Thank you!if potential maintenance cost's are a issue just buy a warranty, then you know exactly where you stand. I have a extended warranty on my 18 I paid $2300 for I might never end up using it, who know's I still have 2-3 more years and around 30,000 miles remaining on it. it's a premium warranty that covers everything except wear items.
if you go that route be sure you FULLY READ and understand what any potential warranty covers EXACTLY. most people do not bother and then get all butt hurt later when they go to use the warranty and sadly discover it does not cover X or Y item. Many things you would ASSUME are covered are not. then you need to know what the co-pay is as there is almost always a co-pay and then you need to understand that most warranty's will cover "rebuilt" replacements and not NEW replacements. It also worth noting that you can also decide to PAY the difference for NEW parts in place of accepting a rebuilt part. Additionally most warranty's also only pay out a max pre-determined labor rate which most shops are willing to agree to but it's worth noting because you could end up being responsible for the additional labor cost's but that kind of thing is usually up-front when having work done.
AND it is also normal for this kind of warranty work to take EXTRA time to get done because the warranty/insurer will want to send a claims agent out to verify the claim is legit and inspect the damages and that can time to arrange.