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Jaguar I-Pace EV has a new pedestrian warning sound: Listen to it here

Jaguar's production of its first electric car means it also has to deal with a problem everybody else has been trying to solve: noise, or rather, the lack thereof. People can hear an engine at low speeds when they're walking along a sidewalk. The same can't be said for silent-operating electric cars. We wrote about Chevrolet's latest solution to the noise problem a few weeks back, and now Jaguar is sharing what it came up with for the I-Pace. The noise it didn't use is almost more interesting than the one it did, though. Jag says its first iteration was meant to be spacecraft/UFO inspired, but apparently it was so convincing that people tended to look up at the sky instead of at the road. Engineers switched it to what seems like a pretty general hum sound for production. Take a listen yourself in the video above — you'll hear the noise at the 40-second mark, and a few other spots after that. The sound is emitted from a speaker behind the grille at speeds up to about 12 mph. It'll change in pitch and volume to correspond to the increasing or decreasing speed of the vehicle — it even changes tone when you shift into reverse to signal a change in direction. Jaguar says the noise is no longer needed at speeds above 12 mph because tire and wind noise become sufficient enough at that speed. Chevy turns the noise off on the Volt at about 20 mph, however, showing that manufacturers haven't really come to a consensus on what should be happening. A U.S. law that hasn't gone into effect yet will ask manufacturers to keep the noise at up to 18.6 mph, though. We happen to be partial to the jaguar growl heard right at the end of the video as a warning sound. That's how you make an entrance with a Jaguar. These kinds of systems are necessary to warn those who might be blind or visually impaired, but distracted walkers are a huge demographic of people needing a warning too. Everybody walks around with their head buried in a phone nowadays, making silent vehicles a hazard of our own habits. Jaguar says it specifically engineered the noise so that it doesn't intrude upon the cabin, so only pedestrians are bothered by the hum when slowly plodding through cities. Jaguar I-Pace pedestrian warning sound View 10 Photos Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Green Jaguar Green Driving Technology Crossover SUV Electric Luxury pedestrian safety jaguar i-pace

Jaguar XFR-S pitted against Mercedes E63 AMG

It was Steve Sutcliffe at Autocar who got the tough job of comparing the Mercedes-Benz E63 AMG to the limited edition Jaguar XFR-S on the track and sheep-strewn British B-roads. In UK spec both Mephistophelean sedans wrangle the same 542 horsepower, but step out of the corral and things look to weigh heavily in the Mercedes' favor: it has more torque, it's lighter, it's quicker from 0-to-60 and it's less expensive.
But that's on paper. Sutcliffe was given the job to see what effect all those letters and numbers had on the real-world driving experience. One of them is "an absolute hoot at the track" with great steering and weight management, one is "magnificent." To find out which is which, watch the video below.

Road & Track names its 2013 Performance Car of the Year

Road & Track recently staged its first annual Performance Car of the Year test, pitting 13 new and updated performance cars against each other on track, then graduating the top six to a road test before picking a winner. Additionally, the magazine staff picked the best automobiles of the year in eight categories.
But first, let's cover the PCotY segment. Here's the list of cars brought to the comparison test: Audi R8 V10 Plus; BMW 435i; BMW M6 Competition Package; Chevrolet Corvette Stingray Z51; Ferrari F12 Berlinetta; Ford Fiesta ST; Jaguar F-Type V8 S; Jaguar XFR-S; Mercedes-Benz E63 AMG S-Model Wagon; Mercedes-Benz SLS AMG Black Series; Mini John Cooper Works GP; Nissan GT-R Track Edition; and Porsche Cayman S.
To find out the results of the comparison, head over to Road & Track's website or check the press release below, where you'll also find the magazine's top-rated vehicles in eight categories. Want more? Head over to the 2013 PCotY hub. But before you do that, take a stab at guessing the winner of PCotY (we'll give you one hint: it isn't a Porsche).