This weekend’s collector car auction calendar is relatively quiet compared to the blockbuster sales coming later in August, but there’s still real action for buyers and enthusiasts to track. Here’s a rundown of what’s crossing the block on Saturday, August 1 and Sunday, August 2, 2026, plus a look at what’s coming next.
Sioux Falls Classic Car Auction — Sioux Falls, South Dakota
The headline event of the weekend is the Classic Car Auction Group’s Sioux Falls sale, a live auction with online bidding held Saturday, August 1 at 10 a.m. CST inside the Denny Sanford Premier Center. More than 100 lots are on offer, ranging from muscle-era Chevelles and Camaros to pre-war Fords, a 1938 Buick Business Coupe, and a handful of motorcycles and automobilia. Bidder registration and vehicle preview open Friday evening and again Saturday morning at 8 a.m., with a $10 general admission fee (kids 12 and under free). Buyers can bid live in the lane or online through the auction house’s site.
Bonenberger Estate Collection Auction — Waterloo, Wisconsin
Just outside Cambridge, Wisconsin, the third installment of the Rick Bonenberger estate sale wraps up its multi-day run with an onsite-only session on Saturday, August 1 at Waterloo Firemen’s Park. The sale mixes select vehicles with broader estate and collectible items, following online bidding sessions held earlier in the week.
Smaller Regional Sales
A handful of general estate and consignment auctions with a car or two mixed in are also happening Saturday, including a Kiko Auctioneers sale in East Canton, Ohio, featuring a one-owner 1971 Chevrolet Monte Carlo alongside shop equipment and household goods. These aren’t dedicated collector car sales, but they’re worth a glance for regional bargain hunters.
Weekly Online Sales Still Running
For online bidders, ongoing weekly consignment platforms such as Miedema Auctioneering and Sotheby’s Motorsport continue to list classic, exotic, and collector vehicles with lots closing throughout the week — a good option if a live event isn’t happening near you this particular weekend.
Looking Ahead
If this weekend feels light, the calendar heats up fast. MAG Auctions’ Hot August Nights sale takes over the Reno-Sparks Convention Center August 6-8 with 600-plus vehicles expected, and then Monterey Car Week arrives August 12-15 with the industry’s biggest sales — RM Sotheby’s, Mecum, Gooding & Company, Bonhams, and Broad Arrow Auctions all holding marquee sales in and around Monterey and Pebble Beach, California.
As always, confirm exact times, registration requirements, and lot lists directly with each auction house before making the trip — schedules can shift close to sale day.
