Core Viewpoint - The Aston Martin DBZ Centenary Collection, featuring the rare DB4 GT Zagato Continuation and DBS GT Zagato, will be auctioned at the Broad Arrow Monterey Jet Center Auction on August 13-14, 2025, celebrating over 60 years of collaboration between Aston Martin and Zagato [1][10]. Group 1: Auction Details - The auction will showcase the Aston Martin DBZ Centenary Collection, which includes only 19 pairs of the DB4 GT Zagato Continuation and DBS GT Zagato, originally sold together in 2019 for £6.1 million ($8.1 million) [3][12]. - Broad Arrow Auctions has established itself as a key player during Monterey Car Week, with the upcoming auction expected to feature over 170 collector cars and a total sales target of $3.5 million to $4.5 million for the DBZ Centenary Collection [4][12]. Group 2: Historical Significance - The partnership between Aston Martin and Zagato has produced some of the most iconic cars in automotive history, with the DBZ Centenary Collection celebrating 100 years of Carrozzeria Zagato [2]. - The DB4 GT Zagato Continuation is a recreation of the original 1960s model, designed to compete with Ferrari, while the DBS GT Zagato showcases modern engineering and design [4][8]. Group 3: Technical Specifications - The DB4 GT Zagato Continuation features a 4.7-liter engine producing 390hp, an increase of 76hp from the original model, and includes modern enhancements such as carbon fiber seats and a non-synchronized four-speed gearbox [7]. - The DBS GT Zagato is powered by a 5.2-liter twin-turbo V12 engine, delivering 760hp and 900Nm of torque, paired with an eight-speed ZF automatic gearbox [9]. Group 4: Design Features - The DB4 GT Zagato Continuation is noted for its craftsmanship, taking 4,500 hours to build, and features period-correct gauges and luxurious interior materials [5][6]. - The DBS GT Zagato incorporates signature Zagato design elements, including a 'double-bubble' roof and advanced aerodynamics, making it a highly desirable model [8][11].