I've driven up to 100 mph or more in my S and I drive i26 all the time I get 35-40 miles to the gallon no I usually drive 80 mph only eceeded when a Nissan 370 peed me off.
I have a 2011 S with the ground effects and fog lamps everything but got a really great deal on it at Milton Rubens think I paid a le price on it but mine will haul butt I ran with a civic si so it will get up and go