Aston Martin’s Valhalla Spider produces 1,064 horsepower from a twin-turbocharged 4.0-liter V8 and three electric motors, and it carries a 124 mph limit when the standard fabric roof is fitted. With the roof off, or with the optional carbon-fiber hard top on, the same car is electronically limited to 217 mph.
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Aston Martin released the Spider on October 28, 2026 from its Gaydon headquarters. Deliveries begin in the third quarter of 2027.
1,064 horsepower from a V8 and three motors
Aston Martin’s release for the Valhalla Spider quotes the output in metric terms: 1,079 PS and 1,100 Nm of torque. The 4.0-liter flat-plane-crank twin-turbo V8 contributes 828 PS, and three electric motors add 251 PS. Aston Martin puts the V8’s specific output at 207 bhp per liter. Converted, that is the 1,064 horsepower Carscoops reported, with 811 pound-feet.
Aston Martin presents the Spider as its first mid-engined open-top production supercar. The layout is a plug-in hybrid with no mechanical link between the front and rear axles. Two motors sit at the front and provide torque vectoring, while the third sits beside the eight-speed dual-clutch transmission and assists the V8 at the rear axle. The Spider keeps the powertrain of the Valhalla Coupe, which Aston Martin introduced in December 2024 with the same 1,079 PS figure.
The 124 mph limit applies to the fabric roof
The speed figures attach to the roof, not to the absence of one. The release says the car reaches 350 km/h, or 217 mph, with the roof off, and that the same limit holds with the optional carbon-fiber hard top fitted. The standard black fabric roof is the exception: Aston Martin says it limits speed to 200 km/h, or 124 mph.
The company’s Valhalla Spider model page repeats the split, listing 124 mph with the fabric roof and 217 mph with the hard top or an open cockpit. That makes roof-off running the faster condition, and Aston Martin calls the Spider its fastest open-top car to date. The slow figure belongs to the car with the fabric roof fitted, the weather-protection configuration, and the open car carries the full 217 mph limit, which Aston Martin describes as hypercar-level performance. Aston Martin’s release says the roof-off top speed makes the Spider the fastest open-top car the company has built.
Roof, wind deflector and carbon tub
The removable fabric roof stows in the car, and a rain cover is supplied for static use. A wind deflector clips in when the roof is off to direct air over the occupants and toward a snorkel that is 35 mm taller than before. The deflector folds into three parts for storage, and 15-liter apertures in the sills hold small items.
The passenger cell is a version of the Coupe’s carbon-fiber tub, built by Aston Martin Performance Technologies with resin-transfer molding and autoclave curing derived from Formula 1. The doors remain carbon-fiber dihedral units but are now frameless, with a slightly curved glass edge to ease entry with the roof fitted. Stability control was recalibrated for roof-on and roof-off driving, and the active aerodynamics carry over from the Coupe, with downforce above 600 kg with the roof fitted.
Weight, acceleration and the Coupe benchmark
Carscoops reported a weight of 3,703 pounds with the lightweight options, 55 pounds more than the Coupe, which works out to about 0.29 horsepower per pound, and a time of 2.5 seconds to 62 mph. The Spider release carries neither figure in the text reviewed. The company’s December 2024 release for the Coupe gave a 2.5-second 0-62 mph time, a 1,655 kg dry weight, 652 PS per tonne and production limited to 999 units, so the acceleration number is consistent with the Coupe record rather than newly measured on the open car.
The Spider is scheduled to make its global debut at the 2026 Concours at Wynn Las Vegas. Carscoops reported that buyers can specify exposed or colored carbon body panels, liveries, satin black or titanium tailpipes and forged aluminum or magnesium wheels. A new carbon-fiber Touring Seat is standard, and the Coupe’s more aggressive carbon seat is a no-cost alternative for a sportier fit.
The Coupe release also carried voices from the design and engineering teams. Marek Reichman, executive vice president and chief creative officer, called the Valhalla Aston Martin’s first mid-engined supercar and said it offered a rare opportunity to create something fresh, while Simon Newton, director of vehicle performance, said the car’s dynamic bandwidth separated it from class rivals. The Spider release leaves the open-car engineering commentary to the company’s chief executive.
Chief executive Adrian Hallmark framed the car in two sentences: “Valhalla Coupe broke so much new ground,” and “Valhalla Spider ticks every box.” The release does not carry a price, and the Spider’s production allocation is not stated, although Carscoops expects a run smaller than the Coupe’s 999 cars. Both remain open until Aston Martin publishes them ahead of the third-quarter 2027 deliveries. Aston Martin’s own Valhalla model page carries the same 1,079 PS figure and lists a 217 mph vMax, which is the number the roof-on limit sits below.
This article was produced with the assistance of AI and reviewed by Morning Overview editors prior to publication.
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