Audi A6 2.7 Bi Turbo Quattro. Silver exterior with Black leather Interior. Immaculate service record with all papers-Torque Converter Clutch(92k $1390)Timing Belt(90K $309)- Water pump(90k $96)- Thermostat Housing(90k $109)- Alignment (92k $110)- Right Rear O2 Sensor(96k $185)- Front Brake Rotors( 98k $198) Front Axle Shaft (98 k $96). Total Expense is over $6 k since 90 k. it have 105500 mile on it .the car have oil leaking problem but it is drivable and have some minor issue. He doesn't say what the minor issue are though. Is it worth it?