Ford Mondeo Mk5 (CD391)

The fifth-generation Ford Mondeo (CD391), produced from 2014 to 2022, moved the model toward a more global, refined persona, focusing on exceptional ride comfort and long-distance capability. Positioning it as a comfortable alternative to the Volkswagen Passat and Mazda 6, it offered one of the quietest cabins in its class, aided by advanced sound-cancelling technology on higher trims. In the UK, it remains a favorite for high-mileage commuters and families who value outright interior space and the practical utility of its large hatchback and estate body styles. Reliability for the Mk5 varies significantly depending on the powertrain chosen, with certain engines having well-documented high-risk failure points. The 1.5-litre EcoBoost petrol engine (pre-2019) is particularly notorious for coolant intrusion into the cylinder bores, which can lead to total engine failure if not caught early. Additionally, early diesel models equipped with the "PowerShift" dual-clutch transmission require a strict 37,500-mile fluid change interval to prevent shuddering and internal mechanical damage. Mechanically, the 2.0-litre TDCi diesel is the most robust and dependable unit, though it still requires regular maintenance of the DPF and EGR systems to avoid urban-heavy clogging issues. When buying a used CD391 in the UK, the focus should be on engine health and infotainment technology. Prospective owners should carefully check for any signs of coolant loss in petrol models and verify that the PowerShift transmission (if fitted) shifts smoothly without hesitation or noise. It is also important to verify the version of the SYNC infotainment system; while SYNC 2 is functional but slow, the post-2016 SYNC 3 system is significantly more responsive and supports Apple CarPlay and Android Auto. For the best used experience, a late 2.0-litre diesel manual is the recommended "sensible" choice, offering the best balance of longevity and low running costs for motorway use.