The Aston Martin Rapide S was an updated and more powerful version of the Aston Martin Rapide that debuted for the 2014 model year. The Rapide S was powered by Aston's AM29 engine, which is an upgraded and more powerful version of the previous AM11 engine. The AM29 has an output of 552hp and 465 lb ft of torque that is sent to the rear wheels via an 8 speed 'Touchtronic III' automatic transmission. Aston continued production of the Rapide S until 2018.