Aside from a house, buying a new car is probably the most expensive investment you will ever make. It therefore pays to do plenty of research so you can get the best deal possible. This infographic contains a useful array of car buying tips that take you through every step of the process - from planning your budget and arranging a loan to trading in your current car and avoiding tricks in the contract.

Used cars are better bargains than new ones. Did you know rental car companies are a source of well-maintained, late-model used cars you can buy cheaper than at a dealership?

The best part of paying cash for a used car is that you don't have a monthly car payment. However, you may still want to calculate how much it costs when spread out over the time you own the car to know what your best options are next time.

If you're going to buy a car, be prepared to haggle. And some strategies work better than others. In a recent survey, Consumer Reports summarised the negotiation methods that work best for getting a better deal on a used car

There are a number of factors that go into your decision to buy or lease a car. Opportunity cost is one factor that might get overlooked, though. This calculator from MarketWatch considers the potential return you'd get by leasing and investing instead of buying.

Between commuting, running errands and holiday road trips, you spend quite a bit of time sitting in your car. Make sure your seat properly supports you with this list of questions.

If you plan to buy your teen their own car when they start driving (or they plan to buy one themselves,) you want to get the safest, most reliable one that fits your budget. Here's what you should pay attention to when choosing which car to buy.

If your car is crapping out and you're thinking of getting a new one, or even a new-used one, it's a big decision. Cars cost a lot of money, so it's not a decision you want to make lightly. Here are the three main factors to consider when deciding whether or not to buy a new car.

If you want to get a decent value car without taking the depreciation hit, used is the way to go. But if you don't know what to look for, you can end up with a car that's not worth the price (or worse, a lemon). This video tells you what to look out for when test driving a used car.