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2018 Buick LaCrosse eAssist Hybrid Should Be Really Efficient

New emotor replaces the alternator and adds a tad of power

Published June 14, 2017

Since 2015 Los Angeles Motor Show, the has been sold only with the 3.6-liter V6 motor in the US. For the new model year, the car has been finally updated. 2018 Buick LaCrosse now comes with a four-cylinder engine as well. However, it is not just a four cylinder engine that plays the major part. This entry Level Lacrosse has the so-called eAssist tech on board as well. In short, it is a small emotor which acts instead of the alternator. It provides additional pulling power from the start but also is a major contributor for lowering fuel consumption.

2018 Buick LaCrosse

“By adding the eAssist system to the LaCrosse, our technology flagship, we are making electrification accessible to our customers as we chart our course to the future of mobility.” Duncan Aldred, Vice President of Global Buick and GMC, said.

2018 Buick LaCrosse eAssist Hybrid For Better Fuel Economy

2017 Buick LaCrosse

Bear in mind, this is not a full hybrid as the small eAssist motor is not that powerful. And, after all, it sources its power from the small but advanced 24-cell air-cooled 0.45kWh lithium-ion battery pack. It seems that every single piece of the new entry LaCrosse eAssist hybrid has been finely tuned for lowering fuel consumption of the whole rig. This is the thing, apart from providing power from the start, the thing also replaces the traditional alternator, enables regenerative braking by storing energy in the small battery when slowing down, contributes with the Start/Stop tech and is complemented by fine aero assist features. Interestingly enough, the 2018 Buick LaCrosse features active upper and lower shutters up front enhancing the aerodynamics.

2017 Buick LaCrosse

New eAssist system, coupled with the 2.5-liter four-cylinder can provide up to 19 percent better fuel efficiency. Compared with the V6 model that is. While Buick did not disclose the numbers, it is safe to assume that the new Buick LaCrosse eAssist Hybrid will manage 25 (ish) mpg’s on the roads.

2018 Buick LaCrosse V6 Also Gained Some Upgrades

2017 Buick LaCrosse

This is not all, however. The V6 model received an all-new 9-speed transmission totally ditching the nine-speed automatic from the equation. All-wheel drive is available on the lesser models as well (like the Essense). Also, the LaCrosse can be finished in more colors than ever. Buick added Satin Steel Metallic, Dark Slate Metallic, and Red Quartz Tintcoat.


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Safet Satara

I do not have spare time. All there is is car time. 12 years and counting. I am a Central European gearhead, but you are probably thinking - aaa a disposable Borg drone! Well, actually, I like to dress up like James Bond too. The only thing I need to be him is an Aston Martin (and I love DBS more than DB5 because, reasons). That's something I guess.

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