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2019 Jeep Renegade, Fiat 500X fuel economy revealed, slightly improved

The 2019 Jeep Renegade and Fiat 500X twins each get a new engine option, a turbocharged 1.3-liter four-cylinder. At 177 horsepower and 210 pound-feet of torque, it's substantially more potent than the 160-horsepower turbocharged 1.4-liter engine it replaces, and nearly matches the naturally aspirated 2.4-liter engine for power while beating its 175 pound-feet of torque. But we haven't known until now is how the new engine fares in terms of fuel economy. The numbers are a little tricky to parse, since both the Jeep and Fiat have changed what transmissions are available, as well as what combinations of engine and driveline are offered. We'll start with looking at the Jeep Renegade. It offers both the new turbo engine and the old 2.4-liter engine, but the manual transmission is gone, and the Renegade Trailhawk gets the turbo engine instead of the naturally aspirated one. All the numbers are below. Overall, the new turbo engine coupled with front-drive and the standard nine-speed auto returns better fuel economy than even the old manual-equipped combo. Both all-wheel-drive models do worse, though, with the automatic and the new engine than with the old engine with a manual. The new turbocharged Trailhawk also doesn't do as well on the highway as the old model, but does better in town. Fuel economy is unchanged for the 2.4-liter versions of the Renegade. 2019 Fiat 500X View 11 Photos The Fiat 500X range is simpler to follow, since only one variant is available now: the turbo 1.3-liter engine with all-wheel drive and an automatic. It's not quite as frugal as the fuel-sipping manual, front-drive turbo model from last year, but it does offer noticeable gains over the 2.4-liter versions. All the numbers are below.

500+ hp Stellantis 'Hurricane' I6 previews a world without Hemis

After years of rumored development, Stellantis has revealed its new six-cylinder engine family. The 3.0-liter, twin-turbocharged "Hurricane" I6 will offer V8 power, forced induction torque and six-cylinder efficiency in a package designed to fit into any of the company's North American rear-wheel-drive platforms.  What is "V8 power," exactly? Well, in standard output guise, the new I6 cranks out more than 400 horsepower (the specific figure will vary by application) and 450 pound-feet of torque, while the high-output variant is good for more than 500 horses and 475 lb-ft. The final figures will be dependent on the application. We'll save you a little legwork: In current Ram, Jeep and Dodge products, the 5.7-liter Hemi tops out at about 395 hp and 410 lb-ft, give or take, and the 6.4-liter around 485 hp and 475 lb-ft.    This is a clean-sheet design that is only related to the company's turbocharged four-cylinder by some common measurements. The I6 is exclusively direct-injection (no hybrid/port-injection here) and the two I6 variants share 96 common parts, including the block and oil pan design. The differences are found in their internals, intake plumbing, valvetrain components and the turbochargers themselves. Stellantis is not yet ready to share specs or supplier info for the turbos but says announcements will come from its partners soon.  The standard-output I6 has a compression ratio of 10.4:1 and revs to 5,800 rpm. It will run on regular fuel, albeit with reduced performance; 91 octane is recommended for maximum output. The high-output variant has a compression ratio of 9.4:1 and will rev to 6,100 rpm. That one will require premium. The new I6's advantages go beyond basic power output. Every Hemi family engine currently in production is based on an iron block design, so they're heavy. The aluminum-block I6 shaves weight off the total engine package, even if some of that gets added back thanks to the turbos and their associated plumbing. The standard-output I6 weighs 430 pounds, Stellantis engineers told us; the high-output adds just another 11. Fully dressed 5.7-liter V8s are in the 550-560-pound ballpark, and 6.4-liters close in on 600 pounds.  You may be wondering, "Why a clean-sheet gasoline engine now, when the industry is moving toward battery-electrics?" A valid inquiry, and one Stellantis was prepared to address. While the company will be pivoting to electrification over the next decade, it won't be instantaneous.

Jeep Renegade sales being held due to powertrain issue [UPDATE]

UPDATE: An unnamed FCA US source has clarified to Automotive News that while there is a software issue, it does not concern the transmission. The Jeep Renegade appears to be facing early software problems that are similar to the ones at the introduction of the Cherokee a few years ago. The issue is keeping the brand's latest compact crossover away from dealers until the situation can be resolved. The fault reportedly deals with the software controlling the Renegade's nine-speed automatic transmission. FCA CEO Sergio Marchionne briefly talked about what was happening in an interview with Automotive News. "I'm having a very bad engineering day," he said. "It's a combination of attributes of that vehicle that is making my life horrible." The company boss predicted at the longest it could take until mid-June to fix things. Through April, Jeep has sold 5,157 Renegades, including 4,214 of them in that month alone. Autoblog reached out to an FCA US spokesperson to learn more about the software problem, but the company had no comment. Getting the software right to control the nine-speed automatic plagued development of the Cherokee. The issues delayed the model's launch in 2013, and the company was still releasing improvements for some vehicles this year.