LS9

[BogBeast]

http://www.gizmag.com/corvette-zr1-certified-power-ratings/9245/ 

Wow ! pretty good power for Pump Gas !!

[crafty]

"....engineers remain confident that the ZR1 will be the most fuel-efficient 600-plus-horsepower car on the market..."

HAHA!

[F.C.]

Not too many to compete with then .
F.C.

[GTRCLIVE]

Enzo mpg 9 Maclaren F1 mpg 12

Shouldn't be that hard to get more......