lookin to buy this s4 what things shall i look out for? test drove it it stuggles to go into 1st n 2nd gear its that the clutch or gearbox? i brought my a4 which i still have from these guys they are family friends. im in 2 minds looking at the b6 1.8tq as well. just gotto make sure i can afford to run the 2.7 engine.