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Class A Prevost conversions

Marathon Coach Class A Prevost conversions for Sale

We don't sell this from a lot. RVBrokers is a buyer's agent, so we help you find, price, and negotiate this model wherever it is, and line up an inspection before you pay.

The world's largest and most experienced luxury bus converter — bespoke, seven-figure Class A motorcoaches hand-built on the Prevost H3-45 and X3-45 chassis in Coburg, Oregon.

Coburg, OregonSince 19833 Prevost conversions

Find your coach

Tell us the floor plan and budget you want and the model you're after. A real person hunts the right one and tells you what it should actually cost. New or used.

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The brand

Why buyers love Marathon Coach

Marathon Coach has been converting commercial Prevost bus shells into ultra-luxury motorcoaches in Coburg, Oregon since 1983, and it is the largest and most experienced bus converter in the world. These are not factory RVs. Marathon starts with a bare Prevost H3-45 or X3-45 chassis — the same Volvo-powered platform that hauls tour buses for a million-plus miles — and hand-builds a custom residence inside it, identifying every build by a sequential coach number. The result is a true one-off: Crestron-controlled lighting and climate, Valid slide-outs that disappear into the bodywork, residential appliances, and finishes chosen coach by coach. Marathon sells both new builds and a large, daily-updated inventory of pre-owned coaches, and it backs them with three sales-and-service locations in Oregon, Texas, and Florida. The honest truth: new coaches start around $3 million and the conversion alone runs over $1.7 million, so this is the rarefied top of the Class A world. Below is the real lineup — the platforms Marathon builds on and what to know about each — with honest notes on what owners praise and what to watch, so you can shop a Marathon for sale knowing exactly what you are paying for.

Here's the part the lot won't tell you: the best Marathon deals are usually two to four years old. Let the first owner eat the steep early depreciation, then buy a coach that's already been shaken down, with the bugs sorted and the records to prove it. That's exactly the kind of unit our RV buyer's agents hunt for, and we run an independent inspection on every one before you wire a dollar. Already own one and ready to move on? We'll list and sell it through our RV broker service for the retail number it's worth — not the wholesale gutting a dealer offers on trade.

What owners love

  • Reference-grade engineering on a commercial chassis. The Prevost shell and Volvo D13 drivetrain are built for a million-plus miles, and Marathon's conversion work is widely regarded as the best in the business.
  • Genuinely bespoke. Every Marathon is a numbered, one-off build configured to the owner's taste — Crestron automation, Valid flush slide-outs, and residential appliances you will not find in a production RV.
  • Strong resale and a real support network. Coaches from a reputable converter like Marathon hold value well, and the company runs full sales-and-service centers in Oregon, Texas, and Florida.

What to watch

  • The price of entry is enormous. New coaches start around $3 million and the conversion alone tops $1.7 million; even pre-owned, you are in luxury-yacht financial territory.
  • Operating costs match the price tag. A 45-foot, 55,000-pound diesel coach needs commercial-grade service, burns fuel at roughly 6–7 mpg, and demands a capable Prevost-experienced technician.
  • These are big, complex machines. At 45 feet with four slides and dense automation, a Marathon is not a starter RV — inspect any pre-owned coach's chassis, slides, and electronics hard before you buy.
From real owners

What Marathon Coach owners are saying

Marathon Coach is a low-volume, ultra-luxury custom builder, so it does not carry the kind of large owner-review sample you see on mass-market RV brands — there is no dedicated Marathon star score with hundreds of reviews. What exists is consistently positive and concentrated on the Prevost platform Marathon builds on: on RV Insider, owners of Prevost-converter coaches (Marathon among them) praise the quiet ride, the commercial-grade Volvo/Detroit drivetrains rated for a million-plus miles, and the long-term build quality, with the running theme that 'once you have a Prevost, you can't go back.' Industry reviewers echo it — a hands-on RV.com review of the Marathon H3-45 called it 'a motor coach that provides exceptional comfort and convenience.' Marathon also states it inspects, services, and warrants select pre-owned coaches with a limited six-month warranty before sale. Because the individual-model review counts are thin by design, we keep ratings at the platform level and say so honestly rather than inventing a score.

“The only bus I have ever had or driven that makes absolutely no noise.”
Kirk Moschetti, MARV Insider — Prevost conversions
“Engine, transmission, will easily last over one million miles.”
Paul Forster, AB (1998 Marathon H3-45)RV Insider — Prevost conversions
“Once you have a Prevost, you just can't go back.”
Kevin, MIRV Insider — Prevost conversions
“A motor coach that provides exceptional comfort and convenience.”
RV.com editorial reviewRV.com — Marathon H3-45

Owner feedback summarized from public review sites and forums, each linked above. RVBrokers is independent and not affiliated with, sponsored by, or endorsed by Marathon Coach.

Questions

Marathon Coach — buyer FAQs

How much does a Marathon Class A Prevost conversions cost?
It spans a wide range. Marathon Coach does not sell a price-list product — it builds bespoke, one-off luxury conversions on the Prevost bus chassis, and the numbers reflect it. The company states new coaches start around $3 million, with the build-out (conversion) alone running well over $1.7 million on top of the bare Prevost shell; fully optioned flagships push past that. Top-quality pre-owned Marathons begin around $200,000 for older H3-45 builds and climb into the seven figures for late-model coaches. There is no MSRP sticker here — every coach is configured to order, so budget like you are commissioning a custom yacht, not buying an RV off a lot. Each model page below lists a typical resale range, and we'll get you an exact number on any specific coach for sale.
Is Marathon Coach a good brand?
Reference-grade engineering on a commercial chassis. The Prevost shell and Volvo D13 drivetrain are built for a million-plus miles, and Marathon's conversion work is widely regarded as the best in the business.
Where are Marathon Coach coaches built?
In Coburg, Oregon, where the company has been since 1983. That matters because the factory service center is a big part of why owners stay loyal.
Should I get a used Marathon inspected before buying?
Always. A used coach can hide deferred maintenance on the roof, slides, and levelers. Our independent RV inspectors check it before any money moves, and a buyer's agent turns what they find into leverage on price.
Talk to a human

Find the right Marathon for you

Tell us the floor plan and budget. We'll find the best one for sale, inspect it, and negotiate it — all on your side of the table.