I have a 2001 Toyota Sequoia that needs a new engine (90K miles). I have had no issues with it up till this week. I had the local Toyota dealer change the oil and they 'forgot' to put the oil back in. Needless to say the engine is ruined. They are offering to put a new engine in, or have me trade it in. I have 2 questions. What are any foreseeable issues that I could have with a replaced engine given the reason for the replacement? What is the cost for a new engine or a rebuilt one. I don't feel like the dealership is giving me a great deal right now and I want to make sure to make the right decision as to replace or trade in. Any thoughts anyone has on this would be great.