rigsize

Grand Design Influence 3804DS mattress size

Years 2025–2027Sold as InfluenceLength 42' 6"Sleeps 7
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 Influence

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202560 × 80 in Queen (king optional)––Grand Design spec sheet
202660 × 80 in Queen–Loft 60 × 80 inGrand 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 3804DS floorplan

Grand Design Influence 3804DS floorplan, 2027

Grand Design's 2027 3804DS floorplan.

Is this your 3804DS?

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

YearModelLengthSleeps
2025Influence 3804DS42' 6"6
2026Influence 3804DS42' 6"7
2027Influence 3804DS42' 6"7

Other Influence mattress sizes

Sources

  1. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20250514090204/https://www.granddesignrv.com/fifth-wheels/influence/3804ds
  2. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20260416022819/https://www.granddesignrv.com/fifth-wheels/influence/3804ds
  3. Grand Design (granddesignrv.com): https://www.granddesignrv.com/fifth-wheels/influence/3804ds

Questions

What size mattress is in the Grand Design Influence 3804DS?

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