From launch, it is available in either a three-door or five-door body style, and comes standard with a six speed manual gearbox, with no option of an automatic. Power and torque have been increased to 197 bhp (200 PS) and 290 N⋅m (214 lbf⋅ft) respectively, which match the figures of the limited edition Fiesta ST200 of the previous generation. Despite being heavier than the previous ST model, the new ST can go from a standstill to 62 mph (100 km/h) in 6.5 seconds. The Mk3 Fiesta ST was powered by a three-cylinder 1.5-litre Ecoboost engine with turbocharger and cylinder deactivation technology. This engine features "overboost," allowing delivery of up to 200 PS (197 bhp 147 kW) for a maximum of 15 seconds. The 1.6-litre Ford EcoBoost turbocharged engine features Twin-independent Variable Camshaft Timing (Ti-VCT) and puts out 182 PS (134 kW 180 hp) with 177 lb⋅ft (240 N⋅m) of torque, providing an acceleration time of under 7 seconds (0–100 km/h) and an electronically limited top speed of 155 mph (249 km/h). The Mk2 Fiesta ST is powered by a 1.6-litre Ford EcoBoost engine to deliver performance while it was said to provide good fuel efficiency.
The Fiesta ST also features 17 in (43 cm) alloy wheels, disc brakes to all wheels, different front and rear bumpers, side skirts, body colour handles and bump strips, partial leather seats or an optional extra of heated full leather seats and a ST logo on the front seat backs and on the steering wheel. It includes a 2.0 L Duratec petrol engine rated at 150 PS (110 kW 150 bhp) in standard form, with a top speed of 129 mph (208 km/h). The Mk1 Fiesta ST was the performance model of this Fiesta. The Ford Fiesta ST is a high performance version of the regular Ford Fiesta.