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Future Polestar Volvo models could feature diesel, EV tech

Volvo's Polestar sub-brand has made the transition nicely from being the company's racing arm to building some seriously cool, Swedish cars. Now that it has a few models under its belt, it plans to grow larger and greener. The next-generation of Polestar-tuned vehicles are rumored to include high-performance hybrid and diesel powertrains.
While it still doesn't have the brand recognition of BMW M or Mercedes-Benz AMG, Polestar is on the growth path. It's representatives recently told Autoblog that its latest, tuned S60 and V60 models "mark the start of an extended production car model range." In addition to that expansion, Volvo has given its performance division a greater responsibility for engineering future vehicles, according to Autocar. It even helped develop the new Drive-E engine, which we quite liked when we took it for a spin in an S60.
Polestar's boss hinted at a hybrid model to Autocar, a move that seems obvious once you think about it. The Drive-E engine was designed from the beginning to accept hybrid layouts. The division's plan is to put and electric motor on the rear axle to both increase torque off the line and provide all-wheel drive. As Drive-E also offers diesel variants, that is in the cards as well for the future, but the company didn't go into much detail. Polestar appears to be the upcoming shooting star of the performance car world.

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.

2015.5 Volvo S60 and V60 Polestar [w/video]

Polestar Performance has been around since 1996, but until recently, it only did two things: manage Volvo motorsports operations and run a specialist consumer-facing side that built concept cars and boosted Volvo's turbocharged production cars by 15 to 60 horsepower. Five years ago, it fulfilled its long-held desire to engineer an actual production car, first creating the C30 Polestar Performance Concept, a showcar that led to the C30 Polestar Limited Edition.
That foray led to the berserker, 508-horsepower 2013 S60 Polestar Concept that Auto Motor und Sport called "a hard slap in the face to the Germans," and that model led to the limited-edition S60 Polestar production car just for Australia, a car reviewers swooned for, with one comparing its chassis finesse to the Ferrari 458 Italia.
All of which is to say, Polestar has a good start for a motorsports and tuning company to make good on its production car dreams. The 2015 Volvo S60 Polestar and V60 Polestar keep that momentum going, and beautifully at that.