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Autoblog Podcast #396

Episode #396 of the Autoblog Podcast is here, and this week, Dan Roth, Steven Ewing, and Chris Paukert talk about the 2016 Mazda MX-5 Miata, the 2016 Jaguar XE, and the 2015 Lexus RC. We start with what's in the garage and finish up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the rundown below with times for topics, and you can follow along down below with our Q&A. Thanks for listening!
Autoblog Podcast #396:
Topics:

2017 Jaguar XE 20d Quick Spin

Base models rarely get their due in the press. Big-engine, high-horsepower variants get all the headlines, but the junior version is what sells in volume. We're just as guilty here at Autoblog, with both a first and second drive of the Jaguar XE in supercharged V6 guise, and barely a mention of the entry-level, 2.0-liter diesel. So, in Perd Hapley style, the Jaguar XE diesel is the model of the Jaguar XE we're going to discuss. Yes, the volume model of the Jaguar XE is a diesel, at least for now. A turbocharged 2.0-liter gas engine, wearing the 25t badge, will arrive after the XE's early 2016 on-sale date. Oil-burners and volume are not a thing in the United States, except for heavy-duty pickup trucks. Despite that apparent contradiction, the XE 20d could find some converts. Driving Notes The biggest clue to the engine's fuel source is the tachometer, which only counts to 6,000. But you wouldn't know from the fast throttle response or the way revs climb when you mash the accelerator. All 180 peak horsepower come at 4,000 rpm, and the 317 pound-feet of torque are available from 1750 to 2500 rpm. Really, this engine is smooth. Credit the low 15.1:1 compression ratio, which also helps make the engine's aluminum construction possible. The surge of power from the turbo builds steadily instead of kicking in all at once. Jaguar's engineers focused on friction reduction with a fanatical devotion, all in the name of efficiency. One key feature is the offset crankshaft. That is, the crankshaft is located to the side of the cylinder centerline. This reduces the side load forces during the firing cycle. In the manual transmission the gears are cupped to reduce mass. A pump sprays oil directly on the cogs, which cuts back on the total amount of fluid and cuts back on friction loss due to windage. No, the manual transmission isn't coming to the US. And yes, it's really good. Not just in the cliche journalist love for the diesel-manual combo, but objectively good. That smooth responsive nature of the engine is amplified when you get to choose your own gears. So we make due with the eight-speed automatic, the 8HP45 version of the ubiquious ZF box. The coolest trick here is a pendulum-style damper in the torque converter instead of a typical spring damper. When the torque converter is locked up this cuts down on torsional vibration between the engine and transmission. And that enables low-rpm cruising and higher mpg.

How and why Jaguar designed an electric SUV

Adrian Belew, front man of famed progressive rock band King Crimson and collaborator with Bowie, Zappa, and the Talking Heads, released a prescient song in 1982, but we didn't know exactly how prophetic it was until this week. The song was titled Big Electric Cat, and its lyrics seemed to predict nearly 35 years ago the unveiling of Jaguar's first all-electric vehicle, a production-ready crossover concept with the not-so-ingenious name, I-Pace. She arrives like a limo/Smooth and moving/On the prowl through the crowd/To the beat of the city/She glows in the dark/Wherever she parks/Concrete crumbles and the night rumbles. At first glimpse of the I-Pace, you may not have precisely the same feeling of disintegration as the roadbed Belew mentions, but there is no denying that the new Jag is important for the brand. Flush with investment from its corporate overlords at Tata, the company is on its most robust product offensive ever, rounding out its lineup to become a full-range manufacturer, investing in autonomous driving and projective head-up technologies, nearly doubling global sales, and now going electric. "This is probably the most important car since the E-Type, I really mean that," says Jaguar director of design Ian Callum. "And when we get this car out into production and it gains recognition and popularity, I think history will show it's a significant step for the brand. Not only because we're embracing the future, quite openly and honestly, but because we're going to beat the rest of them. Tesla is there already, but none of the rest." As a challenger brand – one not in the top of mind consideration set like rivals at Mercedes, Audi, or Lexus – Jaguars are made or broken on this kind of differentiation. The I-Pace is certainly distinctive, and looks like nothing else on the road. Like many contemporary Jaguars, its rear three-quarter view is its most compelling, with the slender half-round taillights inspired by the legendary E-Type that were first revived on the F-Type and have since become a signature. But here, the rear end is shaved off and in an angular concavity that seems an effort to take as much mass as possible out of the back, and one that echoes elsewhere on the vehicle: in the scalloped sides, in the continuous path of glass from the base of the front windshield to (almost) the base of the rear liftgate. But especially in the foreshortened and deep-nostriled hood.