Miles per gallon can't be converted to kilometers per hour. Miles per gallon measure fuel economy, while kilometers per hour measure speed.
250 mph = 402.34 kph.
Fuel Consumption over 100 Km @ constant 90 Kph - 4.6 litres / 61 mpg / 51 mpg US Fuel Consumption over 100 Km @ constant 120 Kph - 5.7 litres / 49 mpg / 41 mpg US Taken from: http://www.bmbikes.co.uk/specpages/R850R.htm
250 kph 175 mph
250 kph or 150 mph
2013 F250 diesal mpg hyway/town
250 kph / 155 mph. It is the top speed of TVR.
The EPA mileage estimate for the 2009 Lexus IS-250 is 18 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2012 Lexus IS-250 is 19 mpg in the city, 28 mpg on the highway.
The EPA mileage estimate for the 2014 Lexus IS-250 is 21 mpg in the city, 30 mpg on the highway.
The EPA mileage estimate for the 2010 Lexus IS-250 is 19 mpg in the city, 27 mpg on the highway.
The EPA mileage estimate for the 2007 Lexus IS-250 is 18 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2008 Lexus IS-250 is 18 mpg in the city, 26 mpg on the highway.