The Valhalla is Aston Martin's first mid-engined production car and their first plug-in hybrid, developed with direct knowledge from Formula 1 and the Valkyrie. The 4.0 litre twin-turbo V8 works together with three electric motors for a combined output of 1,079 ps, delivered to all four wheels. The active aerodynamics front and rear are not decorative: at speed, the car presses itself into the road with over 600 kg of downforce at 240 km/h. This example in Apex Grey with a satin carbon fibre bod...