Annual Fuel Cost* $2,100: Cost to Drive 25 Miles: $3.47: Cost to Fill the Tank: $43: Tank Size: 12.4 gallons *Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. I get better gas mileage without cruise control by letting the car slow down a bit on the uphill and using gravity to build speed back up on the down hill - I avoid doing this with traffic, but it seems to yield the best mileage. My best mileage per the computer was 33.6 on a mostly highway trip of 45 miles. 2015 Ford Focus SE 5dr HB Features and Specs. Year * 2015. EPA Fuel Economy Equivalent (for hybrid and electric vehicles), combined/city/highway (MPGe) Fuel Capacity / Gas Tank Size. 12.4 I drive a mostly highway daily commute. 60 miles each way. I got 28 mpg on the dash computer running FBO E30. That’s a 50k mile experience. Now running a G25-550 on a 93 tune and getting 29 mpg on the computer and 28 real mileage math. That’s a 21k running average with 115k on the clock total. 2017 ST2 Race Red. Fuel Economy of the 2014 Ford Focus SFE FWD FFV. Compare the gas mileage and greenhouse gas emissions of the 2014 Ford Focus SFE FWD FFV side-by-side with other cars and trucks Fuel Economy of the 2017 Ford Focus RS AWD. Compare the gas mileage and greenhouse gas emissions of the 2017 Ford Focus RS AWD side-by-side with other cars and trucks 5.7 tons CO2. Focus ST Base. 5.7 tons CO2. Avg. Compact Car. 5.3 tons CO2. Yearly estimate based on your driving miles. Learn more about 2017 Ford Focus ST See all for sale. EPA Fuel Economy Est - City (MPG) 26: EPA Fuel Economy Est - Hwy (MPG) 36: Fuel Tank Capacity, Approx (gal.) 12.4: Calculate 2015 Ford Focus Monthly Payment See pricing for the Used 2015 Ford Focus Titanium Hatchback 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2015 Ford Focus Titanium Hatchback 4D. Fuel Economy. City 26 Original CV shafts , everything on car functions perfectly except cruise control cable frayed. Quick math I have changed oil 100 times, 12 sets of tires, approximately 14,700 gal of gas @34 MPG, 185 cross country trips, 18.5times around the world, to the moon and back with one orbit and 8,500 hrs in the drivers seat..which is about 345 days. KOck.