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1.0-liter EcoBoost achieves 45 mpg on the highway

Ford has officially announced that the 2014 Fiesta using the new and very small three-cylinder 1.0-liter EcoBoost engine is officially the most fuel-efficient non-hybrid vehicle in America. The little 1.0-liter engine is able to achieve 32 mpg in the city, 45 mpg on the highway, and 37 mpg combined.

Those official fuel efficiency ratings are dead on with Ford's promise of achieving mid-40 mpg efficiency when it first announced the tiny three-cylinder engine in November 2012. Ford says that the Fiesta is the only subcompact in its class able to deliver 45 mpg on the highway while producing over 120 hp.

Ford says that its 1.0-liter Fiesta achieves fuel efficiency of 12 mpg higher than the Honda Fit and 8 mpg higher than the Toyota Yaris on the Highway. The 1.0-liter EcoBoost Fiesta gets better fuel efficiency than some competitors’ diesel and hybrid vehicles. Ford specifically calls out the 2014 Honda Insight, which achieves 44 mpg on the highway and the 2014 VW Golf diesel with a manual transmission that achieves 42 mpg on the highway.

Despite being incredibly fuel-efficient, the 1.0-liter EcoBoost engine reduces 123 hp and 125 pound-foot of torque. The vehicle also features an overboost setting allowing the car to make 145 pound-foot of torque for up to 15 seconds.

The 2014 Ford Fiesta with the 1.0-liter EcoBoost is set to hit dealer showrooms later this year.

Source: Ford



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RE: Slooooooooooooooooowwwwwwwww
By Dorkyman on 10/30/2013 2:12:34 PM , Rating: 1
Allow me to set up a real-world scenario. A few years back our family had several cars, including a Nissan Sentra (1.6L 4-cylinder engine) and my old '69 Vette with a 427 (7L).

Now suppose I match the Sentra's horsepower by removing the quadrajet and installing a tiny one-barrel carb. Then I drop the 427 into the Sentra (good luck with that, but whatever). Assume both engines weigh the same.

It should be intuitively obvious that the 427 will be far less "efficient" as measured by overall fuel economy, even though both engines have the same horsepower. Why? Because throughout the operating region the 427 will have a far worse sfc than the little engine.


RE: Slooooooooooooooooowwwwwwwww
By 91TTZ on 10/30/2013 3:10:25 PM , Rating: 2
You're comparing 40 year old technology to much more recent technology. Let me pose another example using newer cars.

Let's compare a new Corvette to a somewhat recent Sentra:

http://www.fueleconomy.gov/feg/Find.do?action=sbs&...

2014 Corvette: 17/21/29
2002 Sentra: 19/22/26

The Corvette will get better fuel economy on the highway and nearly the same on combined driving. And that's with a 455 HP, 6.2L V8... an engine that's more than twice the displacement and twice the power.


RE: Slooooooooooooooooowwwwwwwww
By Noya on 10/31/2013 11:01:07 PM , Rating: 2
Let's compare the C7 to the 2013 Sentra FE (which has no direct-injection)

2014 C7: 17/21/29
2013 FE: 30/34/40

The C7 uses a skip-shift feature (just like the C5/C6) and two overdrive gears as it tops out in 5th.


RE: Slooooooooooooooooowwwwwwwww
By Noya on 10/31/2013 11:03:55 PM , Rating: 2
Oh, forgot to add the C7 uses cylinder deactivation.


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