Its not just the defenders and discos its landrover in general i think.
At work we run 3 Landrover types
Range Rover Overfinch
18months old 22,000 miles so far its had a new turbo,Been back to the dealer 3 times for paint flaking of the colour coded bumpers,2 multifunction (or not
)steering wheels,and 2 windscreens.
12 months old 18,000 miles so far thats had new turbo actuator,complete rear diff assembly,2 x petrol gauge sendors and a computer as it still shows 80 miles when you have run out of diesel,
9 months old 6000 miles so far new rear screen as it leaked along with the heater matrix,new tail gate lock door would open randomly.
Were as i run for personal use a 2001 Shogun 3.2 diesel 126,000 miles and apart from general service items brakes ect its only ever had a radiator,
And for work im on my 2nd Toyota hilux invincible as after 3 years and 200,000 miles my first one needed a wash
Jap everytime for me
But each to there own.