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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 unveils all-new user interface destined for next-gen XC90 [w/video]

Take a close look at the cabin of the Volvo Concept Estate shown above. One of the big features on the fancy, brown shooting brake is an all-new user interface called, well, it doesn't really have a name, at least not one Volvo is revealing.
The refreshingly nameless system looks seriously impressive based on the short video that accompany's the system's press release. The jewel of the whole interface is a sizable touchscreen that manages most every in-car function save for a few vital functions like volume, hazard lights and other systems that still demand a more tactile interface.
"The basic idea is to organize controls and information in a perfectly intuitive and user- friendly way. Everything is exactly where you expect it to be, making the drive more enjoyable, efficient, and safe," Thomas Ingenlath, Volvo's Senior Vice President of Design, said in a statement.

Polestar looking to tune Volvo CUVs

Volvo is getting serious about emerging from the fringes and into the mainstream of the luxury automobile market. But if it's going to challenge the Germans, it's going to need a performance line. And that's just what it's developing with Polestar.
Building on the motorsport partnership that has seen Polestar represent Volvo in the Scandinavian Touring Car Championship, World Touring Car Championship and V8 Supercars series, Polestar has been charged with developing road-going performance Volvos as well. It currently offers comprehensively tuned versions of the S60 and V60, as well as engine upgrades for other models, but the latest word has it that Polestar will turn its attention next to tuning Volvo crossovers like the XC60 and the new XC90, pictured above in top-spec R-Design trim.
Details on how Volvo would modify those models remain to be determined, but it wouldn't be much of a stretch to imagine the XC60 outfitted with similar enhancements to those offered on its sedan and wagon stablemates to mount a challenge to the Audi SQ5. As for the larger XC90, it seems Volvo is already squeezing as much out of its new 2.0-liter triple-charged inline-four as it can, but more aggressive handling, aero and brakes could stand to transform the flagship crossover in pursuit of performance utes like the Mercedes ML63 AMG and BMW X5 M, even if it couldn't quite match their impressive horsepower outputs.