My 2000 Audi A4 1.8 has just reached a hundred thousand miles about six months ago it started making a clicking noise when setting off in first gear then again when selecting 2nd but not 3rd and 4th, now its a clunking and slightly creaking noise, the more i put my foot down the louder the clunk it really sounds like something banging against the body.Things I have tried so far are
New Outer C/V joints . New engine mounts. checked gearbox mounts and had a good look at subframe mounts. New CAT and exhaust system checked, there is no suspension noises over bumpy ground.Can somebody please help ?

Thanks for the reply its a front wheel drive manual gearbox A4 the clunk happens when i accelerate in 1st gear then again when I change into 2nd then 3rd and 4th no clunk it sounds like something hitting the body underside on the r/h side i cant feel anything through the gearleaver

Bounce the front of your car up and down, or go over a speed bump at 5~10 MPH and listen for any of the noise that you describe. If you hear the noise that way, there may be bad balljoints. You'll hear the noise in first as you accelerate, because the front end lifts slightly. when you shift to second, the change in torque moves it down and up again. Bresha mentions the mounts. You can open the hood, and watch the engine move as someone else attempts to move forward, then backwards, with the parking brake on. I had a terrible clunk on our Passat, due to transmission mounts, and the movement of the engine was really impressive!