We rented a genII Prius for a week during a vacation. While on a closed course we cruised at 90 MPH for 90 miles and still returned 37.5 MPG. The little Prius just hummed along and still has some go pedal left in 'er.
With a Cd of 0.25 and small frontal area it is actually a pretty smooth high speed car although I would be worried about lift
Speedy
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1983 944 guards red with 16" Fuchs, Host of Wisconsin area timing/ balance shaft belt tensioning party
1987 944S Purchased from Legion. Corvette LT-1 V-8 conversion with Mega Squirt II
Check on progress --->
www.porschehybrids.com/gallery/speedracing944
Favorite Road =
www.tailofthedragon.com 318 turns in 11 miles (11 min 20 sec best run)