3 valves/cyl, 2 spark plugs/cyl, 2 air filters, 22 mpg driven hard, 25 mpg driven moderately, 27? possible??, 150mph top speed,0-60= 6.4 , 19s rear, 18s front, 8.5 quarts 0-40 mobil-1, stability control, traction control, on the 5spd automatic the "W" button makes it start out in 2nd, on the 6spd manual....keep the revs up to shift smooth, wing rises at 62mph.