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Volvo XC90 Coasting Transmission Deep Dive | How, when and why of coasting

In our recent 2021 Volvo XC90 Recharge review, its turbocharged-supercharged-hybridized powertrain delivered impressive horsepower and fuel economy. But Volvo has one additional trick up its sleeve, propelling a car with power that's simpler, cheaper and all-natural: It's the power of momentum and gravity. I've always been halfway to a hypermiler. I'm not obsessive about it, but in city driving, I enjoy timing stoplight approaches to keep the wheels rolling and avoid the inertia of restarting from a stop. There's little point to needlessly racing and braking between red lights, wasting kinetic energy (and therefore fuel). So I tend to drive strategically instead, often catching up with the drivers who jackrabbit but get hung up at the lights. And, back when I owned a long line of vehicles with manual transmissions, I coasted. Coasting used to be slightly controversial. Some claimed it doesn't actually save gas, though my mileage calculations showed otherwise. Another school of thought insisted that removing engine braking from the equation, even momentarily, constitutes a dangerous loss of control. Of course, an experienced driver can slip a manual transmission back into gear in a flash when engine braking's actually needed. And one should always use some common sense and judgment about when and where to coast. I'm not talking about careening down a 15% grade into a school zone.  Anyway, those arguments became moot when automatic transmissions pretty much took over. (And no, never coast with a typical automatic transmission. Even if it weren't damaging to your type of automatic — but assume that it is — the risk of screwing up a nudge of the shifter from drive into neutral is too great.) XC90 Recharge 8 View 18 Photos But happily, some automakers in recent years have added a coasting feature to their automatics, with the aim of eking out more fuel efficiency. Volvo calls the feature on its Aisin eight-speed "Eco Coast." Some Mercedes, BMWs and others call it "sailing" or "gliding." The Hyundai Ioniq, Ford Mustang Mach-E and Polestar 2 are among EVs that allow you to cancel out all regeneration and freewheel downhill. And future cars such as the BMW iX are also being designed to do it. By building coasting into the clockworks, automakers have taken any traffic safety concerns out of the question, because the car will instantly switch you back into gear when needed.

Volvo Concept XC Coupe is ready to hit the slopes

There's something inescapably right about a Swedish car with a set of skis on its roof. It doesn't matter if it's a Jurassic-era Volvo Amazon, a Saab 900 Turbo, or even a Koenigsegg Agera R. Surely it's some sort of Scandinavian birthright... right along with immaculate complexion. The latest to carry on that tradition in fine form? The Volvo Concept XC Coupe, just released at this week's Detroit Auto Show.
The two-door, four-seat XC Coupe rolled onto stage here at Cobo pre-outfitted with a matching ski box, looking sharp on its 21-inch wheels. According to Volvo, the box isn't an afterthought - in fact, the XC Coupe's design itself was "inspired by modern sports equipment."
As for the rest of the concept's genetic makeup, at this point, we don't have much to go on. Volvo has admitted that the XC Coupe rides atop its new boron-steel-intensive Scalable Product architecture, but it has declined to outline any sort of powertrain details. We're not sure if this showcar has any production future, but we do expect for its design language to inform the next-generation XC90 crossover.

Volvo launches XC90 configurator site

In many ways the 2016 Volvo XC90 defines the future of the Swedish brand. The SUV is the introduction of the company's Scalable Product Architecture modular platform that should underpin most of its future models. It's also the first big chance to see whether consumers accept a model like this that's only available with four-cylinder power, granted a mill that is both turbocharged and supercharged. The configurator for this Swedish hopeful is just hitting the Web giving customers a chance to see what they think.
The only available powertrain on the XC90 at the moment is the 2.0-liter Drive-E with 316 horsepower and 295 pound-feet of torque, an eight-speed automatic transmission and all-wheel drive. The base price starts at $48,900, plus $925 for destination, but that number can balloon quite quickly. Upgrading to the R-Design package tacks on $4,000 or the even plusher Inscription package adds $5,600.
Furthermore, there are several option packages to add some extra tech and comfort to the SUV. The Vision Package with a backup cam is an extra $1,600, two versions of the Climate package to keep occupants warm come to $1,050 and $1,950, respectively, and the Convenience Package that includes adaptive cruise control adds $2,000. Depending on trim, there are up to 13 colors available in an attractive variety, although all but two add $550 to the price. There are also a wide variety of leather upholsteries to choose from.