rigsize

Grand Design Momentum 23G mattress size

Years 2021–2026Sold as Momentum G-Class Travel TrailerLength 28' 10"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 →

Dealer report, 2023. A reported size, not a guarantee: measure your platform first.

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.

The 23G floorplan

Grand Design Momentum 23G floorplan, 2026

Grand Design's 2026 23G floorplan.

Is this your 23G?

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

YearModelLengthSleeps
2021Momentum G-Class Travel Trailer 23G28'10"–
2024Momentum G-Class Travel Trailer 23G28' 10"6
2025Momentum G-Class Travel Trailer 23G28' 10"6
2026Momentum G-Class Travel Trailer 23G28' 10"6

Other Momentum mattress sizes

21G25G27G28G29G29GS31G32GAll Momentum floorplans

Sources

  1. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20210516153208/https://www.granddesignrv.com/showroom/2021/toy-hauler/momentum-g-class-travel-trailer/floorplans/23g
  2. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240622033359/https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/23g
  3. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20250328060740/https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/23g
  4. Grand Design (granddesignrv.com): https://www.granddesignrv.com/toy-haulers/momentum-g-class-travel-trailers/23g

Questions

What size mattress is in the Grand Design Momentum 23G?

The main bed is 60 × 80 in (Dealer report, 2023).