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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.

2018 Jeep Wrangler spied looking more aerodynamic

We're getting an early look at one of the most anticipated vehicles from Jeep: the next-generation Wrangler. We expect it to arrive for the 2018 model year and be aluminum-intensive for purposes of weight savings, which will improve fuel economy. The platform is expected to remain a traditional body-on-frame setup, and manufacturing will remain at its longtime Toledo, OH, factory. The design appears true to the Wrangler's heritage, though the windshield is raked back more to make it less brick-like when cutting through the air. From some angles, the front end appears longer if you squint properly, and the front fenders seem wider and squatter than the current model's. There's probably more in store for the new Jeep, but this prototype is under such heavy cladding it's impossible to tell what. Kudos to the folks who make those vinyl coverings. Look for the powertrain to again include a Pentastar V6, this time paired to an eight-speed automatic transmission – again for fuel economy, but also to improve the powertrain's flexibility. A V6 turbo diesel and a mild- hybrid variant are also expected. Even with all these departures from the long-running Wrangler playbook, the off-road capability will remain the vehicle's calling card. The current Wrangler will also be built concurrently with this next-gen model for a time in Toledo, Automotive News reports, giving enthusiasts and traditionalists the best of both worlds. Jeep will also add a pickup based on the Wrangler's underpinnings to its portfolio in a move to capitalize on the resurgence of smaller trucks. The Wrangler is both the halo and centerpiece of the remade Jeep lineup, which quickly is becoming one of Fiat Chrysler's pillars for sales and prestige around the world. Jeep hopes to sell 2 million vehicles globally by 2018. Related Video:

Autoblog Podcast #523 | BMWs, Trackhawk and Mazda's new engine technology

On this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Associate Editor Joel Stocksdale. We discuss a couple of BMWs, the upcoming BMW X7 three-row SUV and our short-term BMW M760i with a turbocharged, 600-horsepower V12. We also cover the week's news, including Mazda's nifty engine technology it will roll out in the next few years, as well as pricing on the new Jeep Grand Cherokee Trackhawk. The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want buying advice of your very own, send a message or a voice memo to podcast@autoblog.com. (If you record audio of a question with your phone and get it to us, you could hear your very own voice on the podcast. Neat, right?) And if you have other questions or comments, please send those too. Autoblog Podcast #523The video meant to be presented here is no longer available. Sorry for the inconvenience.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 Topics and stories we mention Rundown BMW X7 Spy Shots Volkswagen Passat GT Mazda's future engine technology Jeep Grand Cherokee Trackhawk Pricing BMW M760i driving Ram 2500 driving Spend My Money Feedback Email – Podcast at Autoblog dot com Review the show on iTunes