Poor starting, erratic running, decreased gas mileage and lack of power can all be signs that your car really needs a tune-up badly, but you shouldn’t let things go that far. Vehicle engines ...

(AOL Autos)-- Is it time for a tune-up? Car won't start? Need a new water pump, or just an oil change? Welcome to the joys of car maintenance and repairs. Next up is the question that car owners ...

Unfortunately, we do not know how fast the tuned RS7 is, though the stock one does the 0-60 mph (0-96 km/h) in 3.5 seconds and can keep going all the way up to 174 ... of the car pictured here ...