Mmm... Summer blend when it's cold out...

"Eric @ opposite-lock.com" (theyrerolling) 05/09/2017 at 21:52 • Filed to: hella mpgs yo

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I suspect there are very few Focus STs that have ever been returned better than 25mpg.

Also: My turbo is probably growing cobwebs.

I’ve been driving pretty conservative lately (combined with some serious highway acceleration passes) and this is my best tank in a really long time (in spite of it being almost all city driving and hills everywhere). The EPA fuel economy on the car is 23/32, but that’s a whole bunch of bullshit. Most people are lucky to get 22, while I usually get somewhere around 23-25, depending on the season, traffic, etc. This is the highest dash reading I’ve seen in ages and 0.4 of this was gained in some heavy stop-and-go traffic on the 405 (the cruise control setting you see was after I got on the 520, but the fuel economy didn’t budge). When I filled up, fuelly registered a 29.5 after topping it off (although I suspect this is wrong due to being a different pump and the car at a different angle, so it was probably closer to the dash reading), which is positively amazing for doing this almost entirely in the city in traffic. The best I’ve ever attained in this car was on an actual highway drive with no traffic for over 95% of it and a warm engine where fuelly clocked 34.2mpg, but based on the first click it matched the dash reading of 39.6mpg (it peaked out at 40.3mpg on that run, before traffic dropped my average).

If you have a FoST, what’s your best?

Can you tell in either performance or fuel economy when they switch blends?

Captain Brotatohead > Eric @ opposite-lock.com 05/10/2017 at 11:24

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I generally get 28-30 mpg running 87 in my 2013 ST. Commute is rolling back roads at 45-55 mph and I accelerate at the pace of the schmuck in front of me. I also coast and rarely late break at lights/stops as an effort to increase fuel economy. I get worse fuel economy on long highway trips. 27 mpg is about average on the highway at 75mph. Best fill was close to 33mpg.

Eric @ opposite-lock.com > Captain Brotatohead 05/10/2017 at 13:30

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It’s hard to beat EPA highway in these cars... Nice job.

I used to get around 26-27 when my entire commute was country roads, but the problem was that my office was only 3.4 miles away so I was cold starting at least 2-3 times a day.