Don't EVER buy a diesel for economic reasons - over your time of ownership the difference will be negligible. Buy a diesel IF you prefer the drive it gives. Torque FTMFW!
I am traveling about 40 000kms per year.
Just myself, mostly tar road, no trailer.
will keep car for long.
Petrol or diesel
Diesel. In the event of thermonuclear war, EMP won’t take out your electrics. Your car will keep running although your sound system will go tits-up.