im looking at buying a 2001 audi a4 quattro it has 268,000 he is askin $1,400 is this car worth it and what shoul i check on this car before i decide to purchase it ?

The price is reflective of the age and miles on the vehicle, but expect to put in thousands of dollars over the years if you want to keep it. For that much, your probably going to need to put $1500-$2000 into it right off the bat.