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Cold start comparison: 2020 Alfa Romeo Giulia Quadrifoglio vs. 2013 Dodge Challenger SRT8

The 2020 Alfa Romeo Giulia Quadrifoglio is a five-seat, compact luxury sport sedan packing 505 horsepower thanks to a 2.9-liter twin-turbocharged V6. My personal 2013 Dodge Challenger SRT8 392 is ... well ... not. It's a full-sized muscle coupe whose iron-block 6.4-liter V8 makes 470 hp in the very traditional way: it's freakin' huge, like everything else about the car.  On paper, these two have nothing in common beyond the fact that they were built by the same multi-national manufacturing entity.  But if paper were the be-all and end-all of automotive rankings, everybody would buy the same car. And we don't, especially as enthusiasts. Whether it's looks or tuning or vague "intangibles" or something as simple as the way a car sounds, we often put a priority on the things that trigger our emotions rather than setting out to simply buy whatever the "best" car is at that particular moment.  So, what do these two have in common? They both sound really, really good. Like looks, sounds are subjective. While a rubric most assuredly exists in the world of marketing (attraction is as much a science as any other human response), we have no way of objectively scoring the beauty of either of these cars, and the same applies to the qualities of the sound waves being emitted through their tail pipes.  But we can measure how loud they are. In fact, there's even an app for that. Dozens, as it turns out. So, I picked one at random that recorded peak loudness levels, and set off to conduct an entirely pointless and only vaguely scientific experiment with the two cars that happened to be in my garage at the same time.  For the test, I opened up a window and cracked the garage door (so as not to inflict carbon monoxide poisoning upon myself in the name of discovery), and then placed my phone on a tripod behind the center of each car's trunk lid. I fired each one up and let the app do the rest. I then placed my GoPro on top of the trunk for each test so that I could review the video afterward for any anomalies.  I started with the Challenger. The 6.4-liter Hemi under the hood of this big coupe is essentially the same lump found under the hood of quite a few Ram pickups, and it has the accessories to prove it. Its starter is loud and distinctive. Almost as loud, it turns out, as the exhaust itself. As its loud pew-pew faded behind the V8's barking cold start, we recorded a peak of 83.7 decibels. In the app's judgment, that's roughly the equivalent of a busy street.

Mopar unveils Dodge Challenger Drag Pak [w/video]

Dodge is going drag racing, and it's doing it with an all-new version of the Challenger for NHRA's Sportsman class. FCA's Mopar parts and performance arm announced the new Challenger Drag Pak Friday, showing off a version with a 354-cubic-inch (that's a 5.8-liter, by the way), supercharged V8 and a 426-ci (7.0-liter), naturally aspirated V8 – both Hemis, of course – that can get the big coupes through the quarter-mile in "the eight-second range." While the two engines deliver similar performance, at their base, they're quite a bit different. The supercharged model uses a cast-iron block, while the 426 has aluminum for both the block and head. That said, both models get customized engine calibrations, and are mated to unique, race-spec automatic transmissions. But drag racing is about far more than just outright power. Mopar significantly updated the four-link rear suspension, adding a four-inch rear axle from Strange Engineering, along with an aluminum, nine-inch third member, while the rear-axle housing has been strengthened in general. Both the rear shocks and front struts can be adjusted for rebound and compression, too. Lightweight 15-inch wheels, meanwhile, are shod in super-sticky Hoosier drag radials, with nine inches of tread in back and 4.5 inches in front. The new Challenger Drag Pak should run the quarter-mile in "the eight-second range." In the cabin, there's an NHRA-spec roll cage, a Racepak gauge cluster, and a handsome pair of Sparco racing seats. Outside, supercharged models get blue decals, while naturally aspirated varieties get black stickers, although there's more to the new Challenger dragster's exterior than just its decals. Mopar tweaked the big-scoop hood, promising it's easier to get up to check on the engine, and the designers also added trailer tie-down straps in both the front and rear. While the dragster was the big news today, Mopar officials also announced the two enhanced Scat Pack kits for both the Dodge Charger and Challenger R/T. The 5.7-liter Hemi models gain an extra 56 horsepower and 30 pound-feet of torque in the Scat Pack 2 thanks to a new cam, valve springs, pushrods, and gaskets. The Scat Pack 3, meanwhile, adds 75 hp and 44 lb-ft, on top of the gains from the lower packages. That should be perfect for drivers who wish to snort in the face of their SRT 392-driving friends. The third stage adds a ported cylinder heads, as well as high-flow manifolds and catalysts.

Dodge Durango Shaker concept: A 392 V8 in front of six Viper seats

When done right, a parts-bin special can be a beautiful thing. This Dodge Durango Shaker concept for the 2016 SEMA show is one such vehicle, and it's easily our favorite Mopar debuting in Vegas. The key, of course, is pulling from the right bins. Take a tour and you'll see Charger, Challenger, and Viper pieces grafted onto this slick crossover. The featured special part is the big, 6.4-liter 392 Hemi V8 that's been dropped under the hood; it's sourced from the SRT Challenger and Charger where it makes 485 horsepower and 475 pound-feet of torque. With that in place, the fabricators cut a big hole in that hood for the Challenger's awesome optional shaker scoop. It wasn't an easy installation; it required a custom spacer for the intake to make sure everything lined up with the hole properly. View 17 Photos Apparently there were some Viper seats lying around, so six of them were stuck into this Durango. Makes sense. It does lose a bit of people-carrying capability as a result, since only two seats fit in each row, and the seats don't fold for extra cargo room. A Dodge spokesperson attested to the fact that all three rows are usable, if not totally comfortable. But then stock third-row seats aren't always that comfortable anyway. Seriously, though, Viper seats. We don't care how comfortable or usable the result is. Although you might not give it a second thought, even the fuel filler needed some special attention. This piece was also lifted from a Dodge Challenger, and it was taken along with the surrounding sheet metal. Because of the different orientation of the filler cover on the Challenger, the builders decided the easiest way to get it to fit was to chop the fuel filler section out and weld it onto the Durango. The designers also put a little blue Stig on the cover. And those are just the cool parts that were hard to install. This Durango features plenty of other slick details, like the custom bumpers, fender flares, and side skirts. Everything is painted B5 Blue with matte black and carbon accents all around. Up front, the bumper hides a pair of fog lights stolen from a Challenger Hellcat – and yes, they're the ones with intakes in the middle. The grille is also a custom piece, losing the standard crosshair design for better airflow. The fender flares cover up some seriously wide, 305-section tires at all four corners, which are hauled down by Hellcat brakes. The rear bumper bumper contains a stylish center-exit exhaust with dual tips.