September 26–28: The Newport Beach Concours d’Elegance weekend begins with a Tour d’Elegance, Private Collections Tour, and "Roaring Good Time" Gala at Signature Flight Services. These events lead up to the concours at the St. Regis Monarch Beach Resort in Dana Point, Calif., on Sunday. Earnings will benefit the Mary & Dick Allen Diabetes Center at Hoag Hospital and the Assessment and Treatment Services Center (ATSC) of Orange County. www.newportbeachconcours.com

October 3–5: The Barrington Concours d’Elegance at Arlington Park will feature 100 exclusive automobiles as well as a motorcycle class. The Barrington Area Conservation Trust and Hospice of Northeastern Illinois will host the occasion, with proceeds going to both charities. Tickets are $30 in advance and $35 at the door. www.barringtonconcours.org

October 10: RM Auctions will host the second annual Vintage Motor Cars of Hershey auction at Hershey Lodge in Pennsylvania. Presented in collaboration with the Antique Automobile Club of America (AACA), the sale coincides with the AACA Eastern Fall Division meet and will showcase around 100 vintage motor cars. www.rmauctions.com

October 10–11: Kruse International will host The Hershey Auction at Giant Center in Pennsylvania. Proceeds will benefit the AACA Museum. Admission is free. www.kruseinternational.com

October 11–12: Festivals of Speed begins Saturday night with the Jet Port Reception ($150 per couple or $90 for a single admission), which includes a display of vintage and modern aircraft as well as newer supercars. On Sunday, vehicles from the Motorsports Collection will be on view at the Ritz-Carlton Orlando, Grande Lakes. Tickets are $10. www.festivalsofspeed.com

October 12: The Ritz-Carlton Residences in North Hills, N.Y., presents the fifth annual Americana Manhasset Concours d’Elegance, featuring 200 rare cars. The event will honor Marek Reichman, the design director for Aston Martin, and will focus on "A Salute to Racing Heritage—the Journey from the Race Track to the Luxury Supercar." www.americanamanhasset.com

October 15–18: Taking place at the Mandalay Bay Hotel and Casino, the Barrett-Jackson Inaugural Las Vegas Event will offer about 600 collector cars at no reserve. It includes an automobilia auction, auto vendor displays, live music, fashion shows, and a gala to benefit the Lili Claire Foundation. www.barrett-jackson.com

October 29: Automobiles of London, hosted by RM Auctions in association with Sotheby’s, will be held at the Battersea Evolution space in London’s Battersea Park. Attendees must purchase an official auction catalogue for £50 ($98), which admits two guests. www.rmauctions.com

October 30–November 2: The Hilton Head Island Concours d’Elegance & Motoring Festival will pay tribute to both the centennial of the Great Savannah Races and the history of Brass Cars. Festivities will take place at Hutchinson Island, Ga., and Honey Horn on Hilton Island, S.C. All-access passes are $55. www.hhiconcours.com