TALON TSI AWD TURBO Drinks GAS! HELP!

hello can someone help me out i have a 1996 Eagle Talon TSI AWD turbo, this thing drinks gas, and as well smokes blueish smoke out the back when i floor it on the highway, is this the turbo or engine crapping out, and is there any specifics on why my car is soo bad on gas, i mean like i can fill it up, leave on the high way drive about 30 miles and be gone outa a quater of a tank my e-mail is [email protected] please help me out!

Well i have a 95 tsi awd and i few of my other buddies have tsi awd and we get about 220 miles to a tank, the higher your boost gauge the more gas you use.