rigsize

Grand Design Solitude 310GK mattress size

Years 2017–2027Sold as SolitudeLength 34' 4"Sleeps 4
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, 2027.

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 Solitude

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

Bed sizes by year

YearMain bedBunksOther bedsSource
201760 × 80 in Queen––Grand Design spec sheet
202060 × 80 in Queen––Dealer report
202060 × 80 in Queen––Grand Design spec sheet
202260 × 80 in Queen––Dealer report
202360 × 80 in Queen––Dealer report
202460 × 80 in Queen (king optional)––Grand Design spec sheet
202660 × 80 in Queen––Grand Design 2026 model-year brochure
202660 × 80 in Queen (king optional)––Grand Design spec sheet
202760 × 80 in Queen––Grand Design spec page
202760 × 80 in Queen (king optional)––Grand Design spec sheet

Years not listed weren't published.

The 310GK floorplan

Grand Design Solitude 310GK floorplan, 2027

Grand Design's 2027 310GK floorplan.

Is this your 310GK?

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

YearModelLengthSleeps
2017Solitude 310GK34' 11"–
2020Solitude 310GK34' 11"–
2024Solitude 310GK34' 11"4
2026Solitude 310GK34' 4"4
2027Solitude 310GK34' 4"4

Other Solitude mattress sizes

Sources

  1. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20200922111115/https://www.granddesignrv.com/showroom/2020/fifth-wheel/solitude/floorplans/310gk
  2. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240520113608/https://www.granddesignrv.com/fifth-wheels/solitude/310gk
  3. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20260618103843/https://www.granddesignrv.com/fifth-wheels/solitude/310gk
  4. Grand Design (granddesignrv.com): https://www.granddesignrv.com/fifth-wheels/solitude/310gk
  5. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20170131200602/https://www.granddesignrv.com/showroom/2017/fifth-wheel/solitude/specs

Questions

What size mattress is in the Grand Design Solitude 310GK?

The main bed is 60 × 80 in (Grand Design spec sheet, 2027).