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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.

2022 Detroit Auto Show Editors' Picks

As tends to be the case in this post-ish-pandemic world of auto shows, the North American International Auto Show was a strange one. It was at least mostly indoors and thus not at the mercy of Mother Nature. And unlike that first Chicago Show following the initial pandemic shutdown, this one was all assembled before the media arrived. Even with a much thinner show floor, the Detroit Auto Show still gave us a number of noteworthy reveals. Now, full disclosure, the rules for our Detroit picks were made a little more flexible, since some of these vehicles were revealed a little before the week of the show. But we still focused on vehicles that were making their show debut, and were actually present on the floor. Sadly, that means we had to leave out the Jeep Recon and Wagoneer S electric SUV concepts. Odds are, those would've made it into our list of the top five if they had actually been on display. Now, on to the winners. 2023 Jeep Wrangler Willys 4xe View 18 Photos 5. 2023 Jeep Wrangler Willys 4xe This was an easy one. While there's nothing so remarkable about the Willys that it makes this package a must-buy, it's nice to see another model available with the 4xe powertrain. Just one question, though: Where was the Recon? – Byron Hurd Chevrolet Blazer EV View 7 Photos 4. 2024 Chevy Blazer EV As a fan of the K5 and S-10 Blazer generations, I was a bit bemused when the current-gen crossover came out ... until I drove it and realized how good it actually is. Now that there's a Blazer EV incoming, I feel like I can become a true fan again. And there's a lot for fans to appreciate: FWD, RWD and AWD versions, and even a 557-horsepower SS variant. In a lineup of practical, Ultium-based Chevy utes, it's good to see an attainable product that enthusiasts can get behind — along the lines of Ford with its Mustang Mach-E — while we wait for an electric Corvette. — Senior Editor, Green, John Beltz Snyder 2023 Chrysler 300C View 28 Photos 3. 2023 Chrysler 300C In a poignant press conference with the Spirit of Detroit statue in the background, Chrysler sent its flagship 300 out properly with a 6.4-liter Hemi V8. Stellantis design chief Ralph Gilles articulated the car's successes — its many awards and sterling reviews from its early days — and the cover came off with a veritable 300C hot rod on display. One more time, the 300 is at full strength. To be clear, this isn't the 300S with an available 5.7-liter.

Stellantis reveals STLA Large platform with EV and ICE support

Hot on the heels of a Jeep Wagoneer S teaser and photos of the prototype next-generation Dodge Charger (or Challenger), comes a reveal and details of what will likely underpin both of them: the STLA Large platform. It's one of multiple Stellantis flexible architectures that will be the basis of its upcoming electric cars, and apparently internal combustion ones, too. Stellantis says the STLA Large platform will be for D- and E-segment cars, crossovers and SUVs. In other words, it will be for midsize and large vehicles. For reference, lengths supported will be from 187.6 to 201.8 inches, and width will range from 74.7 to 79.9 inches. It will be highly flexible, too, with Stellantis claiming significant amounts of adjustability in overhangs, wheelbase, suspension placement and powertrain arrangement. The powertrain flexibility is quite impressive. Front-, rear- and all-wheel-drive layouts will be supported. Single- and dual-motor layouts will be on offer. Internal combustion will be available, too, either on its own or as a hybrid. Apparently engines can be fitted either longitudinally or transversely, too. Battery packs with between 85 and 118 kWh of capacity will be offered, with Stellantis claiming that sedan-style vehicles could have a range of up to 500 miles. The packs will also be available in 400- and 800-volt designs. Stellantis noted also that the platform can "easily accept future energy storage technologies when they reach production readiness." This seems to hint that the company is looking at different battery chemistries and maybe even solid-state batteries that could be added more easily in the future. Furthermore, the platform is designed to handle impressive output. Stellantis says that some models on the platform will have 0-to-62 mph times in the 2-second range. Limited-slip differentials for improved power delivery and wheel-end disconnects for reduced mechanical drag are also on the table for this platform. All of these details fit well with the information previously given for the concept Dodge Charger Daytona Banshee and Jeep Wagoneer S. The former was previewed with both battery voltage architectures and a wide range of electric powertrains with between 456 and 670 horsepower depending on specification and upgrades. And that's just for the 400-volt system; the 800-volt option wasn't detailed. We've also seen photos of the Charger chassis seemingly with provisions for gas engines, likely versions of the Hurricane I6.