rigsize

Thor Quantum LX19 mattress size

Years 2026–2027Sold as QuantumLength 21'-3"Sleeps 3
Bunks52 × 91 in Bunk. Thor spec sheet, 2026. Common RV bunk sizes →

Bunk mattresses in 52 × 91 in

Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.

Custom size
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 52 × 91 inGet a quote

The LX19 floorplan

Thor Quantum LX19 floorplan, 2027

Thor's 2027 LX19 floorplan.

Is this your LX19?

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

YearModelLengthSleeps
2026Quantum LX19––
2027Quantum LX1921'-3"3

Other Quantum mattress sizes

Sources

  1. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/79058c180a7dd728/original/aM1xcJ5xUNkB06Ym_2026-OH-Quantum-pdf.pdf
  2. Thor (thormotorcoach.com): https://www.thormotorcoach.com/quantum/floor-plans/lx19

Questions

What size are the Thor Quantum LX19 bunk mattresses?

52 × 91 in (Thor spec sheet, 2026).