The 2009 Audi A4 has 16 valves.
The 2009 Audi A4 has an inline 4 engine.
The 2009 Audi A4 is a gas-powered vehicle.
The 2009 Audi A4 has a drag coefficient of 0.28 Cd.
The 2009 Audi A4 has a continuously variable-speed automatic.
The 2009 Audi A4 has double overhead cam (DOHC).
The height of the 2009 Audi A4 is 4 ft. 8.2 in. (56.2 in.).
The curb weight of the 2009 Audi A4 is 3527 lbs..
The 2009 Audi A4 has 55.5 in. of front shoulder room.
The 2009 Audi A4 has 40.0 in. of front head room.
The 2009 Audi A4 has 37.5 in. of rear head room.
The 2009 Audi A4 has 54.3 in. of rear shoulder room.