The 2003 Audi S6 has 40 valves.
The 2003 Audi A6 has 30 valves.
The 2003 Audi S8 has 40 valves.
The 2003 Audi A4 has 20 valves.
The 2003 Audi A8 has 40 valves.
The 2003 Audi TT has 20 valves.
The 2003 Audi TT's engine produces 180 hp @ 5500 rpm.
The 2003 Audi A6's engine produces 220 hp @ 6300 rpm.
The gas tank on the 2003 Audi S8 holds 23.8 gal..
The gas tank on the 2003 Audi S6 holds 21.7 gal..
The 2003 Audi S6's engine produces 340 hp @ 7000 rpm.
The 2003 Audi A8's engine produces 310 hp @ 6200 rpm.