Can I return a used car I just bought?

I just bought a 2012 Honda Accord se with 35k miles yesterday from a small used car dealership and I had my family mechanic look at it today. I got the news that the rotors are heavily rusted and need to be replaced (all 4), break pads need to be replaced (all 4) and the front drivers side wheel bearing needs to be replaced. When I was at the dealer I was told that the car had no internal issues, and the only flaws were the cosmetic ones (I am aware and okay with the scratches that are on the vehicle). While driving it home off the lot I took notice of the grinding noises coming from the car, which is why I immediately took the car to my mechanic. To get all of these things fixed is going to cost me a lot. Since the salesman didn't tell me about the issues before hand, am I allowed to bring the car back and return it? I'd rather go elsewhere and buy another car that won't cost me anything for repairs a day after I get it. I live in Connecticut. The price of the car is $13,900 plus after taxes, fees and interest on the loan I got it comes out to almost $20k, and to pay that much for a vehicle that needs work just makes me angry and I feel ripped off. The salesman told me the car was in perfect condition and the Kelly blue book value was over $16,500, but it's actually KBB value is around $14,000. The salesman/owner of the dealership stated we have a 60 warranty if anything happens but he wasn't specific on as to what it covered no matter how many times we asked.

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