Acura's Sebring-Winning Prototype Is For Sale, And Honda Will Rebuild It ForeverHonda will now sell you a Sebring winner — but the engine rebuild is the real productHonda Racing Corporation USA has opened the doors to its own collection. The HRC Heritage Racing Program, announced August 12 out of Torrance, sells historic Honda and Acura competition machinery, restores it, services it, and sends engineers to the track with you afterward. The first car goes on display at The Quail on August 14.That car is the #26 XM Satellite Radio Andretti Green Racing Acura ARX-01a — the machine Dario Franchitti, Bryan Herta and Tony Kanaan drove to an LMP2 win at the 2007 Sebring 12 Hours on its debut weekend. HRC is listing it as unrestored and original and inviting expressions of interest, which is auction-speak for "we'll know the number when someone says it out loud."Related ArticlesVinFast Rasad Maxi-Scooter Appears On India's Design RegisterNASCAR's Wheatley Vodka Clash Returns To Daytona For 2027, Ending A Six-Year Venue ExperimentAdvertisementAdvertisementWorth noting what HRC admits in its own copy: the ARX-01a started life on a Courage LC75 chassis, and the modifications were extensive enough that it was homologated as a separate car. So "first purpose-built Acura endurance racer" is true in the way a heavily reworked recipe is a new dish. The engine, though, is unambiguously Honda's own — the AL7R, a 3.4-litre naturally aspirated 90-degree V8 making around 480bhp with a 10,500rpm limiter, running MS100 unleaded through a six-speed sequential.Here's the detail that matters more than any of the trophies: the AL7R shared its architecture with Honda's IRL V8, but according to HRC, none of the parts interchange. Read that again if you're thinking about buying one. There is no parts-bin escape hatch. Every consumable in that engine exists because Honda still has the drawings and the will to make it. That single fact is why this program exists, and why it's more interesting than a marketing exercise.The service menu is the storySkip the press release and read the services page. HRC is offering full rebuilds on select sportscar engines, plus inspection work on essentially any historic HRC North American racing engine — CART, IRL, ALMS, WEC. The inspection protocol they list is a proper one: visual check, nut-and-bolt, borescope, water system pressure test, documentation verification, with dyno testing available on some engines and expanding.AdvertisementAdvertisementCrucially, HRC states plainly that its engines are designed and tested to mileage limits. This is the thing casual buyers of ex-factory prototypes consistently fail to price. A modern purpose-built racing engine is not a component you maintain; it is a component you consume. It runs a defined number of miles, then it goes back to the builder for a teardown, or it grenades. When the builder walks away — which is what normally happens when a manufacturer exits a category — that engine becomes a paperweight and the car becomes furniture. Plenty of gorgeous ex-works prototypes sit in collections precisely because nobody left alive will sign off on firing them.HRC is offering to be that signature. Salters framed it as the company being "custodian of the original IP and knowledge," and unglamorous as it sounds, custody of the IP is the entire asset. Homologation documents, original engineer notes, archive data, and — per HRC's consultancy description — access to the original team members. You cannot buy that from a specialist shop at any price.The compromise buyers should ask aboutHRC is explicit that restorations include modernized electronics and some updated materials in the name of safety. Commercial Manager John Whiteman's framing is that the cars should feel as original as possible while being user-friendly for new owners.AdvertisementAdvertisementFine. But understand the trade. A 2007-vintage LMP2 car with a rewritten ECU and a modern loom is easier to run, less likely to strand you, and arguably safer. It is also, to a strict originality purist, no longer entirely the artifact. If you're buying as an investment, get the restoration documented component by component, because the market's tolerance for "sympathetically updated" versus "as-raced" is not settled and will decide your exit price.The other question to ask before wiring money: where, exactly, do you run it? Eligibility is the binding constraint on a car like this, not condition. HRC has clearly thought about it — the consultancy service specifically mentions engaging with historical racing series and event technical leadership to support acceptance. That's a genuinely useful offering, and it tells you HRC understands the problem. It should also tell you to secure eligibility guidance in writing before purchase, not after.The compression of "historic"HRC has restored four Acura ARX-05 DPi cars now running in Historic Sportscar Racing competition. The ARX-05 raced from 2018 through 2022. A car that was a current-spec prototype four years ago is now historic-class machinery. That's not a criticism — it's a market signal. The gap between "recently retired race car" and "collectible" has collapsed, and manufacturers have noticed there's margin in the space between.Related ArticlesHow F1 Teams Make Money: A Deep Dive Into Formula 1's Business ModelPrada's Scrapped Rolls-Royce Corniche Program Lands It a $5 Million LawsuitAdvertisementAdvertisementAlso on the roster, per HRC's own collection page: a 2009 ARX-02a Patrón and a 2017 NSX GT3 listed as available, with a 2023 ARX-06, a 2016 Ligier JS P2 and a 2010 Dallara IR-05 in progress. IndyCar machinery is flagged as a future expansion.Insurance and the practical bitAgreed-value cover on a purpose-built prototype has always been a negotiation, because the underwriter's nightmare isn't the crash — it's the total loss with no replacement market. A factory program that can produce parts, rebuild the engine and verify authenticity materially changes that conversation. Bring the documentation package to your broker; it's worth real money in premium terms.And keep the perspective. HRC has published no prices. "Expressions of interest" on the XM car means the number is whatever the room supports. What Honda has actually guaranteed is not a bargain — it's that the thing will still run in ten years. For a car with a life-limited engine and no interchangeable parts, that's the more valuable promise.