rigsize

Thor Chateau 28Z mattress size

Years 2020–2027Sold as ChateauLength 30'Sleeps 5
60 in 75 in
To scale. Dashed: a regular queen.
Main bed60 × 75 inRV short queen

That's an RV short queen, 5 in shorter than a regular queen. A regular queen would hang off the end, so get an RV short queen.

About the RV short queen size →

Thor spec sheet, 2026.

Bunks52 × 96 in Bunk. Thor spec sheet, 2026. Common RV bunk sizes →

Mattresses in 60 × 75 in

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

Top pick
Brooklyn Bedding Titan Plus Core

Brooklyn BeddingTitan Plus Core

  • Hybrid
  • 12 in thick
  • Firm
$1,399Short Queen - 60x75 · list priceSee price
Best value
Mattress Insider The Sedona

Mattress InsiderThe Sedona

  • All-foam
  • 5.5 in thick
  • Firm
$33160" x 75" · list priceSee price
Reviewers' favorite
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

$66960" x 75" · list priceSee price
Best memory foam
Mattress Insider Elation Gel Foam

Mattress InsiderElation Gel Foam

  • Memory foam
  • 6 in thick
  • cushion firm
$45960" x 75" · list priceSee price
Best hybrid
Brooklyn Bedding Titan Plus Luxe

Brooklyn BeddingTitan Plus Luxe

  • Hybrid
  • 13 in thick
  • Plush
$1,665Short Queen - 60x75 · 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 × 75 inGet a quote

Bunk mattresses in 52 × 96 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 × 96 inGet a quote

Bed sizes by year

YearMain bedBunksOther bedsSource
202060 × 74 in Queen54 × 96 in–Thor spec sheet
202160 × 74 in Queen54 × 96 in–Thor spec sheet
202260 × 74 in Queen54 × 96 in–Thor spec sheet
202660 × 75 in Queen52 × 96 in–Thor spec sheet

Years not listed weren't published.

The 28Z floorplan

Thor Chateau 28Z floorplan, 2027

Thor's 2027 28Z floorplan.

Is this your 28Z?

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

YearModelLengthSleeps
2020Chateau 28Z29'-11"–
2021Chateau 28Z30'–
2022Chateau 28Z30'–
2023Chateau 28Z30'–
2024Chateau 28Z30'–
2025Chateau 28Z30'–
2026Chateau 28Z30'–
2027Chateau 28Z30'5

Other Chateau mattress sizes

Sources

  1. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/3ce1553f1850e906/original/9339eb5d-51b8-4c04-966e-e28014e2da88_2020-chateau-digital-brochure-oh-spreads-pdf.pdf
  2. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/72987c5e4786dd4a/original/a26fc2ce-804e-4232-8ea3-eae6cf6f561f_2021-oh-chateau-web-pdf.pdf
  3. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/4dbc3bb5b39ef1ad/original/d3f31fa9-1736-4dea-b9d4-406211961ba9_2022-my-chateau-pdf.pdf
  4. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/7e28d21480a0c493/original/b8de950b-8fea-46d9-9c5b-084af6e8bfc1_2023-OH-Chateau-pdf.pdf
  5. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/67ab05b648079dfa/original/1e966a78-a3c9-4d70-8c60-ed79d36d169a_2024-OH-Chateau-pdf.pdf
  6. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/62ff783963f0d0a/original/Z64ACZbqstJ9-lID_2025-TS-Chateau-021225-pdf.pdf
  7. Thor (media-center.thormotorcoach.com): https://media-center.thormotorcoach.com/m/5fe233a092843e7e/original/aM1v_p5xUNkB06YG_2026-OH-Chateau-pdf.pdf
  8. Thor (thormotorcoach.com): https://www.thormotorcoach.com/chateau/floor-plans/28z

Questions

What size mattress is in the Thor Chateau 28Z?

The main bed is 60 × 75 in (Thor spec sheet, 2026).

Will a regular queen mattress fit the Thor Chateau 28Z?

No. The platform is 60 × 75 in, an RV short queen. A home queen is 60 × 80 in and hangs off the end.

What size are the Thor Chateau 28Z bunk mattresses?

52 × 96 in (Thor spec sheet, 2026).