For regular travelers the use of budget car rentals is more of a necessity than a luxury; this can save you the hassle of costly taxi rides and time wasted waiting for them to collect you. However, the rental car market can be fiercely competitive so be careful you are not given a car with an engine that would be better fitted to a bike. OK, so I may be exaggerating a little but it is something you have to look out for because the last thing you want is to have a car that is not going to be of any use. Just so you do not get caught out with your rental car I have decided to pass on a few pointers that may be of assistance.