Ford has launched more economical versions of its North American market compact SUVs, the Ford Escape and Mercury Mariner, for the 2009 model year.
The 2009 versions will come standard with a new 2.5-litre engine (with an 11% boost to 170hp over the previous 2.3-litre unit) and a six-speed automatic transmission, both expected to to improve the Escape and Mariner’s EPA estimated fuel economy by 1 mile per US gallon.
Ford said the anticipated 1mpg improvement in fuel economy would make the SUVS more competitive in their segment and they could also now achieve ULEV II emissions certification.
The new engine is also the new basis for the hybrid versions. Adapted to the Atkinson cycle, the engine is the first in a hybrid Ford to incorporate variable valve timing.
But Ford did not detail any fuel consumption reductions for these models.
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By GlobalDataFord claims advancements in engine processor technology enable a nearly imperceptible transition from petrol to electric mode while a new brake system also provides a more seamless transition from regenerative braking to traditional braking. It incorporates a new pedal sensor that gives the driver better feedback and pedal feel similar to that of a traditional vacuum-assisted hydraulic system.
The three-litre V6 petrol engine has a 30hp increase to 230hp and will also have an estimated 1mpg fuel economy improvement and better acceleration, due to a new six-speed transmission and engine improvements, including new pistons, cylinder heads and fuel injection system.
Replacing a four-speed unit, the new, more fuel-efficient six-speed automatic transmission allows a longer final-drive ratio for optimal fuel economy.
Fuel savings also come from other changes to the Escape/Mariner such as aerodynamic improvements, including a new front fascia chin spoiler and rear tyre spoilers also play a role in the fuel economy story and a new 16-inch Michelin tyre design that offers improved rolling resistance.
All models now have Ford’s Easy Fuel capless refuelling system that helps to prevent evaporative fuel emissions because the filler pipe is opened only when a petrol pump nozzle is inserted.
Ford launched the new models at the Washington motor show and also displayed an Escape Plug-in Hybrid alongside the production models.
The prototype plug-in research vehicle uses high voltage, lithium-ion batteries and can travel up to 30 miles on battery power alone before switching to full hybrid mode, delivering the equivalent of up to 120mpg.
Last year the Escape Hybrid posted a 10.4% increase in sales over 2006, with 21,386 units sold, while Mariner Hybrid sales were up 17% to 3,722 units.
The vehicles are built at the automaker’s Kansas City assembly plant and the 2009 models go on sale this summer.