...he will certainly not mention that the car was first driven smoothly without oil.
Ultimately, it's always the person with a small budget who absolutely needs a car to drive that is the fool.
...Buying used cars is now like Russian roulette, you'll be ripped off even at a reputable dealer, and if it's "just" the mileage, it's just another way to make a "used" car look a little "newer"...
But with a difference of 150€, that's a really great decision
