The majority of people who wish to buy a used car have a clear picture in their mind of the type of car that they want, or at the very least some idea of whether they want a saloon or a hatchback. However by the time they have visited the showroom they can leave the forecourt driving away something very different from what they envisaged. The reason behind this could be the salesman persuading you away from what you know is the right choice or you simply buy on impulse only to realise your mistake later. Here are some practical tips to help ensure you don’t make a big mistake when it comes to purchasing your car. The first thing you should take into account is the size of the car; factors to take into consideration here are the size of your garage or drive and whether or not you have a family. If you have a family then purchasing a small two seated model is probably not the right choice. The same applies if you have limited space as then you aren’t going to be able to fit a big car into it. The size is also determined by the build you are, for example if you are a tall person then you will have to ensure that you have adequate room, you don’t want to have to open the sunroof and stick out your head in order to see where you are going. Take into account what it is that you need the car for. Are you going to be towing a caravan or attaching a trailer to it on a regular basis? If you are then you should consider a car with a bigger engine such as a four wheel drive. If you only want something to run about in the city then your choice might be better suited to a smaller hatchback model. The car you choose should fit in with your lifestyle. Another important factor that you should always take into account when considering the type of car is how much it will cost to insure. The size, make and model of the car are all factors that are taken into consideration when it comes to determining the quote for your premium for the car insurance. Finally, you have the choice of going for a petrol or diesel model; there are many advantages to choosing a diesel model rather than petrol. The diesel engine is considered to be more reliable and the fuel is more economical. However there are bad points too and these include the engine of the car being worked harder which means a major overhaul. Cars that run on diesel are also often overpriced and they aren’t considered to be environmentally friendly when compared to petrol engines.