-Class Travel TrailerLength 33' 11"Sleeps 6
60 in 80 in
To scale. Dashed: a regular queen.
Main bed60 × 80 inQueen

That's the same size as a regular queen, so any standard queen mattress fits.

About the RV queen size →

Grand Design spec sheet, 2025.

Mattresses in 60 × 80 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Great all around
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,465Queen · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$524Queen · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,598Queen · list priceSee price
Cooling
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$1,999Queen · list priceSee price
Heavy duty
RVMattress.com Titan Plus Luxe

RVMattress.comTitan Plus Luxe

  • Hybrid
  • 13 in thick
  • Plush
$1,665Queen · list priceSee price
Helix pick
Helix Helix Midnight

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Queen · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Queen · list priceSee price
Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 60 × 80 inGet a quote
Bedroom in a Momentum

The Momentum bedroom. Measure the platform, not the old mattress, before you buy.

Bed sizes by year

YearMain bedBunksOther bedsSource
202160 × 80 in Queen––Grand Design spec sheet
202260 × 80 in Queen––Grand Design spec sheet
202360 × 80 in Queen––Grand Design spec sheet
202460 × 80 in Queen––Grand Design spec sheet
202560 × 80 in Queen––Grand Design spec sheet

Years not listed weren't published.

Is this your 29G?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2021Momentum G-Class Travel Trailer 29G33'11"–
2022Momentum G-Class Travel Trailer 29G33'11"–
2023Momentum G-Class Travel Trailer 29G33' 11"6
2024Momentum G-Class Travel Trailer 29G33' 11"6
2025Momentum G-Class Travel Trailer 29G33' 11"6

Other Momentum mattress sizes

Sources

  1. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20200815172249/https://www.granddesignrv.com/showroom/2021/toy-hauler/momentum-g-class-travel-trailer/floorplans/29g
  2. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20211202202126/https://www.granddesignrv.com/showroom/2022/toy-hauler/momentum-g-class-travel-trailer/floorplans/29g
  3. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20230605140217/https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/29g
  4. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240413044404/https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/29g
  5. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240720040655/https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/29g

Questions

What size mattress is in the Grand Design Momentum 29G?

The main bed is 60 × 80 in (Grand Design spec sheet, 2025).