As someone who has done over 100,000 miles each in a Ford Mondeo and a Daewoo Leganza as company cars, I find your title comment somewhat difficult to fathom.

My recollection of the Leganza is somewhat less rosy. In brief terms:

Falling apart by 100,000 miles with squeaks and creaks everywhere.

Cambelts snapped on all six on the fleet before 40,000 miles. Eleven non-scheduled dealer visits in 100,000 miles for my car, and it was one of the better ones.

Vague steering with no feel whatsoever.

Appalling damping, with floating and wallowing, yet crashing over really rough roads.

Dangerous ABS, particularly in the wet. Cuts in far too eagerly.

Abysmal handling. Car could steer, handle bumps or accelerate just fine, but could not cope with doing more than one at the same time. Vicious understeer and traction problems in the wet. Rehashed GM components showing their colours here.

Rough, intrusively boomy engine that struggled to better 25 mpg average. In its defence, it went well though.

Reasonable comfort and excellent equipment.

A heck of a lot of car for the money if viewed in size / standard kit terms.

In comparison with the Mondeo, which I recall as having:

Truly excellent handling with perfect damping and lots of feel through the steering. Read any car magazine.

A smooth, supple, well damped ride. Read any car magazine.

Strong brakes, with well set up ABS. Read any car magazine.

A slightly noisy, but smooth, torquey engine which averaged 10 mpg more than the Daewoo's.

A slightly cheap looking interior, but one which held together well over 100,000 miles.

Generally solid build quality. Doors thunked shut, everything worked from day one until the day it went back.

Lovely seats and driving position.

One non service fault in 100,000 miles (electric window switch).

See my confusion? I will concede Ford auto boxes are awful, but my comments relate to manual versions of both cars.