Ford Focus Mk3 routine maintenance guide (2014 to 2018 petrol and diesel engines)
2018 Ford Focus RS Review, Pricing, and Specs
Ford Focus (third generation) - Wikipedia
Ford Focus common problems (2011 - 2018)
Used Ford Focus buying guide: 2004-2011 (Mk2); 2011-2018 (Mk3)
Guide to: Ford Focus RS Specs, Options & Packs
Ford Focus (Mk3)
Ford Focus (third generation) - Wikipedia
Ford Focus ST (Mk3) PH Used Buying Guide - PistonHeads UK
Ford Focus mk 3 specification guide