And I can tell when the next earthquake is going to happen before it happens.
checking the oil and filter may not help you much if the oil was just changed as most dealers do when selling a car.
Since you are in the UK, there is a similar forum to this one that is based in the UK, boxa.net.
Not that you are not welcome here, you certainly are, but members there may have better info on local things such as the "dealer" you are looking to buy the car from