Changing the oil yourself is easy ... truck, or SUV. Mobil 1 topped our rankings of synthetic motor oils, and you can get it in 0W-20, 0W-40, and 5W-20 viscosities from Amazon for about $30 ...

As for the best oil brand, Ram and Chrysler owners swear upon the efficacy of 5W-20 fully synthetic motor oils from Pennzoil, Mobil, Amsoil, Redline, Fram, and Royal Purple. Any brand is suitable ...