If possible, always keep your windows closed, run a/c instead of open windows. This will keep your car clean from inside for long time.
Keep your good grip tires in front wheel, this change makes your breaking perfect on road. However people don’t know these tricks and get harassed with their car condition.
Another thing is make sure you always use clutch to start engine, this will make your cars engine long live. It is also good for safe drive. Even all new cars have this feature compulsory to start a car.