You do not need to change oil if the car burns a quart every few thousand miles and you keep adding oil to it.
I bought a 2002 Camry with 93k on it for $900 a couple of years ago. Same problem. Followed this http://www.tegger.com/hondafaq/sludge/cleaning_sludge.html and threw in new valve seals and timing set. Good to go for @ $300. Driving it since. Any yes, I am a mechanic.
In WWII, lots of trucks went without ever having oil changed. It was often easier to get new vehicles than to get oil.
I am 56 years old and have owned 21 new cars. None of them burned oil at any appreciable rate until 2004 when I bought a 2005 Chrysler Town & Country minivan with the 3.8L engine.
Right off the bat the darned thing would burn over two quarts of oil between the 4000 mile changes. As an aside I use full synthetic oil so I pushed this auto to 4000 miles changes. Anyway, two different dealers told me flat out that was normal and my original dealer even did a compression check for me (they were the best dealer from which I had purchased a car). I now have 108,000 miles and it still burns that oil but runs great.
I owned a Audi A4 for seven years. I bought it as a two-year old car. From the first month....I had to add a quart of oil about every eight weeks. Never went higher or lower. Great car until the axle broke.
One of my two old cars burned oil, so I replenished it with the used oil from my other car. :)
filter may be a good idea