thinking of buying an a4

[solorider]

hello,im looking at buying an early 1995/6 a4 turbodiesel,what i need to know ishow do you tell if the engine is a 90 or 110bhp? is there any problems with this model especialy as the car will have 125k miles upwards,also what do you get to the gallon in fuel consumption
any help would be appreciated

also anyone on here run biodiesel? have you had any problems if you hae