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FCA's Pentastar V6 gets more power, efficiency for 2016

Already a vital member of FCA's powertrain lineup, the 3.6-liter Pentastar V6 is receiving major efficiency improvements for 2016. Thanks to a massive amount of new tech attached to the mill, fuel economy is up six percent, and torque below 3,000 rpm jumps nearly 15 percent. The updates arrive first in the 2016 Jeep Grand Cherokee, but they should proliferate to other models eventually. At least in the Grand Cherokee, the tweaks push power up five horsepower to 295 ponies. FCA's engineers went through the Pentastar from top to bottom to eke out as much efficiency as possible. For example, there's now a two-speed variable-valve lift system that can run in low- or high-lift modes. This upgrade is responsible for 2.7-percent better economy, the company claims. A new intake manifold with longer runners and updated variable-valve times also helps boost the torque output. Further improvements come from pushing the compression ratio to 11.3:1, from 10.2:1 before. Perhaps most impressive is that despite all of the innovations, the latest Pentastar actually weighs four pounds less than the current version. Beyond the Pentastar improvements, all of the FCA US gasoline engines, except for the Viper's 8.4-liter V10, will be E15-compatible for 2016. The company says that it wants to be ready for the higher ethanol content fuel's greater use in the near future.

Jeep Grand Commander three-row crossover SUV revealed in Beijing

Jeep has finally revealed its first three-row SUV since the Commander, and the new one is called, as we expected, Grand Commander. And it looks just like we expected from leaked images and patent drawings. It pulls a bit of inspiration from the Jeep Yuntu concept, but it generally looks like a much bigger, stretched-out Compass. We do see a bit of Renegade inspiration in the D-pillar, though. Interestingly, the Grand Commander isn't really bigger than our Grand Cherokee. The Grand Commander is just under 192 inches long, which is only 2 inches longer than the Grand Cherokee. But the Grand Commander's wheelbase is four inches shorter. It's also about two inches narrower than the Grand Cherokee. This is all interesting considering the Grand Commander's greater passenger capacity. Also interesting is the Grand Commander's powertrain. It's only available with a turbocharged 2.0-liter four-cylinder, likely lifted from the Jeep Cherokee and Wrangler. If so, it's been detuned, and it now makes just 231 horsepower and 258 pound-feet of torque as opposed to the 270 horsepower and 295 pound-feet in the other Jeeps. The Grand Commander's four-cylinder is also paired to a nine-speed automatic, and it can be had with either two-wheel or four-wheel drive. The question of course is, will the Grand Commander come to America? It would fill a gap in the Jeep lineup, since the brand has no three-row vehicles. There have been many rumors of a three-row Jeep, possibly called Grand Wagoneer, as well as Grand Commander prototypes running around the U.S. But the size of the Grand Commander has us questioning whether it would be brought here, or if Jeep would develop a larger three-row, maybe based on Durango, for our market. Related Video: Featured Gallery Jeep Grand Commander View 10 Photos Image Credit: Jeep Beijing Motor Show Jeep Crossover SUV

Jeep Wrangler EcoDiesel, Porsche Cayenne E-Hybrid and Tesla Cybertruck | Autoblog Podcast #606

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and Associate Editor, Joel Stocksdale. With their powers combined, they create a great episode full of driving impressions from the Jeep Wrangler EcoDiesel, Porsche Cayenne E-Hybrid and BMW X6 40i. They return to the topic of the Ford Mustang Mach-E before diving into the Tesla Cybertruck and a future without Buick sedans. Finally, they help a listener choose a new, sporty sedan in the "Spend My Money" segment. Autoblog Podcast #606 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving: 2020 Jeep Wrangler EcoDiesel 2019 Porsche Cayenne E-Hybrid 2020 BMW X6 40i Ford Mustang Mach-E (Watch the ride-along here) Tesla Cybertruck Bye to Buick sedans Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: