Yes, you can hire someone and this is the best money you can spend. In Thailand, there are plenty of independent mechanics or services that will inspect a car for you. They’ll spot stuff you’d never even think to check especially if you don't want to buy some junk car and one more way you can check dealers right on internet and learn more about them. But when I was living in Thailand I just brought my friend who had a lot of knowledge about cars and he helped a lot to pick a car