The Ford Fiesta ST (Mark VI) is a performance variant of the Mark VI Ford Fiesta.
In 2011, Ford revealed the Fiesta Mark VI/Mark VII-based Fiesta ST concept, with the final production model revealed at the 2012 Geneva Motor Show.
The Fiesta ST's front-mounted engine is a 1.6 L (1,596 cc) turbocharged Ford EcoBoost inline-4 engine designed to deliver performance and decent fuel efficiency simultaneously. It features Twin-independent Variable Camshaft Timing (Ti-VCT) and makes 180 hp (134 kW) with 177 ft·lb (240 N·m) of torque. An "overboost" mode is present that increases power to 197 hp (147 kW) and torque to 203 ft·lb (275 N·m) for a maximum of 15 seconds. In the United States, Ford is permitted to market the engine offering its overboost power figure.
The engine is mated to a front-driving six-speed manual transmission with the inclusion of Ford's Torque Vectoring Control system to brake the inside front wheel to aid agility and three ESP modes. The car has a weight of 2720 lb (1234 kg), resulting in a power-to-weight ratio of 160 hp (119 kW) per tonne (with overboost) or 146 hp (109 kW) per tonne (without overboost).
The Fiesta ST's front fascia has been redesigned to resemble the one seen on the Ford Focus ST, and other visual updates include a large rear wing and aggressive rear diffuser with a dual exhaust system, completed with 17-inch wheels running on Bridgestone Potenza tires.
The Fiesta ST is capable of 0 - 60 mph (0 - 97 km/h) in 6.7 seconds and a top speed of 136 mph (219 km/h).
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