I often get flyers in the mail from the dealler
offering "10% off 6 month service"
10% off of what?  No actual price is ever mentioned.
How does the Auto dealer get away with this

I am about to buy an Accord and the 160 hp 4 cyl is all I really need
but I plan to own this for a long time and put about 200,000 miles on
it. My question is would the 6 cyl be more likely to reach that
milestone than the 4 with a lot less problems along the way or doesn't