Numbers-Matching 1971 Oldsmobile 442 Convertible Chases Bids on Hagerty MarketplaceA well-preserved 1971 Oldsmobile 442 Convertible has hit the auction block on Hagerty Marketplace, drawing steady bidder interest as it heads toward a Thursday close. Finished in a rich Sable Brown over a white top and white vinyl cabin, the drop-top Olds pairs numbers-matching big-block power with the kind of comfort options that made the 442 as much a boulevard cruiser as a stoplight bruiser.According to the listing, the car's 455-cubic-inch Rocket V8 still wears its original engine stamping, matching the chassis' sequential production number, and it now breathes through a rebuilt TH400 three-speed automatic. The seller, a California dealer operating as Privatecollectionmotors out of Costa Mesa, says the drivetrain, rear axle, exterior, and interior were all gone through during a refurbishment completed before the shop acquired the car in 2025. Fresh Sable Brown paint sits under a power-operated white convertible top, while the cabin mixes bucket seats, a center console, and factory air conditioning with a Retro Autosound head unit as the sole deviation from stock.Chassis decoding places the car as a genuine 442 convertible assembled in Lansing, Michigan in the spring of 1971, and it rides on 14-inch Super Stock III wheels wrapped in BFGoodrich redline rubber. Power steering, power-assisted front discs, and dual exhaust round out the equipment list. The car carries a clean Washington state title, and bidding had climbed to $38,989 across nine bids as of this writing, with the sale set to close Thursday, August 13 at 2 p.m. ET.AdvertisementAdvertisementOldsmobile positioned the 442 as its performance halo for the intermediate lineup throughout the early 1970s, and 1971 turned out to be a pivotal year for the model. Tightening emissions rules and the looming shift to lower-compression, unleaded-fuel engines meant that after 1971 the 442 would no longer carry on as its own distinct series, folding back into an appearance and handling package on the Cutlass line the following year. That makes well-documented, numbers-matching convertibles like this one something of a bookend to the nameplate's first great run.Hagerty Valuation Tools offer some helpful context for where this car sits in the market. The price guide lists a #3-condition (Good) 1971 Oldsmobile 442 base convertible at roughly $50,700, up more than 6 percent over the past year, and Hagerty's sales data shows the model has traded anywhere from the low five figures to over $200,000 at auction over the last three years depending on options, condition, and documentation. That spread underscores how much a clean refurbishment, a numbers-matching engine, and a traceable ownership history can matter to bidders shopping this generation of 442.This 442 arrives alongside a steady stream of Hagerty Marketplace muscle cars gaining traction with Motorious readers, including a Rally Sport-flavored modified 1968 Chevrolet Camaro coupe and a supercharged 1955 Chevy Bel Air gasser. For a deeper look at what made this breed of Oldsmobile so collectible in the first place, our earlier feature on a 1969 Oldsmobile 442 Hurst/Olds is worth a revisit. Bidding on this Sable Brown convertible remains open on Hagerty Marketplace ahead of Thursday's close.⚡️ Read the full article on MotoriousSign up for the Motorious Newsletter. For the latest news, follow us on Facebook, Twitter, and Instagram.