2007 Volvo Xc90 3.2l I6 Awd $44k Msrp! Premium! Convenience! 1ownr! Loaded! Wow! on 2040-cars

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Volvo specs new 450-hp triple-charged four-cylinder engine

When Volvo lifted the veil on the new XC90 a little over a month ago, it announced that all versions would be powered by one engine design: a new 2.0-liter four-cylinder to be offered in various states of tune. That would range, Volvo said, all the way up to a high-output version with "around 400 horsepower," but while it wouldn't specify exact output, now it has.
The new High Performance Drive-E Powertrain incorporates two parallel turbochargers fed by a third electric turbo-compressor. Instead of feeding the cylinders directly, that third unit spools up the twin turbochargers, working together with a dual fuel pump pressurized to 250 bar.
The result is an output of 450 horsepower - far more than the existing 320-hp version and even more than expected. That also works out to 225 hp/liter, far more than the 177 hp/liter boasted by Mercedes-AMG's high-output turbo four and the 139 hp/liter in the Alfa Romeo 4C. Short of a rotary engine (whose actual displacement is the subject of great debate), you'd have to go up to something like the Koenigsegg One:1 (268 hp/liter) to find a higher specific output than what Volvo's boasting here.

Volvo details upcoming XC90's new scalable platform

In two weeks' time, we'll be boarding a flight for Stockholm for the live reveal of the new Volvo XC90. But before we do, Volvo has revealed another round of salient details regarding not only its new crossover, but a whole range of new vehicles to share its architecture.
That platform is called Scalable Product Architecture, and it follows the latest industry trend towards modular platforms. The product of four years' development, the new platform uses high-strength boron steel to optimize weight and rigidity. The scalable architecture, set to underpin the next-generation S60, V60, XC60, S80 and anything larger, offers designers more flexibility in terms of proportions. It can be adapted to a wide range of vehicles of different shapes and sizes, designed from the get-go to incorporate a range of powertrains (including the XC90's new twin-charged hybrid system) and all the latest safety technologies you'd expect from a Volvo.
The XC90, Volvo has revealed, will also offer increased interior flexibility, with movable second and third rows to optimize cargo space and legroom as needed. That third row is designed to accommodate children (or small adults) up to five-foot-seven. Meanwhile the image inset above gives us our first glimpse at the new XC90's styling, with T-shaped running lights inspired by Thor's hammer.

Volvo developing new three-cylinder engine family

Pop the hood on a Volvo of recent vintage and you'll find four-, five-, six- and even eight-cylinder engines. But the Swedish automaker is downsizing its engines over the coming years. The new XC90, set to be revealed later this week, will use a new family of four-cylinder engines (like the one pictured above). But that's not even the end of it as emerging reports speak of a new three-cylinder engine family in the works.
The new 1.5-liter turbocharged three-cylinder engine will, according to reports, help Volvo further cut its carbon emissions in line with constricting regulations in markets like Europe and Australia. There won't be quite as many versions as the four-cylinder range, which will include gasoline and diesel versions in varying states of tune, but the three-pot motor is tipped to be employed in vehicles as large as the S60 and its stablemates. Larger than that, however, and the three-cylinder engine apparently just doesn't have the necessary torque.
Expect the new three-cylinder engine to be introduced sometime later this decade, after the four-cylinder's introduction in 2016. The three-cylinder engine is also set to form the building block of an even more efficient hybrid propulsion system in the future, enabling this new engine family to stay relevant through 2025.