Not really very good.
High test only.
Heavy car with large 8 cyl.
Maybe 18-20 mph with luck.
This link has the list of 1990 300e gas mileage. http://www.fueleconomy.gov/feg/bymake/Mercedes-Benz1990.shtml
This motorcycle has about 45-50 mpg.
9-13 if you lucky
About 10 to 14 mpg
14-18 miles per gallon not 50
These cars are absolutely designed and require Premium. They may run on regular, but not happily. (But, they do get great gas mileage!).
i need to no the color codes to a 1976 el camino ignition
8-12 MPG depending on conditons ...
Depends entirely on the mileage that the vehicle you're driving gets, and the price of fuel along the way.
1988 Mercedes 300E The 300E is reported to be the best model Mercedes ever built. A 1988 Mercedes 300E can make you feel wealthy. Great acceleration and decent gas mileage. Buy!
The combination of highway gas mileage and city (stop and start) mileage.
No; friction decreases gas mileage.