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Jaguar XE promises to net 'over 75 mpg,' just not for us [w/video]

With around a month away from its world debut on September 8, Jaguar continues to issue a constant drip of updates about its upcoming XE compact luxury sedan that's aiming to take on the BMW 3 Series and Audi A4. Where the company's last bit of info focused on the car's suspension setup, this time Jag's putting the spotlight on the new model's modular platform and making some big promises about it, too. How big? Try over 75 miles per gallon big.
That's the headline figure that Jaguar is claiming for its new sedan, but it's keeping mum on just what powertrain will realize that figure. Furthermore, that result is on the European test cycle, which is more lenient than America's EPA testing regime. In any case, when the XE hits the road, Jag says it will be the most efficient vehicle from the company, ever.
That's thanks in no small part to the aluminum-intensive monocoque chassis underpinning the sedan. It's constructed from a new grade of the lightweight metal called RC 5754 that uses a high portion of recycled material. "The Jaguar XE body uses over 75-percent aluminum content, which far exceeds any other car in its class. This gives us a body structure with unrivaled low weight: it's light but also immensely strong with extremely high levels of torsional stiffness," said Dr. Mark White, Jaguar Chief Technical Specialist; Body Complete.

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.

Jaguar E-Type with Supra's 2JZ debuts at SEMA looking fly and fast

We hope you’re not bored of seeing Toyota 2JZ engine-swapped cars, because this one sure does capture our attention. The 1969 Jaguar XKE 2+2 youÂ’re looking at here is unlike any E-Type youÂ’ve seen before, and while it still has a straight-six under the hood, pretty much everything else about the coupe has fundamentally changed. In a nod to just how beautiful the E-Type is to begin with, its design is only different in this Eneos build because it needs to be. Fender flares were designed and 3D-printed by Illumasthetic, and they were then strengthened with carbon fiber. Why did it need the flares? Well, thatÂ’s because the 2JZ-GTE 3.0-liter turbocharged inline-six from the Supra produces far more power than the E-Type ever did, requiring a lot more rubber to keep things straight. Of course, the Supra engine isnÂ’t stock, as itÂ’s been modified with Deatschwerks injectors, a Nuke Performance fuel system, CP-Carillo pistons and rods, a Borg Warner EFR 8474 turbo, Vibrant Performance intercooler Â… the list goes on forever. Output is estimated at about 750 horsepower. The Frankenstein theme continues with the E60 generation 535i rear subframe suspension and differential out back. Meanwhile, it uses the five-speed manual transmission from an E36 generation M3. The front suspension is custom, and while BMW brakes are used in the rear, Eneos chose brakes off a 2003 Chevy Corvette up front. The 17-inch Rotiform STL wheels are wrapped with Bridgestone Potenza RE-71 RS tires. Inside, this Jag-yota gets a full roll-cage, Tillett seats, an OMP steering wheel and a whole lot more. Eneos credits Faruk Kugay as the carÂ’s builder – Kugay previously built some rather creative cars, like a 997 Porsche 911 GT3 with a Subaru Impreza STI EJ25 engine and an E30 BMW 3 Series with a Honda S2000Â’s 2.0L engine. This Jaguar takes the wild engine swaps and engineering to totally new heights, though, and we canÂ’t help but simply love the way itÂ’s been executed. Related Video