[Sputter]

Man, that's a shame.
Who looked at the car before you bought it? Some of those things would have been readily apparent prior to purchase. Talk to the guys that did your PPI.
A road test should have shown clutch issues. Leaking oil is fairly easy to see as well.

Was it sold as is? Check out your local laws to see if there is a a grace period on the purchase.
You mention warranty, you bought a 3rd party warranty plan? I'd check to see what's covered.

I hope you can get some good news out of this.