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Automakers' sound systems: Crank it, don't yank it

Years ago, one of the first things most music lovers did after buying a new vehicle was drive to an aftermarket stereo shop to get the crappy stock components swapped for better gear. And you'd typically get not only better sound but also more bang (and boom) for your buck. But in the past decade or so, the overall quality of OEM audio has dramatically increased, while car electronics became more complex, removing the incentive for most new vehicle owners — and all but the most hardcore DIYer — to start from scratch. In 2010, I did a comparison of the average costs for OEM electronics vs. similar offerings from the aftermarket, and back then automakers' stock premium systems were by far the best bargain — and are probably an even better value now. The premium 14-speaker, 1,200-watt JBL system in the all-new 2019 Toyota Avalon is a prime example of this trend. It's standard on the top two Limited and Touring trims and is available as a $680 audio upgrade on the XLE and XSE. I doubt you can even buy 14 speakers and 1,200 watts of amplification from the aftermarket for 700 bucks, much less have it all installed. And because the system is bundled with Toyota's Entune infotainment system, Apple CarPlay and a surround-view camera, removing the head unit means you would likely lose these features. Another advantage of OEMs and their audio partners is they can design the car around the audio system. In the past, automakers would typically place speakers where convenient for packaging, not for optimal sound reproduction, and audio engineers were forced to compromise. But as with the Avalon's premium JBL audio system, this is starting to change. At a recent behind-the-scenes peek for media into the process of developing the system, Toyota and Harman engineers delved into the minutia of sealing the inner panel of the front doors to create an enclosure for 6x8-inch woofers, making space in the pillars for JBL horn tweeters and extensively measuring the acoustic properties of the interior to tune the sound to the space. I'm met some creative and skilled car stereo installers, but none with a degree in psychoacoustics. The system is also the first to feature Quantum Logic Surround that creates a multi-channel listening experience from two-channel sources. And it includes Harman's Clari-Fi processing that "rebuilds key details lost" in compressed audio formats used by streaming music services and MP3s.

BMW shows 670-hp plug-in 5 Series GT concept

BMW quietly revealed a 5 Series GT concept earlier this week at an event in France, and it sports a plug-in hybrid powertrain capable of a whopping 670 horsepower. Think the upcoming Model X crossover from Tesla sounds good? BMW has something that might be just as enticing for eco enthusiasts who like their cars to be green and mean. BMW quietly revealed a 5 Series GT concept earlier this week at an event in France, and it sports a plug-in hybrid powertrain capable of a whopping 670 horsepower. That's right, a hybrid BMW hatch-crossover with more estimated power than the 2015 Chevrolet Corvette Z06. BMW's setup is called "Power eDrive," and it uses a 20-kilowatt-hour lithium-ion battery pack that provides juice for two electric motors; they work with a 2.0-liter turbocharged four-cylinder engine. This 5 Series GT would be able to travel for 62 miles under electric power. The prototype shows the high-performance potential of the system, but the 5 Series GT is "purely a concept," BMW spokesman Julian Arguelles told Autoblog. The GT made its global debut alongside plug-in versions of the 3 Series and X5. They used more basic eDrive systems with one electric motor teamed with a turbo four cylinder. BMW revealed the prototypes to illustrate its plans to increase production of plug-in hybrids. Its goal is to add plug-in variants to all of its "core-brand models," though specifics and timing are unclear. BMW Group Media information 1. BMW Group Innovation Days 2014: New drive technologies. (Introduction) The recently launched BMW i3 and BMW i8 are the first zero-emission vehicles in the premium segment, being designed respectively as dedicated all-electric and plug-in hybrid models. Their BMW eDrive technology promotes hallmark brand driving pleasure, while at the same time delivering major reductions in fuel consumption and CO2 emissions – all the way to zero tailpipe emissions when operating in all-electric mode. This is BMW Efficient Dynamics taken to its logical conclusion. For more than 15 years, the Efficient Dynamics strategy has inspired and shaped the development of new models across all the BMW Group brands, resulting in the development of highly efficient vehicles that combine dynamic performance with intelligent energy management. Today, thanks to Efficient Dynamics, the BMW and MINI brands offer premium models that set benchmarks in their respective segments in terms of their exceptional balance of performance and fuel economy.

2014 BMW X5 doesn't upset the formula

BMW has unveiled the 2014 X5, and fans of the company's CUV will find plenty familiar in the machine. The biggest change to the recipe comes in the form of the X5 sDrive35i, which is the first rear-wheel drive version of the high-riding five-door to date. Buyers will, of course, continue to be able to opt for all-wheel drive, and both models will get their thrust from a 3.0-liter, turbocharged inline six-cylinder engine. That powerplant makes 300 horsepower and 300 pound-feet of torque and is mated to an eight-speed automatic transmission. BMW says the combination is good enough to get the SUV to 60 miles per hour in around 6.2 seconds.
Those who require more thrust can step up to the more potent X5 xDrive50i with its twin-turbo 4.4-liter V8 engine. Drivers get to enjoy an extra 45 hp over the previous model, with final output up to 445 hp and 480 lb-ft of torque. Paired with an eight-speed automatic of its own, the engine can hustle the big X5 to 60 mph in 4.9 seconds.
The 2014 BMW xDrive35d continues to offer diesel power, though output has dropped 10 horsepower to 255 hp and 413 lb-ft of torque. Even so, BMW says the X5 diesel will be just as quick or quicker than the 2013 model. You can check out the full press release below for more information.