More from Robb ReportThis 2019 Koenigsegg Regera Hypercar Could Fetch $4 Million at AuctionCash Buyers Are Losing Their Grip on the Housing Market, a New Report SaysThis Gold-Drenched 1953 Cadillac One-Off Is Available for the First Time in 73 YearsBest of Robb ReportThe 2024 Chevy C8 Corvette: Everything We Know About the Powerful Mid-Engine BeastThe World's Best Superyacht ShipyardsThe ABCs of Chartering a YachtAdvertisementAdvertisementSign up for RobbReports's Newsletter. For the latest news, follow us on Facebook, Twitter, and Instagram.Click here to read the full article.This 2019 Koenigsegg Regera will be available through Mecum Auctions at the Nashville Superspeedway on September 26.The Regera features a lightweight carbon-fiber monocoque chassis and body, and is distinguished by those striking dihedral synchro-helix doors.The interior features Desiato Black leather—with quilted trim in burgundy—complemented by carbon-fiber accents.AdvertisementAdvertisementDavid Purvis of Mecum Auctions notes that this example is "the only one built in this color combination." He also goes on to opine that "with those million dollars' worth of options, it has to be one of the best, if not the best-equipped, Regeras to come out of Koenigsegg's Ängelholm factory in Sweden."The Regera catapults from zero to 62 mph in 2.8 seconds, and has a top speed of 251 mph.The selection of Tresex AirCore carbon-fiber wheels added another $57,000 to the car's original price.All of the options chosen for this car totaled more than $1 million in additional expense.AdvertisementAdvertisementWith all the extras, this Regera was priced at $3.241 million when new.We have high hopes for the Regera, which is why we predict it will sell in the $3.5 million to $4 million range," says David Purvis, Mecum Auctions' director of consignment. "Its rarity deserves it."