The Discovery 4 was heavily based on its predecessor but featured vastly improved interior quality and the introduction of the powerful, smooth 3.0-litre SDV6 engine, cementing its status as the ultimate family tow car.
Sudden, catastrophic failure of the crankshaft or main bearings, requiring a replacement engine.
Sudden engine cut-out, Deep knocking noise, Low oil pressure warning
The plastic inlet manifolds on 3.0 diesels crack under heat cycles, causing boost leaks, restricted performance mode, and DPF regeneration failures.
Restricted performance, Loss of power, Black smoke, DPF warning
The front lower control arm bushes wear prematurely on UK roads, causing knocking noises at low speed and uneven tyre wear.
Clonking noise over bumps, Knocking under braking, Uneven front tyre wear
EGR valves crack and intercooler hoses split, causing boost pressure loss, power reduction, and black smoke under load.
Loss of power, Black smoke from exhaust, Restricted performance mode