While it is good to aspire all these (house & car), you have to also think of means to get there.
We are all working for our own keeps. If you have the skill for the job, you will be paid more. If you want to be paid more, then be prepared for nonsense to drop onto your lap.
Instead of feeling depressed, why not write down some goals that you have as well as some interests in certain areas of work and then work towards it? For example you could take up courses to upgrade your skills or see if your existing company has any courses which you could sign up for.
You're 25. So young. Your future ahead of you is bright if you are willing to put in the hard work now. You're definitely not useless. Keep a positive attitude and keep hoping. Look forward and strive toward your goal.