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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.

2015 Jeep Renegade to start at $17,995, Trailhawk rings up at $25,995

Prices for the 2015 Jeep Renegade have leaked onto a enthusiast forum ahead of the official embargo on pricing and driving impressions, which breaks at 12:01 AM Friday. They come from a video interview with Jeep CEO Mike Manley, that was allegedly set live accidentally. It's since been pulled down. At this point, it's unclear if the listed prices include any destination charges, so they could climb slightly higher or lower. In its most basic form, the two-wheel-drive Renegade Sport will go on sale for just $17,995. For that price, you get, um, not a lot. Really. The entry level Renegade doesn't even offer standard air conditioning – it's part of a package that includes heated power mirrors and cruise control. The $21,295 Latitude adds a leather-wrapped steering wheel, standard 16-inch wheels, air conditioning, five-inch touchscreen infotainment system with Bluetooth, a six-speaker stereo and USB connectivity. The top-end Renegade Limited, meanwhile, starts at $24,795 and makes standard items of the heated, powered leather seats, dual-zone climate control, seven-inch TFT display in the instrument cluster, auto-dimming mirror and 18-inch wheels. The Limited also adds a number of aesthetic tweaks that spruce up the Renegade's exterior, including brightwork around the grille, mirror caps, taillights and roof rails. The above prices, of course, are only for the front-drive Renegade. Add $2,000 to the above prices for all-wheel drive. You won't need to add that to the all-wheel-drive-only Trailhawk, which starts at $25,995 and comes with a slew of off-road features, including a bespoke front and rear fascia, with the former sporting the world's most adorable pair of red tow hooks. Mechanically, there's an exclusive version of the brand's Active Drive all-wheel-drive system that includes a 20-to-one crawl ratio and a dedicated Rock mode for the Selec-Terrain system and 17-inch wheels. The cabin, meanwhile, is home to Ruby Red accents. While we have basic trim prices, we're still without more specific details, including the cost of marquee options like the My Sky roof, as well as the plethora of options packages that will be available when the CUV arrives in dealers. We'll have our full review of the all-new Renegade available when the embargo on driving impressions breaks Friday. In the meantime, let us know what you think of these prices. Are they where you expected them to be? Higher? Lower? Have your say in Comments. Related Video:

Watch a Cayenne Turbo S, Range Rover SVR, and Cherokee SRT drag race

We live in a weird world where high-performance SUVs could win a 60-mile-per-hour sprint against sports cars from just a few years ago. Here, Top Gear sets up a three-way drag race against the Porsche Cayenne Turbo S, Land Rover Range Rover Sport SVR, and Jeep Grand Cherokee SRT, and the results show just how quickly these high-riding models can cross the quarter mile. The Cherokee SRT is the patriotic choice among the three, but it's down on power in this fight. Meanwhile, the Range Rover's menacing growl sounds the best, and the Cayenne Turbo S has the most horsepower. You'll have to watch the video to see which SUV will win this battle. Related Video: