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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.

2019 BMW X7 vs luxury SUV rivals: Comparing specs and photos

Today we get our first-ever look at the first-ever 2019 BMW X7 crossover. We've actually already had our first-ever drive in an X7 Prototype. And so, we thought it appropriate to follow that up today with the first-ever X7 comparison of specs between BMW's first-ever three-row crossover with legitimate room for seven and its many high-dollar competitors. On paper, the 2019 X7 definitely seems to most closely align with the Mercedes-Benz GLS-Class. Their similar dimensions, interior space, engine choices and price would certainly imply where BMW placed the target when developing X7. We used those same elements to determine three-row vehicles likely to be cross-shopped or that should be cross-shopped. These include the Audi Q7, Land Rover Discovery, Volvo XC90 and Lincoln Navigator. Yes, the latter is a truck-based SUV as opposed to a crossover, but tell that to all the people lining out the door at the local Lincoln emporium. They do not care, and neither shall we. We also included the 2019 BMW X5, which was completely redesigned for this year and therefore not the first-ever. That makes it less appealing? Either way, lining the new X5 up with the SUV that leapfrogs it atop BMW's SUV hierarchy should provide a good idea of just how much more you get by going up a model number. Engines and model lineup Again, the X7 aligns closest with the GLS, offering a base six-cylinder in its xDrive40i model and an upgrade turbo V8 in the xDrive50i. The Mercedes engines have greater output, but the GLS still accelerates slower than the BMW. As the 2019 X5 offers the exact same engines, we would also expect the X7's fuel economy to be superior to the GLS once its estimates are announced. It should be noted, though, that the GLS offers a high-powered AMG model whereas we anticipate the X7 to offer a plug-in hybrid model comparable to the X5 upcoming xDrive45e model. The other luxury SUVs diverge in their engine choices and model lineup. The Audi Q7 offers a base turbocharged four-cylinder, as does the Volvo XC90 in its T5 model, which we left out of the above chart entirely for space reasons. That the Q7 3.0 TFSI supercharged V6 gets the same fuel economy estimates as the four-cylinder is proof positive that engine is purely around for its lower base price.

Limited-edition Volvo S60 Polestar priced at $59,300*, V60 at $60,900*

You saw their US reveal at this year's Chicago Auto Show and read our driving impressions from Sweden. Now, if you act fast, you can actually own one of the very limited 2015.5 Volvo S60 and V60 Polestar models coming to the United States. The order page for these slick Swedes is now online, but the slots are filling up about as quickly as these cars accelerate.
Volvo plans to build a combined 750 of these Polestar models for the world, but the US is being allocated just 120 of them. Prices start at $59,300 for the S60 or $60,900 for the V60 (*plus a $925 destination charge). The only option is color - either Black Sapphire or Rebel Blue. If rarity is playing a part in your decision, you might want to pick the S60. According to the reservation site, only 20 of the sedans in each color are making it over here; the rest are V60s.
As the top versions of their respective models, both Polestars are packed with features. They share a turbocharged, 3.0-liter inline six-cylinder engine rated at 345 horsepower and 369 pound-feet of torque with a six-speed automatic transmission and a rear-biased all-wheel-drive system. Acceleration to 60 miles per hour is claimed to take 4.7 seconds for the S60 or a tenth more for the V60 with a top speed of 155 mph. They are about more than just a hotter engine, though, with Öhlins shocks, six-piston brake calipers and 20-inch Polestar wheels with Michelin Pilot Super Sport tires. Check out the gallery for the full, official specs, and get to the order page soon, if you decide you need one of these limited Swedish sportsters.