Last march I bought a 1991 190E 2.6 5 speed with 67,000 miles on it. It was advertised as having all the records but when I bought it the owner couldn’t find them (they had just moved) so I know very little about the car. A little afterwards I noticed it used about a quart of oil every 700 miles or so, and a little after that I found this site. After surfing for a while I suspected the valve guide seals. But after changing them the oil consumption was the same. I then checked the compression and all cylinders were within 2 pounds of 184 pounds. The engine runs and starts fine. I had the spark plugs read and they showed some detonation that could be caused by the burning oil. I have some personal frustration because I have a Peugeot Turbo Diesel 5 speed with 260,000 miles on it and it uses abut a quart of oil between changes, and it probably leaks it. So the question is...where is all the oil going? Or maybe it takes a while for the new seals to seal.

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5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)