By Charles Bradley – October 27, 2026
217-MPH Valhalla Spider: Aston Martin’s Fastest Open-Cockpit Supercar Ever
Aston Martin is taking its mid-engined supercar ambitions into the open air with the new Valhalla Spider, a 1,079-PS plug-in hybrid that combines Formula 1-inspired engineering, sculpted British design and the freedom of roof-off driving. Described by the marque as its fastest open-cockpit production car ever, the Valhalla Spider preserves the performance credentials of the Valhalla Coupe while introducing a new dimension of driver engagement. The convertible’s arrival follows the introduction of the Valhalla Coupe earlier this year, marking another milestone in Aston Martin’s evolution into the mid-engined supercar segment. With a top speed of 217 mph, achievable with or without the roof, the Spider is engineered to deliver its full performance potential regardless of configuration. Deliveries are scheduled to begin in the third quarter of 2027. Developed in close collaboration with Aston Martin Performance Technologies (AMPT), the consulting arm of the Aston Martin Aramco Formula 1 team, the Valhalla Spider benefits from expertise in aerodynamics, vehicle dynamics and advanced materials. The result is an open-cockpit supercar designed to retain the Coupe’s balance of road-going refinement and track-focused capability. As Aston Martin CEO Adrian Hallmark explained: “Valhalla Spider builds on those impressive ‘firsts’, preserving the aesthetic beauty and dynamic bandwidth of Valhalla Coupe while introducing the expanded opportunities for enjoyment and engagement that can only be found in an open-cockpit supercar. High speed or low speed. Rain or shine. Roof on or roof off. Road or track. Valhalla Spider ticks every box.” Open-Air Performance The Valhalla Spider’s roof system has been engineered to preserve the Coupe’s clean, flowing proportions while accommodating different driving conditions. A removable, stowable black fabric roof is standard in the general specification, providing weather protection when required. With the fabric roof in place, the Spider can reach speeds of up to 124 mph. An optional carbon fiber hard top provides an alternative configuration, allowing unrestricted roof-on access to the car’s electronically limited 217-mph top speed. In the United States, the carbon fiber hard top comes standard. A rain cover is also supplied for when the vehicle is parked. Crucially, removing the roof does not limit the Spider’s maximum speed. Its ability to reach 217 mph in open-cockpit configuration makes it the fastest open-cockpit Aston Martin production car to date. To manage airflow and occupant comfort, Aston Martin has developed a dedicated wind deflector that clips into position when the roof panel is removed. The device guides airflow from the windscreen header, drawing cooling air toward the roof-mounted snorkel while lifting air over the occupants. The snorkel itself has been redesigned for the Spider, sitting 35 millimeters taller than the Coupe’s version. When the roof is fitted, the wind deflector folds into three sections and can be stored in new 15-liter sill compartments. Revised active aerodynamics and Electronic Stability Program calibrations account for both roof-on and roof-off conditions, helping preserve stability, balance and driver confidence. A Hybrid Powertrain With 1,079 PS At the heart of the Valhalla Spider is the same plug-in hybrid powertrain found in the Coupe, combining a bespoke 4.0-liter twin-turbocharged V8 with three electric motors and a high-performance battery. The flat-plane-crank V8 produces 828 PS, with Aston Martin citing a specific output of 207 bhp per liter – the highest of any combustion engine in the marque’s history. The three electric motors contribute a further 251 PS, bringing total system output to 1,079 PS and torque to 1,100 Nm. Two electric motors power the front axle, incorporating Electric Torque Vectoring to enhance agility and stability. A third motor is integrated alongside the eight-speed dual-clutch transmission, assisting the V8 in driving the rear axle and electronic differential. There is no mechanical connection between the front and rear axles. Instead, Aston Martin’s Integrated Vehicle Dynamics Control system continually manages drive to each individual wheel, coordinating the powertrain with the suspension, braking, steering and active aerodynamics. Working with four driver-selectable drive modes, the system monitors vehicle behavior and driver inputs to shape the car’s dynamic character. Aston Martin says precise calibration allows this complex technology to deliver a natural, connected driving experience. The result is a powertrain designed to combine the immediate response of electric motors with the character and sustained performance of a high-output combustion engine – an approach that places electrification in service of the driving experience. Aerodynamics Inspired by F1 The Valhalla Spider retains the Coupe’s extensive active aerodynamic hardware, with specific revisions to account for the open cockpit. Movable aerodynamic surfaces work alongside carefully managed underbody airflow to adjust front and rear downforce according to driving conditions and the selected mode. The system can prioritize grip, handling balance and consistency of response or reduce drag when aerodynamic efficiency is the objective. Control over downforce distribution between the front and rear axles is particularly important for stability at high speeds. With the roof fitted, the Valhalla Spider can generate more than 600 kilograms of downforce. Aston Martin has tailored the active aerodynamic systems and electronic stability calibrations to maintain consistent performance and dynamic behavior with the roof either on or off. The engineering draws on the expertise of AMPT, extending specialist Formula 1 knowledge into the development of a road-going supercar. This collaboration also informs the Valhalla Spider’s carbon fiber structure, which is based on the bespoke tub developed for the Coupe. Carbon Fiber Construction and Bespoke Detail The Valhalla Spider’s carbon fiber tub is designed to deliver a combination of low weight, stiffness, strength and occupant protection without compromising passenger ergonomics. Its upper and lower sections are molded using a combination of resin-transfer molding and Formula 1-derived autoclave technology, employing proprietary processes developed for Aston Martin. The open-cockpit model also retains one of the Coupe’s most distinctive design features: its carbon fiber dihedral doors. Refined kinematics are intended to provide smoother operation, while a frameless design and a subtly revised upper curvature of the door glass improve entry and exit when the roof is fitted. Inside, a new carbon fiber Touring Seat comes standard, enhancing occupant comfort and ease of access. Buyers who prefer the greater support of the original Valhalla Coupe carbon fiber seat can retain that design at no additional cost. These details underscore the Spider’s dual mission: to introduce the sensory appeal of open-air driving without compromising the engineering and performance foundations of the original car. The Next Chapter of Valhalla For Aston Martin, the Valhalla Spider represents more than a convertible variation of its mid-engined hybrid supercar. It builds on a series of firsts for the marque, including its first production mid-engined supercar, first plug-in hybrid and first application of its bespoke flat-plane-crank V-8 and new eight-speed dual-clutch transmission. Hallmark described the Coupe’s combination of road manners and track performance as a defining achievement, with the Spider intended to preserve those qualities while expanding the opportunities for driver enjoyment. He said: “Valhalla Coupe broke so much new ground. Our first production mid-engined supercar. Our first plug-in hybrid. The first to feature our bespoke flat-plane crank V8 engine, and the first to use our all-new 8-speed Dual Clutch Transmission (DCT). It also pioneered a fresh design language and achieved a unique blend of exemplary on-road feel and engagement matched by extraordinary on-track capability.” The Valhalla Spider will make its global debut at the 2026 Concours at Wynn Las Vegas. With deliveries scheduled to begin in the third quarter of 2027, Aston Martin’s latest supercar brings together electrified performance, Formula 1-derived technology and the enduring appeal of open-cockpit motoring in a distinctly British package. 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