Q. What is the mileage of the BMW XM?

Engine is the heart of your car. Knowing it well and keeping it healthy can save you a lot of fuel

The science of cutting through air is paramount in achieving good fuel efficiency. Here's how knowing this science can help your ownership experience

The type of engine oil can make a huge difference to the fuel economy of your car. Here's a guide to pick the right oil

Weight is the biggest enemy of fuel economy. The basic rule to save fuel is travelling light. But there's more to it than just that. You can start by purchasing a car that weighs the least

A start-stop system turns your engine off when you are stationary and saves you fuel in the process. Here's more on how you can improve fuel economy by using start stop systems